{"id":87803,"date":"2026-07-30T22:33:26","date_gmt":"2026-07-30T14:33:26","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/87803.html"},"modified":"2026-07-30T22:33:26","modified_gmt":"2026-07-30T14:33:26","slug":"%e5%bd%ad%e4%ba%8e%e6%99%8f%e4%b8%80%e4%b8%aa%e6%9c%88%e5%b8%a6%e4%bd%a0%e7%8e%a9%e8%bd%aclinux%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/87803.html","title":{"rendered":"\u5f6d\u4e8e\u664f\u4e00\u4e2a\u6708\u5e26\u4f60\u73a9\u8f6cLinux\u64cd\u4f5c\u7cfb\u7edf5"},"content":{"rendered":"<h2>Linux \u8fdb\u7a0b\u7ba1\u7406<\/h2>\n<h3>\u8fdb\u7a0b\u4ecb\u7ecd<\/h3>\n<p>\u8865\u5145&#xff1a;<\/p>\n<ul>\n<li>\u7a0b\u5e8f&#xff1a;\u6ca1\u6709\u8fd0\u884c\u7684\u53ef\u6267\u884c\u6587\u4ef6\u3002<\/li>\n<li>\u8f6f\u4ef6&#xff1a;\u5305\u542b\u7a0b\u5e8f\u3001\u624b\u518c\u3001\u914d\u7f6e\u6587\u4ef6\u7b49\u5168\u5957\u7684\u4e1c\u897f\u3002\u8f6f\u4ef6\u5de5\u7a0b\u3002<\/li>\n<li>\u8fdb\u7a0b&#xff1a;\u7a0b\u5e8f\u8fd0\u884c\u540e&#xff0c;\u4f1a\u4f7f\u7528cpu\u3001\u5185\u5b58\u3001\u78c1\u76d8\u3001\u7f51\u7edc\u7b49\u8d44\u6e90\u3002<\/li>\n<li>\u7ebf\u7a0b&#xff1a;\u5c06\u7a0b\u5e8f\u5212\u5206\u6210\u66f4\u5c0f\u7684\u6267\u884c\u5355\u5143\u3002<\/li>\n<\/ul>\n<h4>\u8fdb\u7a0b\u662f\u4ec0\u4e48<\/h4>\n<p>\u8fdb\u7a0b\u662f\u5df2\u542f\u52a8\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u7684\u8fd0\u884c\u4e2d\u5b9e\u4f8b\u3002<\/p>\n<p>\u8fdb\u7a0b\u7531\u4ee5\u4e0b\u7ec4\u6210\u90e8\u5206&#xff1a;<\/p>\n<ul>\n<li>\u5df2\u5206\u914d\u5185\u5b58\u7684\u5730\u5740\u7a7a\u95f4<\/li>\n<li>\u5b89\u5168\u5c5e\u6027&#xff0c;\u5305\u62ec\u6240\u6709\u6743\u51ed\u636e\u548c\u7279\u6743<\/li>\n<li>\u7a0b\u5e8f\u4ee3\u7801\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u6267\u884c\u7ebf\u7a0b<\/li>\n<li>\u8fdb\u7a0b\u72b6\u6001<\/li>\n<\/ul>\n<p>\u8fdb\u7a0b\u7684\u73af\u5883\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u672c\u5730\u548c\u5168\u5c40\u53d8\u91cf<\/li>\n<li>\u5f53\u524d\u8c03\u5ea6\u4e0a\u4e0b\u6587<\/li>\n<li>\u5206\u914d\u7684\u7cfb\u7edf\u8d44\u6e90&#xff0c;\u5982\u6587\u4ef6\u63cf\u8ff0\u7b26\u548c\u7f51\u7edc\u7aef\u53e3<\/li>\n<\/ul>\n<h4>\u8fdb\u7a0b\u4ea7\u751f-fork<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260730143322-6a6b60b2879e0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><span class=\"token comment\"># \u5f53\u524dbash\u4e2d\u6267\u884csleep&#xff0c;\u6b64\u65f6\u7684sleep\u8fdb\u7a0b\u5c31\u662f\u901a\u8fc7fork\u4ea7\u751f<\/span><br \/>\n<span class=\"token comment\"># sleep\u8fdb\u7a0b\u662fbash\u8fdb\u7a0b\u7684\u5b50\u8fdb\u7a0b<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">sleep<\/span> <span class=\"token number\">5<\/span><\/p>\n<h4>\u8fdb\u7a0b\u72b6\u6001<\/h4>\n<p>\u8865\u5145&#xff1a;\u64cd\u4f5c\u7cfb\u7edf\u4e3b\u8981\u804c\u8d23\u3002<\/p>\n<li>\u4efb\u52a1\u7ba1\u7406<\/li>\n<li>\u8bbe\u5907\u7ba1\u7406<\/li>\n<li>\u6587\u4ef6\u7cfb\u7edf<\/li>\n<li>\u5185\u5b58\u7ba1\u7406<\/li>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260730143323-6a6b60b31331b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260730143323-6a6b60b36755e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260730143323-6a6b60b3b6738.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>\u67e5\u770b\u8fdb\u7a0b-ps<\/h4>\n<p>**\u4f5c\u7528&#xff1a;**\u67e5\u770b\u7cfb\u7edf\u4e2d\u8fdb\u7a0b\u4fe1\u606f<\/p>\n<p>\u8bed\u6cd5&#xff1a;ps [\u9009\u9879]<\/p>\n<p>ps \u547d\u4ee4\u9009\u9879\u5206\u4e3a\u4e24\u7c7b&#xff1a;<\/p>\n<ul>\n<li>\u9650\u5b9a\u67e5\u770b\u54ea\u4e9b\u8fdb\u7a0b&#xff0c;\u7528\u6765\u9009\u62e9\u8fdb\u7a0b\u3002<\/li>\n<li>\u5bf9\u9009\u5b9a\u7684\u8fdb\u7a0b\u67e5\u770b\u4ed6\u4eec\u54ea\u4e9b\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<p>\u652f\u6301\u4e09\u79cd\u7248\u672c\u9009\u9879&#xff1a;<\/p>\n<ul>\n<li>UNIX&#xff0c;\u4f7f\u7528\u5355\u4e2a &#8211;<\/li>\n<li>GNU&#xff0c;\u4f7f\u7528\u4e24\u4e2a &#8212;<\/li>\n<li>BSD&#xff0c;\u4e0d\u4f7f\u7528 &#8211;<\/li>\n<\/ul>\n<p>\u5e38\u7528\u547d\u4ee4&#xff1a;<\/p>\n<table>\n<tr>\u547d\u4ee4\u4f5c\u7528\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">ps aux<\/td>\n<td align=\"center\">\u663e\u793a\u6240\u6709\u8fdb\u7a0b\u7684\u8be6\u7ec6\u4fe1\u606f<\/td>\n<td align=\"center\">\u6700\u5e38\u7528&#xff0c;\u770b\u6240\u6709\u8fdb\u7a0b\u7684\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">ps -ef<\/td>\n<td align=\"center\">\u663e\u793a\u6240\u6709\u8fdb\u7a0b\u7684\u5b8c\u6574\u683c\u5f0f<\/td>\n<td align=\"center\">\u67e5\u770b\u8fdb\u7a0b\u7684\u7236\u8fdb\u7a0bID&#xff08;PPID&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">ps -eo<\/td>\n<td align=\"center\">\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f<\/td>\n<td align=\"center\">\u53ea\u770b\u4f60\u60f3\u770b\u7684\u5b57\u6bb5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5e38\u89c1\u9009\u9879&#xff1a;<\/p>\n<li>UNIX\u98ce\u683c<\/li>\n<table>\n<tr>-e\u663e\u793a\u6240\u6709\u8fdb\u7a0b<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">-f<\/td>\n<td align=\"center\">\u663e\u793a\u5b8c\u6574\u683c\u5f0f<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-u \u7528\u6237\u540d<\/td>\n<td align=\"center\">\u663e\u793a\u6307\u5b9a\u7528\u6237\u7684\u8fdb\u7a0b<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-p PID<\/td>\n<td align=\"center\">\u663e\u793a\u6307\u5b9aPID\u7684\u8fdb\u7a0b<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-o \u5b57\u6bb5\u5217\u8868<\/td>\n<td align=\"center\">\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u2013sort&#061;\u5b57\u6bb5<\/td>\n<td align=\"center\">\u6309\u6307\u5b9a\u5b57\u6bb5\u6392\u5e8f<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u2013forest<\/td>\n<td align=\"center\">\u4ee5\u6811\u5f62\u7ed3\u6784\u663e\u793a\u8fdb\u7a0b\u7236\u5b50\u5173\u7cfb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<li>BSD\u98ce\u683c<\/li>\n<table>\n<tr>a\u663e\u793a\u6240\u6709\u7ec8\u7aef<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">u<\/td>\n<td align=\"center\">\u663e\u793a\u8be6\u7ec6\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">x<\/td>\n<td align=\"center\">\u663e\u793a\u6ca1\u6709\u63a7\u5236\u7ec8\u7aef\u7684\u8fdb\u7a0b<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">f<\/td>\n<td align=\"center\">\u663e\u793a\u8fdb\u7a0b\u6811<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> <span class=\"token parameter variable\">-e<\/span><br \/>\n   PID TTY          TIME CMD<br \/>\n     <span class=\"token number\">1<\/span> ?        00:00:02 systemd<br \/>\n     <span class=\"token number\">2<\/span> ?        00:00:00 kthreadd<br \/>\n     <span class=\"token number\">4<\/span> ?        00:00:00 kworker\/0:0H<br \/>\n     <span class=\"token number\">6<\/span> ?        00:00:00 ksoftirqd\/0<br \/>\n<span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">..<\/span>.<br \/>\n<span class=\"token comment\"># PID&#xff0c;\u8fdb\u7a0bID<\/span><br \/>\n<span class=\"token comment\"># TTY&#xff0c;\u8fdb\u7a0b\u6240\u5728\u7ec8\u7aef<\/span><br \/>\n<span class=\"token comment\"># TIME&#xff0c;\u8fdb\u7a0b\u4f7f\u7528cpu\u7684\u6709\u6548\u65f6\u95f4&#xff0c;\u5e76\u4e0d\u662f\u7a0b\u5e8f\u7684\u8fd0\u884c\u65f6\u95f4\u3002<\/span><br \/>\n<span class=\"token comment\"># CMD&#xff0c;\u8fdb\u7a0b\u540d\u79f0<\/span><\/p>\n<p><span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> <span class=\"token parameter variable\">-ef<\/span> <span class=\"token operator\">|<\/span><span class=\"token function\">head<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">5<\/span><br \/>\n<span class=\"token environment constant\">UID<\/span>         PID   <span class=\"token environment constant\">PPID<\/span>  C STIME TTY          TIME CMD<br \/>\nroot          <span class=\"token number\">1<\/span>      <span class=\"token number\">0<\/span>  <span class=\"token number\">0<\/span> 08:45 ?        00:00:02 \/usr\/lib\/systemd\/systemd &#8211;switched-root <span class=\"token parameter variable\">&#8211;system<\/span> <span class=\"token parameter variable\">&#8211;deserialize<\/span> <span class=\"token number\">22<\/span><br \/>\nroot          <span class=\"token number\">2<\/span>      <span class=\"token number\">0<\/span>  <span class=\"token number\">0<\/span> 08:45 ?        00:00:00 <span class=\"token punctuation\">[<\/span>kthreadd<span class=\"token punctuation\">]<\/span><br \/>\nroot          <span class=\"token number\">4<\/span>      <span class=\"token number\">2<\/span>  <span class=\"token number\">0<\/span> 08:45 ?        00:00:00 <span class=\"token punctuation\">[<\/span>kworker\/0:0H<span class=\"token punctuation\">]<\/span><br \/>\nroot          <span class=\"token number\">6<\/span>      <span class=\"token number\">2<\/span>  <span class=\"token number\">0<\/span> 08:45 ?        00:00:00 <span class=\"token punctuation\">[<\/span>ksoftirqd\/0<span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token comment\"># UID&#xff0c;\u8fdb\u7a0b\u7684\u6267\u884c\u8005<\/span><br \/>\n<span class=\"token comment\"># PPID&#xff0c;\u8fdb\u7a0b\u7684\u7236\u8fdb\u7a0bID<\/span><br \/>\n<span class=\"token comment\"># C&#xff0c;\u8fdb\u7a0b\u6d88\u8017\u7684CPU\u767e\u5206\u6bd4<\/span><br \/>\n<span class=\"token comment\"># STIME&#xff0c;\u8fdb\u7a0b\u7684\u5f00\u59cb\u6267\u884c\u7684\u65f6\u523b<\/span><\/p>\n<p>\u67e5\u770b\u7279\u5b9a\u7528\u6237\u8fd0\u884c\u7684\u8fdb\u7a0b<\/p>\n<table>\n<tr>UNIX\u98ce\u683cps -u pengyuyan<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">BSD\u98ce\u683c<\/td>\n<td align=\"center\">ps u -U pengyuyan<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> <span class=\"token parameter variable\">-u<\/span> pengyuyan u<br \/>\n<span class=\"token environment constant\">USER<\/span>         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND<br \/>\npengyuyan       <span class=\"token number\">2810<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.2<\/span>  <span class=\"token number\">89844<\/span>  <span class=\"token number\">9912<\/span> ?        Ss   <span class=\"token number\">10<\/span>:16   <span class=\"token number\">0<\/span>:00 \/usr\/lib\/systemd\/systemd <span class=\"token parameter variable\">&#8211;user<\/span><br \/>\npengyuyan       <span class=\"token number\">2816<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.1<\/span> <span class=\"token number\">235408<\/span>  <span class=\"token number\">5332<\/span> ?        S    <span class=\"token number\">10<\/span>:16   <span class=\"token number\">0<\/span>:00 <span class=\"token punctuation\">(<\/span>sd-pam<span class=\"token punctuation\">)<\/span><br \/>\npengyuyan       <span class=\"token number\">2831<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.2<\/span> <span class=\"token number\">1038956<\/span> <span class=\"token number\">10400<\/span> ?       Ssl  <span class=\"token number\">10<\/span>:16   <span class=\"token number\">0<\/span>:00 \/usr\/bin\/pulseaudio <span class=\"token parameter variable\">&#8211;daemonize<\/span><span class=\"token operator\">&#061;<\/span>no &#8211;log-target<span class=\"token operator\">&#061;<\/span>journal<br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><\/p>\n<p>\u67e5\u770b\u7279\u5b9a\u7ec8\u7aef\u4e2d\u8fdb\u7a0b<\/p>\n<p><span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> <span class=\"token parameter variable\">-t<\/span> pts\/1 u<br \/>\n<span class=\"token environment constant\">USER<\/span>         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND<br \/>\npengyuyan       <span class=\"token number\">2843<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.1<\/span> <span class=\"token number\">226452<\/span>  <span class=\"token number\">5396<\/span> pts\/1    Ss   <span class=\"token number\">10<\/span>:16   <span class=\"token number\">0<\/span>:00 <span class=\"token parameter variable\">-bash<\/span><br \/>\npengyuyan       <span class=\"token number\">4233<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span> <span class=\"token number\">257508<\/span>  <span class=\"token number\">3952<\/span> pts\/1    R&#043;   <span class=\"token number\">10<\/span>:40   <span class=\"token number\">0<\/span>:00 <span class=\"token function\">ps<\/span> <span class=\"token parameter variable\">-t<\/span> pts\/1 u<\/p>\n<p>\u67e5\u770b\u6240\u6709\u8fdb\u7a0b<\/p>\n<p><span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> axu<br \/>\n<span class=\"token environment constant\">USER<\/span>         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND<br \/>\nroot           <span class=\"token number\">1<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.3<\/span> <span class=\"token number\">183984<\/span> <span class=\"token number\">14136<\/span> ?        Ss   08:55   <span class=\"token number\">0<\/span>:02 \/usr\/lib\/systemd\/systemd &#8211;switched-root <span class=\"token parameter variable\">&#8211;system<\/span> <span class=\"token parameter variable\">&#8211;deserialize<\/span> <span class=\"token number\">18<\/span><br \/>\nroot           <span class=\"token number\">2<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span>      <span class=\"token number\">0<\/span>     <span class=\"token number\">0<\/span> ?        S    08:55   <span class=\"token number\">0<\/span>:00 <span class=\"token punctuation\">[<\/span>kthreadd<span class=\"token punctuation\">]<\/span><br \/>\nroot           <span class=\"token number\">3<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span>      <span class=\"token number\">0<\/span>     <span class=\"token number\">0<\/span> ?        I<span class=\"token operator\">&lt;<\/span>   08:55   <span class=\"token number\">0<\/span>:00 <span class=\"token punctuation\">[<\/span>rcu_gp<span class=\"token punctuation\">]<\/span><br \/>\nroot           <span class=\"token number\">4<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span>      <span class=\"token number\">0<\/span>     <span class=\"token number\">0<\/span> ?        I<span class=\"token operator\">&lt;<\/span>   08:55   <span class=\"token number\">0<\/span>:00 <span class=\"token punctuation\">[<\/span>rcu_par_gp<span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">..<\/span>.<\/p>\n<p>\u67e5\u770b\u8fdb\u7a0b\u6811<\/p>\n<p><span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> axf<br \/>\n    PID TTY      STAT   TIME COMMAND<br \/>\n      <span class=\"token number\">2<\/span> ?        S      <span class=\"token number\">0<\/span>:00 <span class=\"token punctuation\">[<\/span>kthreadd<span class=\"token punctuation\">]<\/span><br \/>\n      <span class=\"token number\">3<\/span> ?        I<span class=\"token operator\">&lt;<\/span>     <span class=\"token number\">0<\/span>:00  <span class=\"token punctuation\">\\\\<\/span>_ <span class=\"token punctuation\">[<\/span>rcu_gp<span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><br \/>\n   <span class=\"token number\">1159<\/span> ?        Ss     <span class=\"token number\">0<\/span>:00 \/usr\/sbin\/sshd <span class=\"token parameter variable\">-D<\/span> <span class=\"token parameter variable\">-oCiphers<\/span><span class=\"token operator\">&#061;<\/span>aes256-gcm&#064;openssh.com,chacha20-poly1305&#064;op<br \/>\n   <span class=\"token number\">2033<\/span> ?        Ss     <span class=\"token number\">0<\/span>:00  <span class=\"token punctuation\">\\\\<\/span>_ sshd: root <span class=\"token punctuation\">[<\/span>priv<span class=\"token punctuation\">]<\/span><br \/>\n   <span class=\"token number\">2064<\/span> ?        S      <span class=\"token number\">0<\/span>:00  <span class=\"token operator\">|<\/span>   <span class=\"token punctuation\">\\\\<\/span>_ sshd: root&#064;pts\/0<br \/>\n   <span class=\"token number\">2075<\/span> pts\/0    Ss     <span class=\"token number\">0<\/span>:00  <span class=\"token operator\">|<\/span>       <span class=\"token punctuation\">\\\\<\/span>_ <span class=\"token parameter variable\">-bash<\/span><br \/>\n   <span class=\"token number\">2950<\/span> pts\/0    S&#043;     <span class=\"token number\">0<\/span>:00  <span class=\"token operator\">|<\/span>           <span class=\"token punctuation\">\\\\<\/span>_ <span class=\"token function\">man<\/span> <span class=\"token function\">ps<\/span><br \/>\n   <span class=\"token number\">2963<\/span> pts\/0    S&#043;     <span class=\"token number\">0<\/span>:00  <span class=\"token operator\">|<\/span>               <span class=\"token punctuation\">\\\\<\/span>_ <span class=\"token function\">less<\/span><br \/>\n   <span class=\"token number\">2800<\/span> ?        Ss     <span class=\"token number\">0<\/span>:00  <span class=\"token punctuation\">\\\\<\/span>_ sshd: pengyuyan <span class=\"token punctuation\">[<\/span>priv<span class=\"token punctuation\">]<\/span><br \/>\n   <span class=\"token number\">2833<\/span> ?        S      <span class=\"token number\">0<\/span>:00      <span class=\"token punctuation\">\\\\<\/span>_ sshd: pengyuyan&#064;pts\/1<br \/>\n   <span class=\"token number\">2843<\/span> pts\/1    Ss     <span class=\"token number\">0<\/span>:00          <span class=\"token punctuation\">\\\\<\/span>_ <span class=\"token parameter variable\">-bash<\/span><br \/>\n   <span class=\"token number\">4278<\/span> pts\/1    R&#043;     <span class=\"token number\">0<\/span>:00              <span class=\"token punctuation\">\\\\<\/span>_ <span class=\"token function\">ps<\/span> axf<br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><\/p>\n<p>\u67e5\u770b\u7279\u5b9a\u8fdb\u7a0b\u7279\u5b9a\u5c5e\u6027<\/p>\n<p><span class=\"token comment\"># \u901a\u8fc7PID\u9650\u5b9a<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> <span class=\"token parameter variable\">-o<\/span> pid,%cpu,%mem,command <span class=\"token number\">1159<\/span><br \/>\n    PID %CPU %MEM COMMAND<br \/>\n   <span class=\"token number\">1159<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.1<\/span> \/usr\/sbin\/sshd <span class=\"token parameter variable\">-D<\/span> <span class=\"token parameter variable\">-oCiphers<\/span><span class=\"token operator\">&#061;<\/span>aes256-gcm&#064;openssh.com,chacha20-poly1305&#064;openssh.com<span class=\"token punctuation\">..<\/span>.<\/p>\n<p><span class=\"token comment\"># \u901a\u8fc7\u547d\u4ee4\u540d\u79f0\u9650\u5b9a<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> <span class=\"token parameter variable\">-C<\/span> <span class=\"token function\">passwd<\/span> <span class=\"token parameter variable\">-o<\/span> pid,ruser,euser,command<br \/>\n    PID RUSER    EUSER    COMMAND<br \/>\n   <span class=\"token number\">4420<\/span> pengyuyan    root     <span class=\"token function\">passwd<\/span><\/p>\n<p>\u5bf9\u8fdb\u7a0b\u8fdb\u884c\u6392\u5e8f&#xff0c;&#8211;sort %cpu\u5347\u5e8f &#xff0c;&#8211;sort -%cpu\u964d\u5e8f<\/p>\n<p><span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> axu <span class=\"token parameter variable\">&#8211;sort<\/span> -%cpu<br \/>\n<span class=\"token environment constant\">USER<\/span>         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND<br \/>\nroot        <span class=\"token number\">1786<\/span>  <span class=\"token number\">0.4<\/span>  <span class=\"token number\">5.1<\/span> <span class=\"token number\">1092936<\/span> <span class=\"token number\">205568<\/span> ?      Ssl  08:55   <span class=\"token number\">0<\/span>:34 \/usr\/libexec\/packagekitd<br \/>\npengyuyan       <span class=\"token number\">3356<\/span>  <span class=\"token number\">0.3<\/span>  <span class=\"token number\">4.9<\/span> <span class=\"token number\">3042676<\/span> <span class=\"token number\">197256<\/span> tty2   Sl&#043;  <span class=\"token number\">10<\/span>:36   <span class=\"token number\">0<\/span>:03 \/usr\/bin\/gnome-shell<br \/>\nroot        <span class=\"token number\">1150<\/span>  <span class=\"token number\">0.1<\/span>  <span class=\"token number\">0.8<\/span> <span class=\"token number\">618372<\/span> <span class=\"token number\">32088<\/span> ?        Ssl  08:55   <span class=\"token number\">0<\/span>:12 \/usr\/libexec\/platform-python <span class=\"token parameter variable\">-Es<\/span> \/usr\/sbin\/tuned <span class=\"token parameter variable\">-l<\/span> <span class=\"token parameter variable\">-P<\/span><br \/>\npengyuyan       <span class=\"token number\">3728<\/span>  <span class=\"token number\">0.1<\/span>  <span class=\"token number\">2.7<\/span> <span class=\"token number\">1379632<\/span> <span class=\"token number\">109476<\/span> tty2   Sl&#043;  <span class=\"token number\">10<\/span>:36   <span class=\"token number\">0<\/span>:01 \/usr\/bin\/gnome-software &#8211;gapplication-service<br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><\/p>\n<h3>\u63a7\u5236 jobs<\/h3>\n<p>\u4f5c\u4e1a\u63a7\u5236\u5141\u8bb8\u5355\u4e2ashell\u5b9e\u4f8b\u8fd0\u884c\u548c\u7ba1\u7406\u591a\u4e2a\u547d\u4ee4\u3002<\/p>\n<ul>\n<li>\u524d\u53f0\u8fdb\u7a0b&#xff0c;\u4e00\u4e2a\u7ec8\u7aef\u4e2d\u53ea\u6709\u4e00\u4e2a\u524d\u53f0\u8fdb\u7a0b&#xff0c;\u8be5\u8fdb\u7a0b\u53ef\u4ee5\u7ec8\u7aef\u7a97\u53e3\u4e2d\u8bfb\u53d6\u8f93\u5165\u548c\u54cd\u5e94\u952e\u76d8\u751f\u6210\u7684\u4fe1\u53f7\u3002<\/li>\n<li>\u540e\u53f0\u8fdb\u7a0b&#xff0c;\u5728\u540e\u53f0\u8fd0\u884c\u7684\u8fdb\u7a0b&#xff0c;\u8be5\u8fdb\u7a0b\u4e0d\u80fd\u4ece\u7ec8\u7aef\u8bfb\u53d6\u8f93\u5165\u6216\u63a5\u6536\u952e\u76d8\u4ea7\u751f\u7684\u4e2d\u65ad\u3002\u540e\u53f0\u8fdb\u7a0b\u53ef\u80fd\u6682\u505c&#xff0c;\u4e5f\u53ef\u80fd\u6b63\u5728\u8fd0\u884c\u3002\u5982\u679c\u6b63\u5728\u8fd0\u884c\u7684\u540e\u53f0\u4f5c\u4e1a\u5c1d\u8bd5\u4ece\u7ec8\u7aef\u8bfb\u53d6&#xff0c;\u5b83\u5c06\u81ea\u52a8\u6682\u505c\u3002\u5728ps\u5217\u8868\u4e2d&#xff0c;tty\u7ec8\u7aef\u5217\u663e\u793a\u7684\u662f?\u53f7&#xff0c;\u90a3\u4e48\u8be5\u8fdb\u7a0b\u80af\u5b9a\u662f\u540e\u53f0\u8fdb\u7a0b&#xff0c;\u4f46\u5e76\u4ee3\u8868\u663e\u793a\u4e3a\u5176\u4ed6\u7ec8\u7aef\u7684\u8fdb\u7a0b\u5c31\u4e0d\u662f\u540e\u53f0\u8fdb\u7a0b\u3002<\/li>\n<\/ul>\n<p>\u76f8\u5173\u547d\u4ee4&#xff1a;<\/p>\n<li>\n<p>\u542f\u52a8\u540e\u53f0\u52a8\u4f5c&#xff1a;\u5728\u547d\u4ee4\u884c\u672b\u5c3e\u52a0 &amp;<\/p>\n<\/li>\n<li>\n<p>\u67e5\u770b\u5f53\u524d\u4f5c\u4e1a&#xff1a;jobs<\/p>\n<table>\n<tr>\u7b26\u53f7\u542b\u4e49<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">[1]<\/td>\n<td align=\"center\">\u4f5c\u4e1a\u53f7<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">&#8211;<\/td>\n<td align=\"center\">\u8be5\u4f5c\u4e1a\u662f&#034;\u5f53\u524d\u4f5c\u4e1a&#034;\u4e4b\u524d\u7684\u4e00\u4e2a<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">&#043;<\/td>\n<td align=\"center\">\u8be5\u4f5c\u4e1a\u662f&#034;\u5f53\u524d\u4f5c\u4e1a&#034;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">Running\/Stopped<\/td>\n<td align=\"center\">\u4f5c\u4e1a\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">&amp;<\/td>\n<td align=\"center\">\u8868\u793a\u5728\u540e\u53f0\u8fd0\u884c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<li>\n<p>\u628a\u540e\u53f0\u4f5c\u4e1a\u8c03\u56de\u524d\u53f0&#xff1a;fg<\/p>\n<p>1\u00b0\u628a\u6700\u8fd1\u4e00\u4e2a\u540e\u53f0\u4f5c\u4e1a\u8c03\u56de\u524d\u53f0<\/p>\n<p>\u200b fg<\/p>\n<p>2\u00b0\u628a\u6307\u5b9a\u4f5c\u4e1a\u53f7\u8c03\u5230\u524d\u53f0<\/p>\n<p>\u200b fg %1<\/p>\n<\/li>\n<li>\n<p>\u6682\u505c\u524d\u53f0\u4f5c\u4e1a\u5e76\u8f6c\u5165\u540e\u53f0&#xff1a;CTRL&#043;Z<\/p>\n<\/li>\n<li>\n<p>\u8ba9\u6682\u505c\u7684\u4f5c\u4e1a\u7ee7\u7eed\u5728\u540e\u53f0\u8fd0\u884c&#xff1a;bg<\/p>\n<p>1\u00b0\u8ba9\u6700\u8fd1\u4e00\u4e2a\u6682\u505c\u7684\u4f5c\u4e1a\u5728\u540e\u53f0\u7ee7\u7eed\u8fd0\u884c<\/p>\n<p>\u200b bg<\/p>\n<p>2\u00b0\u8ba9\u6307\u5b9a\u4f5c\u4e1a\u5728\u540e\u53f0\u7ee7\u7eed\u8fd0\u884c<\/p>\n<p>\u200b bg %1<\/p>\n<\/li>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u51c6\u5907\u811a\u672c<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># cat &lt;&lt; &#039;EOF&#039; &gt; \/usr\/local\/bin\/study<\/span><br \/>\n<span class=\"token comment\">#!\/bin\/bash<\/span><br \/>\n<span class=\"token keyword\">while<\/span> <span class=\"token boolean\">true<\/span><br \/>\n<span class=\"token keyword\">do<\/span><br \/>\n  <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span><span class=\"token variable\">)<\/span><\/span>: I&#039;m studying [ <span class=\"token variable\">$&#064;<\/span> ]&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> study.log<br \/>\n  <span class=\"token function\">sleep<\/span> <span class=\"token number\">1<\/span><br \/>\n<span class=\"token keyword\">done<\/span><br \/>\nEOF<br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># chmod &#043;x \/usr\/local\/bin\/study<\/span><\/p>\n<p><span class=\"token comment\"># \u4efb\u4f55\u4e00\u4e2a\u8fdb\u7a0b\u90fd\u53ef\u4ee5\u5728\u540e\u53f0\u542f\u52a8&#xff0c;\u901a\u8fc7\u589e\u52a0\u4e00\u4e2a&amp;\u7b26\u53f7\u3002<\/span><br \/>\n<span class=\"token comment\"># bash\u4f1a\u663e\u793ajob\u53f7\u548c\u8fdb\u7a0b\u7684PID\u3002shell\u4e0d\u9700\u8981\u7b49\u5f85\u5b50\u8fdb\u7a0b\u8fd0\u884c\u7ed3\u675f&#xff0c;\u800c\u53ef\u4ee5\u7ee7\u7eed\u8fd0\u884c\u5176\u4ed6\u547d\u4ee4\u3002<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ study Linux <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">67307<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">jobs<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u8fd0\u884c\u4e2d               study Linux <span class=\"token operator\">&amp;<\/span><\/p>\n<p><span class=\"token comment\"># \u65b0\u5f00\u7a97\u53e3\u52a8\u6001\u76d1\u63a7\u6587\u4ef6study.log\u5185\u5bb9<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">tail<\/span> <span class=\"token parameter variable\">-f<\/span> study.log<\/p>\n<p><span class=\"token comment\"># \u4ee5\u524d\u53f0\u65b9\u5f0f\u8fd0\u884c<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ study Python<\/p>\n<p><span class=\"token comment\"># ctrl&#043;Z \u6682\u505c\u524d\u53f0\u8fdb\u7a0b<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ study Python<br \/>\n^Z<br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u5df2\u505c\u6b62               study Python<br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">jobs<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>&#8211;  \u8fd0\u884c\u4e2d               study Linux <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u5df2\u505c\u6b62               study Python<\/p>\n<p><span class=\"token comment\"># \u5c06job2\u653e\u5230\u540e\u53f0\u8fd0\u884c<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">bg<\/span> %2<br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span>&#043; study Python <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">jobs<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>&#8211;  \u8fd0\u884c\u4e2d               study Linux <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u8fd0\u884c\u4e2d               study Python <span class=\"token operator\">&amp;<\/span><\/p>\n<p><span class=\"token comment\"># \u4ee5\u540e\u53f0\u65b9\u5f0f\u8fd0\u884c<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ study MySQL <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">67745<\/span><\/p>\n<p>\u6e05\u7406\u5b9e\u9a8c&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u524d\u53f0\u8fd0\u884c\u7684\u8fdb\u7a0b&#xff0c;\u6309ctrl&#043;c\u7ec8\u6b62\u8fdb\u7a0b\u8fd0\u884c<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">fg<\/span> %1<br \/>\nstudy Linux<br \/>\n^C<\/p>\n<p><span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">fg<\/span> %2<br \/>\nstudy Python<br \/>\n^C<\/p>\n<p><span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">fg<\/span> %3<br \/>\nstudy MySQL<br \/>\n^C<\/p>\n<p><span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">jobs<\/span><\/p>\n<p>\u601d\u8003&#xff1a; passwd\u547d\u4ee4\u662f\u5426\u5728\u540e\u53f0\u8fd0\u884c&#xff1f;<\/p>\n<p>\u7b54&#xff1a;\u9700\u8981\u4ea4\u4e92\u7684\u8fdb\u7a0b\u662f\u65e0\u6cd5\u5728\u540e\u53f0\u8fd0\u884c\u7684\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">passwd<\/span> <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">3135<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ \u66f4\u6539\u7528\u6237 pengyuyan \u7684\u5bc6\u7801 \u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u5df2\u505c\u6b62               <span class=\"token function\">passwd<\/span><\/p>\n<p>\u601d\u8003&#xff1a;\u5982\u4f55\u907f\u514d\u610f\u5916\u65ad\u7f51\u548c\u5173\u95ed\u7ec8\u7aef&#xff0c;\u5bfc\u81f4\u7ec8\u7aef\u4e2d\u540e\u53f0\u8fd0\u884c\u7684\u8fdb\u7a0b\u7ec8\u6b62&#xff1f;<\/p>\n<p>\u4f8b\u5982&#xff1a;\u670d\u52a1\u5668\u5728\u56fd\u5916&#xff0c;\u7ed9\u670d\u52a1\u5668\u6253\u8865\u4e01\u5305&#xff0c;\u6253\u8865\u4e01\u5927\u6982\u9700\u89812\u4e2a\u5c0f\u65f6\u3002<\/p>\n<p>\u65b9\u6cd5\u4e00&#xff1a;nohub commnad &amp;<\/p>\n<p><span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">nohup<\/span> study English <span class=\"token operator\">&amp;<\/span><\/p>\n<p>nohup \u547d\u4ee4<\/p>\n<p>**\u4f5c\u7528&#xff1a;**\u8ba9\u8fdb\u7a0b\u5728\u540e\u53f0\u8fd0\u884c&#xff0c;\u5e76\u4e14\u4e0d\u53d7\u7ec8\u7aef\u5173\u95ed\u5f71\u54cd<\/p>\n<p>**\u8bed\u6cd5&#xff1a;**nohup \u547d\u4ee4 [\u53c2\u6570] &amp;<\/p>\n<p>\u9ed8\u8ba4\u884c\u4e3a&#xff1a;<\/p>\n<table>\n<tr>\u8f93\u51fa\u91cd\u5b9a\u5411\u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;nohup\u4f1a\u628a\u8f93\u51fa&#xff08;stdout\u548cstderr&#xff09;\u8ffd\u52a0\u5230\u5f53\u524d\u76ee\u5f55\u7684nohup.out\u6587\u4ef6\u4e2d&#xff0c;\u5982\u679c\u5f53\u524d\u76ee\u5f55\u4e0d\u53ef\u5199&#xff0c;\u5219\u5199\u5165\u7528\u6237\u5bb6\u76ee\u5f55\u7684nohuo.out<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">\u540e\u53f0\u8fd0\u884c<\/td>\n<td align=\"center\">\u901a\u5e38\u914d\u5408&amp;\u4f7f\u7528&#xff0c;\u8ba9\u8fdb\u7a0b\u5728\u540e\u53f0\u8fd0\u884c&#xff0c;\u91ca\u653e\u7ec8\u7aef<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u67e5\u770bnohup\u542f\u52a8\u7684\u8fdb\u7a0b&#xff1a;<\/p>\n<p>\u200b jobs -l<\/p>\n<p>\u200b ps aux | grep script.sh<\/p>\n<p>\u7ec8\u6b62nohup\u542f\u52a8\u7684\u8fdb\u7a0b&#xff1a;<\/p>\n<p>\u200b ps aux | grep script.sh<\/p>\n<p>\u200b kill -15 PID\u6216\u5f3a\u884c\u7ec8\u6b62(kill -9 PID)<\/p>\n<hr \/>\n<p>\u65b9\u6cd5\u4e8c&#xff1a;screen<\/p>\n<p><span class=\"token comment\"># \u5148\u914d\u7f6eepel\u4ed3\u5e93<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># curl -s -o \/etc\/yum.repos.d\/epel.repo http:\/\/mirrors.aliyun.com\/repo\/epel-7.repo<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install -y screen<\/span><\/p>\n<p><span class=\"token comment\"># \u5f00\u542f\u4e00\u4e2ascreen<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">screen<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">sleep<\/span> <span class=\"token number\">1234<\/span><\/p>\n<p><span class=\"token comment\"># \u518d\u542f\u52a8\u4e00\u4e2a\u7ec8\u7aef&#xff0c;\u67e5\u770bscreen<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">screen<\/span> <span class=\"token parameter variable\">-ls<\/span><br \/>\nThere is a <span class=\"token function\">screen<\/span> on:<br \/>\n        <span class=\"token number\">40398<\/span>.pts-7.centos7      <span class=\"token punctuation\">(<\/span>Attached<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token number\">1<\/span> Socket <span class=\"token keyword\">in<\/span> \/run\/screen\/S-pengyuyan.<\/p>\n<p><span class=\"token comment\"># \u6b64\u65f6\u5c06\u6267\u884csleep 1234 \u7684\u7ec8\u7aef\u5173\u6389<\/span><\/p>\n<p><span class=\"token comment\"># \u518d\u6b21\u67e5\u770bscreen<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">screen<\/span> <span class=\"token parameter variable\">-ls<\/span><br \/>\nThere is a <span class=\"token function\">screen<\/span> on:<br \/>\n        <span class=\"token number\">40398<\/span>.pts-7.centos7      <span class=\"token punctuation\">(<\/span>Detached<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token number\">1<\/span> Socket <span class=\"token keyword\">in<\/span> \/run\/screen\/S-pengyuyan.<\/p>\n<p><span class=\"token comment\"># \u5173\u8054\u5230\u65ad\u5f00\u7684screen<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">screen<\/span> <span class=\"token parameter variable\">-r<\/span> <span class=\"token number\">40398<\/span>.pts-7.centos7 <\/p>\n<p><span class=\"token comment\"># \u5173\u95edscreen\u4f1a\u8bdd \u65b9\u5f0f1&#xff1a;\u5728screen \u4f1a\u8bdd\u4e2d\u6267\u884c exit<\/span><\/p>\n<p><span class=\"token comment\"># \u5173\u95edscreen\u4f1a\u8bdd \u65b9\u5f0f2&#xff1a;\u5728screen \u4f1a\u8bdd\u5916\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4<\/span><br \/>\n<span class=\"token comment\"># \u793a\u4f8b&#xff1a;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">screen<\/span> <span class=\"token parameter variable\">-X<\/span> <span class=\"token parameter variable\">-S<\/span> <span class=\"token number\">40398<\/span>.pts-7.centos7 quit<\/p>\n<p><span class=\"token comment\"># \u5173\u95edscreen\u4f1a\u8bdd \u65b9\u5f0f3&#xff1a;\u4f7f\u7528 kill \u547d\u4ee4<\/span><br \/>\n<span class=\"token comment\"># 40398.pts-7.centos7\u4e2d\u768440398\u662fscreen\u8fdb\u7a0b\u7684pid<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">kill<\/span> <span class=\"token number\">40398<\/span><\/p>\n<p>screen\u547d\u4ee4<\/p>\n<p>**\u4f5c\u7528&#xff1a;**\u53ef\u4ee5\u5728\u4e00\u4e2a\u7ec8\u7aef\u7a97\u53e3\u4e2d\u521b\u5efa\u591a\u4e2a\u72ec\u7acb\u7684\u4f1a\u8bdd&#xff0c;\u5e76\u4e14\u5373\u4f7f\u4f60\u5173\u95ed\u7ec8\u7aef\u6216\u65ad\u5f00SSH\u8fde\u63a5&#xff0c;\u8fd9\u4e9b\u4f1a\u8bdd\u7684\u8fdb\u7a0b\u4efb\u7136\u4f1a\u7ee7\u7eed\u8fd0\u884c<\/p>\n<p>\u7528\u6cd5&#xff1a;<\/p>\n<li>\n<p>\u542f\u52a8\u4e00\u4e2a\u65b0screen\u4f1a\u8bdd<\/p>\n<p>screen -S mysession<\/p>\n<\/li>\n<li>\n<p>\u6267\u884c\u5f53\u524d\u76ee\u5f55\u4e0b\u7684\u4e00\u4e2ashell\u811a\u672c<\/p>\n<p>.\/long_task.sh<\/p>\n<\/li>\n<li>\n<p>\u6309CTRL&#043;A\u7136\u540e\u6309D\u6682\u65f6\u8131\u79bb\u4f1a\u8bdd&#xff0c;\u8fdb\u7a0b\u7ee7\u7eed\u8fd0\u884c<\/p>\n<\/li>\n<li>\n<p>\u91cd\u65b0\u8fde\u63a5\u5230\u8fd9\u4e2a\u4f1a\u8bdd<\/p>\n<p>screen -r mysession<\/p>\n<\/li>\n<li>\n<p>\u67e5\u770b\u6240\u6709screen\u4f1a\u8bdd\u7684\u65b9\u5f0f<\/p>\n<p>screen -ls<\/p>\n<\/li>\n<p>\u5173\u95edscreen\u4f1a\u8bdd\u7684\u65b9\u5f0f&#xff1a;<\/p>\n<li>\u5728screen\u4f1a\u8bdd\u4e2d\u6267\u884cexit<\/li>\n<li>\u5728screen\u4f1a\u8bdd\u5916\u6267\u884cscreen -X -S \u5b8c\u6574\u540d\u79f0&#xff08;PID&#043;\u4f1a\u8bdd\u540d\u79f0&#xff09;<\/li>\n<p>\u63d0\u793a&#xff1a;\u6bcf\u4e2a\u7528\u6237\u7ba1\u7406\u81ea\u5df1\u7684screen\u4f1a\u8bdd&#xff0c;root\u7528\u6237\u4e5f\u65e0\u6cd5\u770b\u5230\u5176\u4ed6\u7528\u6237screen\u6e05\u5355\u3002<\/p>\n<h3>\u7ed9\u8fdb\u7a0b\u53d1\u4fe1\u53f7<\/h3>\n<h4>\u4fe1\u53f7\u4ecb\u7ecd<\/h4>\n<p>signal \u662f\u4f20\u9012\u7ed9\u8fdb\u7a0b\u7684\u8f6f\u4e2d\u65ad\u3002<\/p>\n<p>\u751f\u6210\u4fe1\u53f7\u7684\u4e8b\u4ef6\u53ef\u4ee5\u662f\u9519\u8bef&#xff0c;\u5916\u90e8\u4e8b\u4ef6\u6216\u8005\u4f7f\u7528\u4fe1\u53f7\u53d1\u9001\u547d\u4ee4\u6216\u952e\u76d8\u5e8f\u5217\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260730143323-6a6b60b3f082d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>kill \u547d\u4ee4<\/h4>\n<p>\u4f5c\u7528&#xff1a;\u7ed9\u8fdb\u7a0b\u53d1\u4fe1\u53f7<\/p>\n<p>\u8bed\u6cd5&#xff1a;kill [\u9009\u9879] PID<\/p>\n<p>\u5e38\u7528\u4fe1\u53f7\u901f\u67e5\u8868&#xff1a;<\/p>\n<table>\n<tr>\u4fe1\u53f7\u7f16\u53f7\u4fe1\u53f7\u540d\u79f0\u4f5c\u7528<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">1<\/td>\n<td align=\"center\">HUP<\/td>\n<td align=\"center\">\u6302\u8d77&#xff0c;\u5e38\u7528\u4e8e\u91cd\u65b0\u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">2<\/td>\n<td align=\"center\">INT<\/td>\n<td align=\"center\">\u952e\u76d8\u4e2d\u65ad&#xff08;\u7b49\u4ef7\u4e8ectrl&#043;c&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">3<\/td>\n<td align=\"center\">QUIT<\/td>\n<td align=\"center\">\u9000\u51fa&#xff0c;\u5e76\u751f\u6210\u6838\u5fc3\u8f6c\u50a8&#xff08;\u7b49\u4ef7\u4e8ectrl&#043;\\\\&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">9<\/td>\n<td align=\"center\">KILL<\/td>\n<td align=\"center\">\u5f3a\u5236\u6740\u6b7b&#xff0c;\u65e0\u6cd5\u62e6\u622a<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">15<\/td>\n<td align=\"center\">TERM<\/td>\n<td align=\"center\">\u6b63\u5e38\u7ec8\u6b62&#xff08;\u9ed8\u8ba4\u4fe1\u53f7&#xff0c;\u63a8\u8350&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">18<\/td>\n<td align=\"center\">CONT<\/td>\n<td align=\"center\">\u7ee7\u7eed\u8fd0\u884c&#xff08;\u6062\u590d\u88ab\u6682\u505c\u7684\u8fdb\u7a0b&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">19<\/td>\n<td align=\"center\">STOP<\/td>\n<td align=\"center\">\u6682\u505c\u8fdb\u7a0b&#xff08;\u65e0\u6cd5\u88ab\u62e6\u622a&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">20<\/td>\n<td align=\"center\">TSTP<\/td>\n<td align=\"center\">\u952e\u76d8\u6682\u505c&#xff08;\u7b49\u4ef7\u4e8ectrl&#043;z&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5982\u4f55\u627e\u5230\u8981\u6740\u7684PID&#xff1f;<\/p>\n<p>ps aux | grep \u8fdb\u7a0b\u540d<\/p>\n<p><span class=\"token comment\"># \u51c6\u5907\u811a\u672c<\/span><br \/>\n<span class=\"token comment\"># \u51c6\u5907\u811a\u672c<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># cat &lt;&lt; &#039;EOF&#039; &gt; \/usr\/local\/bin\/study<\/span><br \/>\n<span class=\"token comment\">#!\/bin\/bash<\/span><br \/>\n<span class=\"token keyword\">while<\/span> <span class=\"token boolean\">true<\/span><br \/>\n<span class=\"token keyword\">do<\/span><br \/>\n  <span class=\"token builtin class-name\">echo<\/span> <span class=\"token string\">&#034;<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span><span class=\"token variable\">)<\/span><\/span>: I&#039;m studying [ <span class=\"token variable\">$&#064;<\/span> ]&#034;<\/span> <span class=\"token operator\">&gt;&gt;<\/span> study.log<br \/>\n  <span class=\"token function\">sleep<\/span> <span class=\"token number\">1<\/span><br \/>\n<span class=\"token keyword\">done<\/span><br \/>\nEOF<br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># chmod &#043;x \/usr\/local\/bin\/study<\/span><\/p>\n<p><span class=\"token comment\"># \u65b0\u5f00\u7a97\u53e3\u52a8\u6001\u76d1\u63a7\u6587\u4ef6study.log\u5185\u5bb9<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">tail<\/span> <span class=\"token parameter variable\">-f<\/span> study.log<\/p>\n<p><span class=\"token comment\"># \u521b\u5efa\u8fdb\u7a0b<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ study Linux <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">3340<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ study Python <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">3341<\/span><\/p>\n<p><span class=\"token comment\"># \u67e5\u770b\u4fe1\u53f7\u6e05\u5355<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">kill<\/span> <span class=\"token parameter variable\">-l<\/span><br \/>\n <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> SIGHUP <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> SIGINT <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span> SIGQUIT <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span> SIGILL <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span> SIGTRAP<br \/>\n <span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span> SIGABRT <span class=\"token number\">7<\/span><span class=\"token punctuation\">)<\/span> SIGBUS <span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span> SIGFPE <span class=\"token number\">9<\/span><span class=\"token punctuation\">)<\/span> SIGKILL<span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span> SIGUSR1<br \/>\n<span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span> SIGSEGV<span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span> SIGUSR2<span class=\"token number\">13<\/span><span class=\"token punctuation\">)<\/span> SIGPIPE<span class=\"token number\">14<\/span><span class=\"token punctuation\">)<\/span> SIGALRM<span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span> SIGTERM<br \/>\n<span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span> SIGSTKFLT<span class=\"token number\">17<\/span><span class=\"token punctuation\">)<\/span> SIGCHLD<span class=\"token number\">18<\/span><span class=\"token punctuation\">)<\/span> SIGCONT<span class=\"token number\">19<\/span><span class=\"token punctuation\">)<\/span> SIGSTOP<span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span> SIGTSTP<br \/>\n<span class=\"token number\">21<\/span><span class=\"token punctuation\">)<\/span> SIGTTIN<span class=\"token number\">22<\/span><span class=\"token punctuation\">)<\/span> SIGTTOU<span class=\"token number\">23<\/span><span class=\"token punctuation\">)<\/span> SIGURG<span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span> SIGXCPU<span class=\"token number\">25<\/span><span class=\"token punctuation\">)<\/span> SIGXFSZ<br \/>\n<span class=\"token number\">26<\/span><span class=\"token punctuation\">)<\/span> SIGVTALRM<span class=\"token number\">27<\/span><span class=\"token punctuation\">)<\/span> SIGPROF<span class=\"token number\">28<\/span><span class=\"token punctuation\">)<\/span> SIGWINCH<span class=\"token number\">29<\/span><span class=\"token punctuation\">)<\/span> SIGIO<span class=\"token number\">30<\/span><span class=\"token punctuation\">)<\/span> SIGPWR<br \/>\n<span class=\"token number\">31<\/span><span class=\"token punctuation\">)<\/span> SIGSYS<span class=\"token number\">34<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN<span class=\"token number\">35<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;1<span class=\"token number\">36<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;2<span class=\"token number\">37<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;3<br \/>\n<span class=\"token number\">38<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;4<span class=\"token number\">39<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;5<span class=\"token number\">40<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;6<span class=\"token number\">41<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;7<span class=\"token number\">42<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;8<br \/>\n<span class=\"token number\">43<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;9<span class=\"token number\">44<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;10<span class=\"token number\">45<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;11<span class=\"token number\">46<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;12<span class=\"token number\">47<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;13<br \/>\n<span class=\"token number\">48<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;14<span class=\"token number\">49<\/span><span class=\"token punctuation\">)<\/span> SIGRTMIN&#043;15<span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-14<span class=\"token number\">51<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-13<span class=\"token number\">52<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-12<br \/>\n<span class=\"token number\">53<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-11<span class=\"token number\">54<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-10<span class=\"token number\">55<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-9<span class=\"token number\">56<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-8<span class=\"token number\">57<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-7<br \/>\n<span class=\"token number\">58<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-6<span class=\"token number\">59<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-5<span class=\"token number\">60<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-4<span class=\"token number\">61<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-3<span class=\"token number\">62<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-2<br \/>\n<span class=\"token number\">63<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX-1<span class=\"token number\">64<\/span><span class=\"token punctuation\">)<\/span> SIGRTMAX<\/p>\n<p><span class=\"token comment\"># \u7ed9job id\u4e3a1\u7684\u8fdb\u7a0b\u53d119\u4fe1\u53f7&#xff0c;\u6682\u505c\u8fd0\u884c<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">kill<\/span> <span class=\"token parameter variable\">-19<\/span> %1<br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">jobs<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u5df2\u505c\u6b62               study Linux<br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span>&#8211;  \u8fd0\u884c\u4e2d               study Python <span class=\"token operator\">&amp;<\/span><\/p>\n<p><span class=\"token comment\"># \u7ed9job id\u4e3a1\u7684\u8fdb\u7a0b\u53d118\u4fe1\u53f7&#xff0c;\u7ee7\u7eed\u8fd0\u884c<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">kill<\/span> <span class=\"token parameter variable\">-18<\/span> %1<br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">jobs<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u8fd0\u884c\u4e2d               study Linux <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span>&#8211;  \u8fd0\u884c\u4e2d               study Python <span class=\"token operator\">&amp;<\/span><\/p>\n<p><span class=\"token comment\"># \u7ed9job id\u4e3a2\u7684\u8fdb\u7a0b\u53d1SIGTERM\u4fe1\u53f7&#xff0c;\u7ec8\u6b62\u7a0b\u5e8f\u8fd0\u884c&#xff0c;\u8be5\u4fe1\u53f7\u662f\u9ed8\u8ba4\u4fe1\u53f7<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">kill<\/span> <span class=\"token parameter variable\">-SIGTERM<\/span> %2<br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">jobs<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u8fd0\u884c\u4e2d               study Linux <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span>&#8211;  \u5df2\u7ec8\u6b62               study Python<br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">jobs<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u8fd0\u884c\u4e2d               study Linux <span class=\"token operator\">&amp;<\/span><\/p>\n<p><span class=\"token comment\"># SIGTERM \u4fe1\u53f7\u662f\u9ed8\u8ba4\u4fe1\u53f7<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">kill<\/span> %1<br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">jobs<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u5df2\u7ec8\u6b62               study Linux<br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">jobs<\/span><\/p>\n<p><span class=\"token comment\"># \u7ed9PID\u662f10123\u7684\u8fdb\u7a0b\u53d1\u9ed8\u8ba4\u4fe1\u53f7<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ study MySQL <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">10123<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> axu<span class=\"token operator\">|<\/span><span class=\"token function\">grep<\/span> study<br \/>\npengyuyan  <span class=\"token number\">10123<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span> <span class=\"token number\">113284<\/span> <span class=\"token number\">1416<\/span> pts\/4   S  <span class=\"token number\">14<\/span>:53   <span class=\"token number\">0<\/span>:00 \/bin\/bash study MySQL<br \/>\npengyuyan  <span class=\"token number\">10157<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span> <span class=\"token number\">112824<\/span>  <span class=\"token number\">984<\/span> pts\/4   R&#043; <span class=\"token number\">14<\/span>:53   <span class=\"token number\">0<\/span>:00 <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">&#8211;color<\/span><span class=\"token operator\">&#061;<\/span>auto study<br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">kill<\/span> <span class=\"token number\">10123<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">jobs<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u5df2\u7ec8\u6b62              study MySQL<\/p>\n<h4>pkill \u548c pgrep \u547d\u4ee4<\/h4>\n<p>pgrep<\/p>\n<p>**\u4f5c\u7528&#xff1a;**\u6309\u8fdb\u7a0b\u67e5\u627e\u8fdb\u7a0bPID<\/p>\n<p>**\u8bed\u6cd5&#xff1a;**pgrep [\u9009\u9879] \u8fdb\u7a0b\u540d<\/p>\n<p>\u5e38\u89c1\u9009\u9879&#xff1a;<\/p>\n<table>\n<tr>\u9009\u9879\u4f5c\u7528\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">-u \u7528\u6237\u540d<\/td>\n<td align=\"center\">\u67e5\u627e\u5c5e\u4e8e\u67d0\u7528\u6237\u7684\u8fdb\u7a0b<\/td>\n<td align=\"center\">pgrep -u tony<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-U UID<\/td>\n<td align=\"center\">\u6309\u7528\u6237ID\u67e5\u627e<\/td>\n<td align=\"center\">pgrep -U 1000<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-t \u7ec8\u7aef<\/td>\n<td align=\"center\">\u67e5\u627e\u5728\u6307\u5b9a\u7ec8\u7aef\u8fd0\u884c\u7684\u8fdb\u7a0b<\/td>\n<td align=\"center\">pgrep -t pts\/0<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-l<\/td>\n<td align=\"center\">\u663e\u793aPID\u548c\u8fdb\u7a0b\u540d<\/td>\n<td align=\"center\">pgrep -l sshd<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-a<\/td>\n<td align=\"center\">\u663e\u793aPID\u548c\u5b8c\u6574\u547d\u4ee4(\u542b\u53c2\u6570)<\/td>\n<td align=\"center\">pgrep -a nginx<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-f<\/td>\n<td align=\"center\">\u5339\u914d\u5b8c\u6574\u547d\u4ee4\u884c(\u4e0d\u4ec5\u4ec5\u662f\u8fdb\u7a0b\u540d)<\/td>\n<td align=\"center\">pgrep -f \u2018python3 script.py\u2019<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-n<\/td>\n<td align=\"center\">\u53ea\u8fd4\u56de\u6700\u65b0\u542f\u52a8\u7684\u8fdb\u7a0b<\/td>\n<td align=\"center\">pgrep -n sshd<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-o<\/td>\n<td align=\"center\">\u53ea\u8fd4\u56de\u6700\u65e9\u542f\u52a8\u7684\u8fdb\u7a0b<\/td>\n<td align=\"center\">pgrep -o sshd<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-x<\/td>\n<td align=\"center\">\u7cbe\u786e\u5339\u914d\u8fdb\u7a0b\u540d(\u4e0d\u542b\u5b50\u4e32)<\/td>\n<td align=\"center\">pgrep -x sshd(\u4e0d\u4f1a\u5339\u914dsshd_confing)<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-P PPID<\/td>\n<td align=\"center\">\u67e5\u627e\u7236\u8fdb\u7a0bID\u4e3a\u6307\u5b9a\u503c\u7684\u5b50\u8fdb\u7a0b<\/td>\n<td align=\"center\">pgrep -P 1234<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p>pkill<\/p>\n<p>**\u4f5c\u7528&#xff1a;**\u6309\u6761\u4ef6\u53d1\u9001\u4fe1\u53f7\u7ed9\u8fdb\u7a0b<\/p>\n<p>**\u8bed\u6cd5&#xff1a;**pkill [\u9009\u9879] \u8fdb\u7a0b\u540d<\/p>\n<p>\u5e38\u7528\u9009\u9879&#xff1a;<\/p>\n<table>\n<tr>\u9009\u9879\u4f5c\u7528\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">-u \u7528\u6237\u540d<\/td>\n<td align=\"center\">\u7ec8\u6b62\u5c5e\u4e8e\u67d0\u7528\u6237\u7684\u6240\u6709\u8fdb\u7a0b<\/td>\n<td align=\"center\">pkill -u tony<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-t \u7ec8\u7aef<\/td>\n<td align=\"center\">\u7ec8\u6b62\u5728\u6307\u5b9a\u7ec8\u7aef\u8fd0\u884c\u7684\u6240\u6709\u8fdb\u7a0b<\/td>\n<td align=\"center\">pkill -f pts\/0<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-f<\/td>\n<td align=\"center\">\u5339\u914d\u5b8c\u6574\u547d\u4ee4\u884c<\/td>\n<td align=\"center\">pkill -f \u201cpython3 script.py\u201d<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-x<\/td>\n<td align=\"center\">\u7cbe\u786e\u5339\u914d\u8fdb\u7a0b\u540d<\/td>\n<td align=\"center\">pkill -x sshd<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-n<\/td>\n<td align=\"center\">\u53ea\u6740\u6b7b\u6700\u65b0\u542f\u52a8\u7684\u8fdb\u7a0b<\/td>\n<td align=\"center\">pkill -n sshd<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-o<\/td>\n<td align=\"center\">\u53ea\u6740\u6b7b\u6700\u65e9\u542f\u52a8\u7684\u8fdb\u7a0b<\/td>\n<td align=\"center\">pkill -o sshd<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-P PPID<\/td>\n<td align=\"center\">\u6740\u6b7b\u6307\u5b9a\u7236\u8fdb\u7a0b\u7684\u6240\u6709\u5b50\u8fdb\u7a0b<\/td>\n<td align=\"center\">pkill -P 1234<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-\u4fe1\u53f7<\/td>\n<td align=\"center\">\u6307\u5b9a\u8981\u53d1\u9001\u7684\u4fe1\u53f7&#xff08;\u5982 -9\u3001-15&#xff09;<\/td>\n<td align=\"center\">pkill -9 nginx<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u2013signal \u4fe1\u53f7<\/td>\n<td align=\"center\">\u540c -\u4fe1\u53f7<\/td>\n<td align=\"center\">pkill &#8211;signal KILL nginx<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span class=\"token comment\"># \u51c6\u5907<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">sleep<\/span> <span class=\"token number\">1231<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token function\">sleep<\/span> <span class=\"token number\">1232<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token function\">sleep<\/span> <span class=\"token number\">1233<\/span> <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">3517<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">3518<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">3519<\/span><\/p>\n<p><span class=\"token comment\"># \u6839\u636e\u8fdb\u7a0b\u540d\u67e5\u627e\u8fdb\u7a0b<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ pgrep <span class=\"token function\">sleep<\/span><br \/>\n<span class=\"token number\">3517<\/span><br \/>\n<span class=\"token number\">3518<\/span><br \/>\n<span class=\"token number\">3519<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ pgrep <span class=\"token parameter variable\">-l<\/span> <span class=\"token function\">sleep<\/span><br \/>\n<span class=\"token number\">3517<\/span> <span class=\"token function\">sleep<\/span><br \/>\n<span class=\"token number\">3518<\/span> <span class=\"token function\">sleep<\/span><br \/>\n<span class=\"token number\">3519<\/span> <span class=\"token function\">sleep<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> axu<span class=\"token operator\">|<\/span><span class=\"token function\">grep<\/span> <span class=\"token function\">sleep<\/span><br \/>\npengyuyan     <span class=\"token number\">3517<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span> <span class=\"token number\">108052<\/span>   <span class=\"token number\">356<\/span> pts\/2    S    <span class=\"token number\">11<\/span>:35   <span class=\"token number\">0<\/span>:00 <span class=\"token function\">sleep<\/span> <span class=\"token number\">1231<\/span><br \/>\npengyuyan      <span class=\"token number\">3518<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span> <span class=\"token number\">108052<\/span>   <span class=\"token number\">356<\/span> pts\/2    S    <span class=\"token number\">11<\/span>:35   <span class=\"token number\">0<\/span>:00 <span class=\"token function\">sleep<\/span> <span class=\"token number\">1232<\/span><br \/>\npengyuyan      <span class=\"token number\">3519<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span> <span class=\"token number\">108052<\/span>   <span class=\"token number\">356<\/span> pts\/2    S    <span class=\"token number\">11<\/span>:35   <span class=\"token number\">0<\/span>:00 <span class=\"token function\">sleep<\/span> <span class=\"token number\">1233<\/span><br \/>\npengyuyan      <span class=\"token number\">3523<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span> <span class=\"token number\">112824<\/span>   <span class=\"token number\">976<\/span> pts\/2    S&#043;   <span class=\"token number\">11<\/span>:35   <span class=\"token number\">0<\/span>:00 <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">&#8211;color<\/span><span class=\"token operator\">&#061;<\/span>auto <span class=\"token function\">sleep<\/span><\/p>\n<p><span class=\"token comment\"># \u7ed9sleep\u76f8\u5173\u8fdb\u7a0b\u53d1\u9ed8\u8ba4\u4fe1\u53f7<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">pkill<\/span> <span class=\"token function\">sleep<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>   \u5df2\u7ec8\u6b62               <span class=\"token function\">sleep<\/span> <span class=\"token number\">1231<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span>&#8211;  \u5df2\u7ec8\u6b62               <span class=\"token function\">sleep<\/span> <span class=\"token number\">1232<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u5df2\u7ec8\u6b62               <span class=\"token function\">sleep<\/span> <span class=\"token number\">1233<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> axu<span class=\"token operator\">|<\/span><span class=\"token function\">grep<\/span> <span class=\"token function\">sleep<\/span><br \/>\npengyuyan     <span class=\"token number\">3535<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span> <span class=\"token number\">112824<\/span>   <span class=\"token number\">980<\/span> pts\/2    R&#043;   <span class=\"token number\">11<\/span>:36   <span class=\"token number\">0<\/span>:00 <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">&#8211;color<\/span><span class=\"token operator\">&#061;<\/span>auto <span class=\"token function\">sleep<\/span><\/p>\n<p><span class=\"token comment\"># \u6839\u636e\u7528\u6237\u540d\u5339\u914d\u7a0b\u5e8f<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> <span class=\"token parameter variable\">-u<\/span> pengyuyan<br \/>\n   PID TTY          TIME CMD<br \/>\n  <span class=\"token number\">3403<\/span> ?        00:00:00 sshd<br \/>\n  <span class=\"token number\">3404<\/span> pts\/2    00:00:00 <span class=\"token function\">bash<\/span><br \/>\n  <span class=\"token number\">3544<\/span> pts\/2    00:00:00 <span class=\"token function\">ps<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ pgrep <span class=\"token parameter variable\">-u<\/span> pengyuyan<br \/>\n<span class=\"token number\">3403<\/span><br \/>\n<span class=\"token number\">3404<\/span><\/p>\n<p><span class=\"token comment\"># kill\u76f8\u5e94\u7528\u6237\u6240\u6709\u8fdb\u7a0b&#xff0c;\u4e5f\u5c31\u662f\u6ce8\u9500\u7528\u6237<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># pkill -u pengyuyan<\/span><\/p>\n<p><span class=\"token comment\"># \u6839\u636e\u7ec8\u7aef\u5339\u914d<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">sleep<\/span> <span class=\"token number\">1231<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token function\">sleep<\/span> <span class=\"token number\">1232<\/span> <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">3607<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">3608<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">tty<\/span><br \/>\n\/dev\/pts\/0<br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ pgrep <span class=\"token parameter variable\">-t<\/span> pts\/0 <span class=\"token parameter variable\">-l<\/span><br \/>\n<span class=\"token number\">3555<\/span> <span class=\"token function\">bash<\/span><br \/>\n<span class=\"token number\">3607<\/span> <span class=\"token function\">sleep<\/span><br \/>\n<span class=\"token number\">3608<\/span> <span class=\"token function\">sleep<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">pkill<\/span> <span class=\"token parameter variable\">-t<\/span> pts\/0<br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>&#8211;  \u5df2\u7ec8\u6b62               <span class=\"token function\">sleep<\/span> <span class=\"token number\">1231<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u5df2\u7ec8\u6b62               <span class=\"token function\">sleep<\/span> <span class=\"token number\">1232<\/span><\/p>\n<p><span class=\"token comment\"># \u7ed9bash\u53d1\u9ed8\u8ba4\u4fe1\u53f7&#xff0c;bash\u8fdb\u7a0b\u5c4f\u853d\u4e86<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">pkill<\/span> <span class=\"token number\">3555<\/span><\/p>\n<p><span class=\"token comment\"># \u6839\u636ePPID&#xff0c;\u7ed9\u5b50\u8fdb\u7a0b\u53d1\u4fe1\u53f7<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">sleep<\/span> <span class=\"token number\">1231<\/span> <span class=\"token operator\">&amp;<\/span> <span class=\"token function\">sleep<\/span> <span class=\"token number\">1232<\/span> <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">3708<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">3709<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> jf<br \/>\n  <span class=\"token environment constant\">PPID<\/span>    PID   PGID    SID TTY       TPGID STAT   <span class=\"token environment constant\">UID<\/span>   TIME COMMAND<br \/>\n  <span class=\"token number\">3663<\/span>   <span class=\"token number\">3664<\/span>   <span class=\"token number\">3664<\/span>   <span class=\"token number\">3664<\/span> pts\/0      <span class=\"token number\">3711<\/span> Ss    <span class=\"token number\">1000<\/span>   <span class=\"token number\">0<\/span>:00 <span class=\"token parameter variable\">-bash<\/span><br \/>\n  <span class=\"token number\">3664<\/span>   <span class=\"token number\">3708<\/span>   <span class=\"token number\">3708<\/span>   <span class=\"token number\">3664<\/span> pts\/0      <span class=\"token number\">3711<\/span> S     <span class=\"token number\">1000<\/span>   <span class=\"token number\">0<\/span>:00  <span class=\"token punctuation\">\\\\<\/span>_ <span class=\"token function\">sleep<\/span> <span class=\"token number\">1231<\/span><br \/>\n  <span class=\"token number\">3664<\/span>   <span class=\"token number\">3709<\/span>   <span class=\"token number\">3709<\/span>   <span class=\"token number\">3664<\/span> pts\/0      <span class=\"token number\">3711<\/span> S     <span class=\"token number\">1000<\/span>   <span class=\"token number\">0<\/span>:00  <span class=\"token punctuation\">\\\\<\/span>_ <span class=\"token function\">sleep<\/span> <span class=\"token number\">1232<\/span><br \/>\n  <span class=\"token number\">3664<\/span>   <span class=\"token number\">3711<\/span>   <span class=\"token number\">3711<\/span>   <span class=\"token number\">3664<\/span> pts\/0      <span class=\"token number\">3711<\/span> R&#043;    <span class=\"token number\">1000<\/span>   <span class=\"token number\">0<\/span>:00  <span class=\"token punctuation\">\\\\<\/span>_ <span class=\"token function\">ps<\/span> jf<br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">pkill<\/span> <span class=\"token parameter variable\">-P<\/span> <span class=\"token number\">3664<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span>&#8211;  \u5df2\u7ec8\u6b62               <span class=\"token function\">sleep<\/span> <span class=\"token number\">1231<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span>&#043;  \u5df2\u7ec8\u6b62               <span class=\"token function\">sleep<\/span> <span class=\"token number\">1232<\/span><\/p>\n<p>\u5982\u679cpgrep\u65e0\u6cd5\u8fc7\u6ee4\u51fa\u5177\u6709\u7279\u5b9a\u7279\u5f81\u7684\u8fdb\u7a0b&#xff0c;\u4f7f\u7528ps\u548ckill\u914d\u5408\u5b8c\u6210\u3002<\/p>\n<p><span class=\"token comment\"># \u73af\u5883\u51c6\u5907<\/span><br \/>\n<span class=\"token comment\"># \u6682\u505c\u591a\u4e2a yum \u5b89\u88c5\u8fdb\u7a0b<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install httpd  # \u6309ctrl&#043;Z<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install httpd  # \u6309ctrl&#043;Z<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install httpd  # \u6309ctrl&#043;Z<\/span><\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># ps axu | grep yum<\/span><br \/>\nroot        <span class=\"token number\">8191<\/span>  <span class=\"token number\">0.8<\/span>  <span class=\"token number\">2.9<\/span> <span class=\"token number\">631840<\/span> <span class=\"token number\">115748<\/span> pts\/0   T    <span class=\"token number\">11<\/span>:09   <span class=\"token number\">0<\/span>:00 \/usr\/libexec\/platform-python \/usr\/bin\/yum <span class=\"token function\">install<\/span> httpd<br \/>\nroot        <span class=\"token number\">8193<\/span>  <span class=\"token number\">0.8<\/span>  <span class=\"token number\">2.8<\/span> <span class=\"token number\">631840<\/span> <span class=\"token number\">114060<\/span> pts\/0   T    <span class=\"token number\">11<\/span>:09   <span class=\"token number\">0<\/span>:00 \/usr\/libexec\/platform-python \/usr\/bin\/yum <span class=\"token function\">install<\/span> httpd<br \/>\nroot        <span class=\"token number\">8195<\/span>  <span class=\"token number\">0.8<\/span>  <span class=\"token number\">2.8<\/span> <span class=\"token number\">631840<\/span> <span class=\"token number\">115336<\/span> pts\/0   T    <span class=\"token number\">11<\/span>:09   <span class=\"token number\">0<\/span>:00 \/usr\/libexec\/platform-python \/usr\/bin\/yum <span class=\"token function\">install<\/span> httpd<br \/>\nroot        <span class=\"token number\">8221<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span> <span class=\"token number\">222016<\/span>  <span class=\"token number\">1104<\/span> pts\/0    S&#043;   <span class=\"token number\">11<\/span>:10   <span class=\"token number\">0<\/span>:00 <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">&#8211;color<\/span><span class=\"token operator\">&#061;<\/span>auto yum<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># ps axu | grep yum |grep -v grep | awk &#039;{print $2}&#039;<\/span><br \/>\n<span class=\"token number\">8191<\/span><br \/>\n<span class=\"token number\">8193<\/span><br \/>\n<span class=\"token number\">8195<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># kill -9 $(ps axu | grep yum |grep -v grep | awk &#039;{print $2}&#039;)<\/span><br \/>\n<span class=\"token comment\"># \u6216\u8005<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># pkill -9 yum<\/span><br \/>\n<span class=\"token comment\"># \u6216\u8005<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># kill -9 $(pgrep yum)<\/span><\/p>\n<h4>whoami-who-w-last \u547d\u4ee4<\/h4>\n<table>\n<tr>\u547d\u4ee4\u6838\u5fc3\u4f5c\u7528\u4fe1\u606f\u7c7b\u578b\u6570\u636e\u6765\u6e90<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">whoami<\/td>\n<td align=\"center\">\u663e\u793a\u5f53\u524d\u767b\u5f55\u7684\u7528\u6237\u540d<\/td>\n<td align=\"center\">\u5f53\u524d\u7528\u6237<\/td>\n<td align=\"center\">\u8fdb\u7a0b\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">who<\/td>\n<td align=\"center\">\u663e\u793a\u5f53\u524d\u5df2\u767b\u5f55\u7684\u7528\u6237\u5217\u8868<\/td>\n<td align=\"center\">\u5f53\u524d\u5728\u7ebf\u7528\u6237<\/td>\n<td align=\"center\">\/var\/run\/utmp<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">w<\/td>\n<td align=\"center\">\u663e\u793a\u5f53\u524d\u767b\u5f55\u7528\u6237 &#043; \u6b63\u5728\u6267\u884c\u7684\u547d\u4ee4 &#043; \u7cfb\u7edf\u8d1f\u8f7d<\/td>\n<td align=\"center\">\u5f53\u524d\u5728\u7ebf\u7528\u6237 &#043; \u7cfb\u7edf\u72b6\u6001<\/td>\n<td align=\"center\">\/var\/run\/utmp &#043; \u8fdb\u7a0b\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">last<\/td>\n<td align=\"center\">\u663e\u793a\u5386\u53f2\u767b\u5f55\u8bb0\u5f55&#xff08;\u542b\u5173\u673a\u3001\u91cd\u542f&#xff09;<\/td>\n<td align=\"center\">\u5386\u53f2\u767b\u5f55\u8bb0\u5f55<\/td>\n<td align=\"center\">\/var\/log\/wtmp<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span class=\"token comment\"># \u5f53\u524d\u7cfb\u7edf\u767b\u5f55\u7684\u7528\u6237<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">whoami<\/span><br \/>\npengyuyan<\/p>\n<p><span class=\"token comment\"># \u5f53\u524d\u7cfb\u7edf\u767b\u5f55\u7684\u7528\u6237\u8be6\u7ec6\u4fe1\u606f<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">who<\/span><br \/>\npengyuyan    pts\/0        <span class=\"token number\">2024<\/span>-07-23 <span class=\"token number\">14<\/span>:54 <span class=\"token punctuation\">(<\/span><span class=\"token number\">10.1<\/span>.8.1<span class=\"token punctuation\">)<\/span><br \/>\npengyuyan    pts\/1        <span class=\"token number\">2024<\/span>-07-23 <span class=\"token number\">14<\/span>:56 <span class=\"token punctuation\">(<\/span><span class=\"token number\">10.1<\/span>.8.1<span class=\"token punctuation\">)<\/span><br \/>\nroot     pts\/3        <span class=\"token number\">2024<\/span>-07-23 <span class=\"token number\">14<\/span>:17 <span class=\"token punctuation\">(<\/span><span class=\"token number\">10.1<\/span>.8.1<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u5f53\u524d\u7cfb\u7edf\u767b\u5f55\u7684\u7528\u6237\u8be6\u7ec6\u4fe1\u606f<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ w<br \/>\n <span class=\"token number\">15<\/span>:04:35 up  <span class=\"token number\">6<\/span>:08,  <span class=\"token number\">4<\/span> users,  load average: <span class=\"token number\">0.00<\/span>, <span class=\"token number\">0.02<\/span>, <span class=\"token number\">0.02<\/span><br \/>\n<span class=\"token environment constant\">USER<\/span>     TTY      FROM             LOGIN&#064;   IDLE   JCPU   PCPU WHAT<br \/>\npengyuyan   pts\/0    <span class=\"token number\">10.1<\/span>.8.1         <span class=\"token number\">14<\/span>:54    <span class=\"token number\">1<\/span>.00s  <span class=\"token number\">0<\/span>.14s  <span class=\"token number\">0<\/span>.00s w<br \/>\npengyuyan   pts\/1    <span class=\"token number\">10.1<\/span>.8.1         <span class=\"token number\">14<\/span>:56    <span class=\"token number\">2<\/span>:27   <span class=\"token number\">0<\/span>.01s  <span class=\"token number\">0<\/span>.01s <span class=\"token parameter variable\">-bash<\/span><br \/>\nroot     pts\/3    <span class=\"token number\">10.1<\/span>.8.1         <span class=\"token number\">14<\/span>:17   <span class=\"token number\">10<\/span>:11   <span class=\"token number\">0<\/span>.04s  <span class=\"token number\">0<\/span>.04s <span class=\"token parameter variable\">-bash<\/span><\/p>\n<p><span class=\"token comment\"># \u7cfb\u7edf\u4e2d\u7528\u6237\u767b\u5f55\u8bb0\u5f55<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ last<br \/>\npengyuyan    pts\/0        <span class=\"token number\">10.1<\/span>.8.1         Wed Nov  <span class=\"token number\">9<\/span> <span class=\"token number\">11<\/span>:42   still logged <span class=\"token keyword\">in<\/span><br \/>\npengyuyan   pts\/0        <span class=\"token number\">10.1<\/span>.8.1         Wed Nov  <span class=\"token number\">9<\/span> <span class=\"token number\">11<\/span>:37 &#8211; <span class=\"token number\">11<\/span>:41  <span class=\"token punctuation\">(<\/span>00:03<span class=\"token punctuation\">)<\/span><br \/>\npengyuyan   pts\/2        <span class=\"token number\">10.1<\/span>.8.1         Wed Nov  <span class=\"token number\">9<\/span> <span class=\"token number\">11<\/span>:31 &#8211; <span class=\"token number\">11<\/span>:37  <span class=\"token punctuation\">(<\/span>00:05<span class=\"token punctuation\">)<\/span><br \/>\nroot     pts\/1        <span class=\"token number\">10.1<\/span>.8.1         Wed Nov  <span class=\"token number\">9<\/span> <span class=\"token number\">10<\/span>:06   still logged <span class=\"token keyword\">in<\/span><br \/>\npengyuyan   pts\/0        <span class=\"token number\">10.1<\/span>.8.1         Wed Nov  <span class=\"token number\">9<\/span> 08:50 &#8211; <span class=\"token number\">11<\/span>:31  <span class=\"token punctuation\">(<\/span>02:40<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">reboot<\/span>   system boot  <span class=\"token number\">3.10<\/span>.0-1160.el7. Wed Nov  <span class=\"token number\">9<\/span> 08:45 &#8211; <span class=\"token number\">11<\/span>:51  <span class=\"token punctuation\">(<\/span>03:05<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">..<\/span>.<br \/>\npengyuyan    pts\/0        <span class=\"token number\">10.1<\/span>.8.1         Fri Nov  <span class=\"token number\">4<\/span> 09:51 &#8211; <span class=\"token number\">14<\/span>:22  <span class=\"token punctuation\">(<\/span>04:31<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">reboot<\/span>   system boot  <span class=\"token number\">3.10<\/span>.0-1160.el7. Fri Nov  <span class=\"token number\">4<\/span> 09:05 &#8211; <span class=\"token number\">11<\/span>:51 <span class=\"token punctuation\">(<\/span><span class=\"token number\">5<\/span>&#043;02:45<span class=\"token punctuation\">)<\/span><br \/>\npengyuyan   :0           :0               Thu Nov  <span class=\"token number\">3<\/span> 09:47 &#8211; crash  <span class=\"token punctuation\">(<\/span><span class=\"token number\">23<\/span>:18<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token function\">reboot<\/span>   system boot  <span class=\"token number\">3.10<\/span>.0-1160.el7. Thu Nov  <span class=\"token number\">3<\/span> 09:42 &#8211; <span class=\"token number\">11<\/span>:51 <span class=\"token punctuation\">(<\/span><span class=\"token number\">6<\/span>&#043;02:08<span class=\"token punctuation\">)<\/span>   <\/p>\n<p>wtmp begins Thu Nov  <span class=\"token number\">3<\/span> 09:42:18 <span class=\"token number\">2022<\/span><\/p>\n<h4>\u6848\u4f8b&#xff1a;kill \u4e0d\u6389\u7684\u8fdb\u7a0b<\/h4>\n<p>\u4e00\u4e2a\u8fdb\u7a0b\u6740\u6389\u4e4b\u540e&#xff0c;\u53c8\u51fa\u73b0\u4e86\u3002\u600e\u4e48\u8ba9\u8fd9\u4e2a\u7a0b\u5e8f\u6c38\u4e45 kill \u6389&#xff1f;<\/p>\n<p>\u6a21\u62df&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u51c6\u5907\u7a0b\u5e8f<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">mkdir<\/span> bin<br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cat<\/span> <span class=\"token operator\">&gt;<\/span> bin\/mm <span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">EOF<br \/>\n#!\/bin\/bash<br \/>\nwhile true<br \/>\ndo<br \/>\n  md5sum \/dev\/zero<br \/>\n  sleep 1<br \/>\ndone<br \/>\nEOF<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">chmod<\/span> &#043;x bin\/mm<\/p>\n<p><span class=\"token comment\"># \u6267\u884c\u7a0b\u5e8f<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">nohup<\/span> mm <span class=\"token operator\">&amp;<\/span><\/p>\n<p>\u5904\u7406\u8fc7\u7a0b<\/p>\n<p><span class=\"token comment\"># \u67e5\u627e\u8fdb\u7a0b<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> axo pid,%cpu,command <span class=\"token parameter variable\">&#8211;sort<\/span> -%cpu <span class=\"token operator\">|<\/span><span class=\"token function\">head<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">5<\/span><br \/>\n    PID %CPU COMMAND<br \/>\n  <span class=\"token number\">73712<\/span> <span class=\"token number\">99.7<\/span> md5sum \/dev\/zero<br \/>\n   <span class=\"token number\">1150<\/span>  <span class=\"token number\">0.1<\/span> \/usr\/libexec\/platform-python <span class=\"token parameter variable\">-Es<\/span> \/usr\/sbin\/tuned <span class=\"token parameter variable\">-l<\/span> <span class=\"token parameter variable\">-P<\/span><br \/>\n   <span class=\"token number\">1786<\/span>  <span class=\"token number\">0.1<\/span> \/usr\/libexec\/packagekitd<br \/>\n  <span class=\"token number\">69280<\/span>  <span class=\"token number\">0.1<\/span> \/usr\/bin\/gnome-shell<\/p>\n<p><span class=\"token comment\"># kill \u8fdb\u7a0b&#xff0c;\u518d\u6b21\u67e5\u770b<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">kill<\/span> <span class=\"token number\">73712<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ps<\/span> axo pid,%cpu,command <span class=\"token parameter variable\">&#8211;sort<\/span> -%cpu <span class=\"token operator\">|<\/span><span class=\"token function\">head<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">5<\/span><br \/>\n    PID %CPU COMMAND<br \/>\n  <span class=\"token number\">74830<\/span> <span class=\"token number\">99.8<\/span> md5sum \/dev\/zero<br \/>\n   <span class=\"token number\">1150<\/span>  <span class=\"token number\">0.1<\/span> \/usr\/libexec\/platform-python <span class=\"token parameter variable\">-Es<\/span> \/usr\/sbin\/tuned <span class=\"token parameter variable\">-l<\/span> <span class=\"token parameter variable\">-P<\/span><br \/>\n   <span class=\"token number\">1786<\/span>  <span class=\"token number\">0.1<\/span> \/usr\/libexec\/packagekitd<br \/>\n  <span class=\"token number\">69280<\/span>  <span class=\"token number\">0.1<\/span> \/usr\/bin\/gnome-shell<\/p>\n<p><span class=\"token comment\"># \u601d\u8def\u4e00&#xff1a;\u628a md5sum \u7a0b\u5e8f\u5220\u9664&#xff0c;\u4f7f\u7528 mv \u6a21\u62df<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># mv \/bin\/md5sum .\/md5sum<\/span><\/p>\n<p><span class=\"token comment\"># \u79fb\u56de\u53bb<\/span><br \/>\n<span class=\"token comment\"># [root&#064;centos7 ~]# mv .\/md5sum \/bin\/md5sum<\/span><\/p>\n<p><span class=\"token comment\"># \u601d\u8def\u4e8c&#xff1a;\u627e\u5230\u5e55\u540e\u63a8\u624b&#xff0c;\u4e5f\u5c31\u662f\u627e\u5230\u7236\u8fdb\u7a0b<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># ps ax -f |grep -e md5sum -e PPID<\/span><br \/>\n<span class=\"token environment constant\">UID<\/span>          PID    <span class=\"token environment constant\">PPID<\/span>  C STIME TTY      STAT   TIME CMD<br \/>\npengyuyan   <span class=\"token number\">75538<\/span>   <span class=\"token number\">73556<\/span> <span class=\"token number\">99<\/span> <span class=\"token number\">15<\/span>:25 ?        R      <span class=\"token number\">2<\/span>:12 md5sum \/dev\/zero<br \/>\nroot       <span class=\"token number\">76070<\/span>   <span class=\"token number\">53920<\/span>  <span class=\"token number\">0<\/span> <span class=\"token number\">15<\/span>:28 pts\/3    R&#043;     <span class=\"token number\">0<\/span>:00 <span class=\"token function\">grep<\/span> <span class=\"token parameter variable\">&#8211;color<\/span><span class=\"token operator\">&#061;<\/span>auto <span class=\"token parameter variable\">-e<\/span> md5sum <span class=\"token parameter variable\">-e<\/span> <span class=\"token environment constant\">PPID<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># kill 73556 75538<\/span><\/p>\n<h3>\u7279\u6b8a\u8fdb\u7a0b<\/h3>\n<p>\u53c2\u8003&#xff1a;\u51fa\u5904<\/p>\n<h4>\u50f5\u5c38\u8fdb\u7a0b<\/h4>\n<h5>\u50f5\u5c38\u8fdb\u7a0b\u4ecb\u7ecd<\/h5>\n<p>\u5982\u679c\u4e00\u4e2a\u8fdb\u7a0b\u9000\u51fa\u4e86&#xff0c;\u7acb\u9a6cX\u72b6\u6001&#xff0c;\u4f5c\u4e3a\u7236\u8fdb\u7a0b\u6ca1\u6709\u673a\u4f1a\u62ff\u5230\u5b50\u8fdb\u7a0b\u7684\u9000\u51fa\u7ed3\u679c\u3002\u6240\u4ee5\u5728Linux\u4e2d&#xff0c;\u4e00\u822c\u8fdb\u7a0b\u4e0d\u4f1a\u7acb\u5373\u9000\u51fa&#xff0c;\u800c\u662f\u8981\u7ef4\u6301\u4e00\u4e2a\u72b6\u6001\u53eb\u505aZ&#xff0c;\u4e5f\u53eb\u505a\u50f5\u5c38\u72b6\u6001&#xff0c;\u65b9\u4fbf\u540e\u7eed\u7236\u8fdb\u7a0b\u8bfb\u53d6\u8be5\u5b50\u8fdb\u7a0b\u7684\u9000\u51fa\u7ed3\u679c\u3002<\/p>\n<p>\u50f5\u5c38\u72b6\u6001\u4f1a\u4ee5\u7ec8\u6b62\u72b6\u6001\u4fdd\u6301\u5728\u8fdb\u7a0b\u5217\u8868\u4e2d&#xff0c;\u5e76\u4e14\u4f1a\u4e00\u76f4\u7b49\u5f85\u7236\u8fdb\u7a0b\u8bfb\u53d6\u9000\u51fa\u72b6\u6001\u7801\u3002\u6240\u4ee5\u53ea\u8981\u5b50\u8fdb\u7a0b\u9000\u51fa&#xff0c;\u7236\u8fdb\u7a0b\u8fd8\u5728\u8fd0\u884c&#xff0c;\u4f46\u662f\u7236\u8fdb\u7a0b\u6ca1\u6709\u8bfb\u53d6\u5b50\u8fdb\u7a0b\u72b6\u6001&#xff0c;\u5b50\u8fdb\u7a0b\u5c31\u8fdb\u5165Z\u72b6\u6001\u3002<\/p>\n<h5>\u50f5\u5c38\u8fdb\u7a0b\u6a21\u62df<\/h5>\n<p>\u53ef\u4ee5\u4f7f\u7528\u5b9e\u9a8c\u6765\u6a21\u62df\u50f5\u5c38\u72b6\u6001&#xff1a;fork\u4e00\u4e2a\u5b50\u8fdb\u7a0b&#xff0c;\u8ba9\u5b50\u8fdb\u7a0b\u5148\u9000\u51fa&#xff0c;\u4f46\u662f\u4e0d\u8981\u56de\u6536\u5b50\u8fdb\u7a0b\u3002<\/p>\n<p>\u5199\u4e00\u6bb5\u4ee3\u7801&#xff0c;\u8ba9\u7236\u8fdb\u7a0b\u8fd0\u884c60s&#xff0c;\u5b50\u8fdb\u7a0b\u8fd0\u884c10s&#xff0c;\u6b64\u65f6\u5b50\u8fdb\u7a0b\u5148\u9000\u51fa&#xff0c;\u7236\u8fdb\u7a0b\u8fd8\u5728\u8fd0\u884c&#xff0c;\u540c\u65f6\u7236\u8fdb\u7a0b\u6ca1\u6709\u83b7\u53d6\u5230\u5b50\u8fdb\u7a0b\u7684\u9000\u51fa\u7801&#xff0c;\u5b50\u8fdb\u7a0b\u8fdb\u5165\u50f5\u5c38\u72b6\u6001\u3002<\/p>\n<p>zombies.c \u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># vim zombies.c<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdlib.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token class-name\">pid_t<\/span> id <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token comment\">\/\/\u521b\u5efa\u5931\u8d25<\/span><br \/>\n  <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token operator\">&lt;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;fork&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token comment\">\/\/ id &gt;0 \u8fd0\u884c\u7236\u8fdb\u7a0b \u7236\u8fdb\u7a0b\u8fd0\u884c30s<\/span><br \/>\n  <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token operator\">&gt;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/parent<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;parent[%d] is sleeping &#8230;\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token function\">getpid<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">60<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ id &#061;&#061; 0 \u8fd0\u884c\u5b50\u8fdb\u7a0b&#xff0c; \u5b50\u8fdb\u7a0b\u8fd0\u884c 5s <\/span><br \/>\n  <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;child[%d] is begin Z &#8230;\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token function\">getpid<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span>EXIT_SUCCESS<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\"># \u5b89\u88c5 gcc \u8f6f\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install -y gcc<\/span><\/p>\n<p><span class=\"token comment\"># \u7f16\u8f91\u6e90\u7801\u4e3a\u4e8c\u8fdb\u5236\u53ef\u6267\u884c\u7a0b\u5e8f<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># gcc zombies.c -o zombies<\/span><\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># chmod &#043;x zombies<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># .\/zombies <\/span><br \/>\nparent<span class=\"token punctuation\">[<\/span><span class=\"token number\">1703<\/span><span class=\"token punctuation\">]<\/span> is sleeping <span class=\"token punctuation\">..<\/span>.<br \/>\nchild<span class=\"token punctuation\">[<\/span><span class=\"token number\">1704<\/span><span class=\"token punctuation\">]<\/span> is begin Z <span class=\"token punctuation\">..<\/span>.<\/p>\n<p><span class=\"token comment\"># \u65b0\u5f00\u7ec8\u7aef&#xff0c;\u6267\u884c\u5982\u4e0b\u547d\u4ee4\u76d1\u63a7<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># while true;do ps -C zombies u;sleep 1; echo;done<\/span><br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><br \/>\n<span class=\"token environment constant\">USER<\/span>        PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND<br \/>\nroot       <span class=\"token number\">1703<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span>   <span class=\"token number\">4216<\/span>   <span class=\"token number\">356<\/span> pts\/1    S&#043;   00:07   <span class=\"token number\">0<\/span>:00 .\/zombies<br \/>\nroot       <span class=\"token number\">1704<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span>   <span class=\"token number\">4216<\/span>    <span class=\"token number\">88<\/span> pts\/1    S&#043;   00:07   <span class=\"token number\">0<\/span>:00 .\/zombies<\/p>\n<p><span class=\"token environment constant\">USER<\/span>        PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND<br \/>\nroot       <span class=\"token number\">1703<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span>   <span class=\"token number\">4216<\/span>   <span class=\"token number\">356<\/span> pts\/1    S&#043;   00:07   <span class=\"token number\">0<\/span>:00 .\/zombies<br \/>\nroot       <span class=\"token number\">1704<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span>   <span class=\"token number\">4216<\/span>    <span class=\"token number\">88<\/span> pts\/1    S&#043;   00:07   <span class=\"token number\">0<\/span>:00 .\/zombies<\/p>\n<p><span class=\"token environment constant\">USER<\/span>        PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND<br \/>\nroot       <span class=\"token number\">1703<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span>   <span class=\"token number\">4216<\/span>   <span class=\"token number\">356<\/span> pts\/1    S&#043;   00:07   <span class=\"token number\">0<\/span>:00 .\/zombies<br \/>\nroot       <span class=\"token number\">1704<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span>      <span class=\"token number\">0<\/span>     <span class=\"token number\">0<\/span> pts\/1    Z&#043;   00:07   <span class=\"token number\">0<\/span>:00 <span class=\"token punctuation\">[<\/span>zombies<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;<\/span>defunct<span class=\"token operator\">&gt;<\/span><\/p>\n<p><span class=\"token environment constant\">USER<\/span>        PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND<br \/>\nroot       <span class=\"token number\">1703<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span>   <span class=\"token number\">4216<\/span>   <span class=\"token number\">356<\/span> pts\/1    S&#043;   00:07   <span class=\"token number\">0<\/span>:00 .\/zombies<br \/>\nroot       <span class=\"token number\">1704<\/span>  <span class=\"token number\">0.0<\/span>  <span class=\"token number\">0.0<\/span>      <span class=\"token number\">0<\/span>     <span class=\"token number\">0<\/span> pts\/1    Z&#043;   00:07   <span class=\"token number\">0<\/span>:00 <span class=\"token punctuation\">[<\/span>zombies<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;<\/span>defunct<span class=\"token operator\">&gt;<\/span><\/p>\n<p><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u5b50\u8fdb\u7a0b\u9000\u51fa\u540e&#xff0c;\u91ca\u653e\u5185\u5b58\u8d44\u6e90&#xff0c;\u72b6\u6001\u53d8\u4e3a Zombies\u3002<\/p>\n<h5>\u50f5\u5c38\u8fdb\u7a0b\u5371\u5bb3<\/h5>\n<p>\u8fdb\u7a0b\u7684\u9000\u51fa\u72b6\u6001\u5fc5\u987b\u88ab\u7ef4\u6301\u4e0b\u53bb&#xff0c;\u56e0\u4e3a\u5b83\u8981\u544a\u8bc9\u5b83\u7684\u7236\u8fdb\u7a0b&#xff0c;\u4f60\u4ea4\u7ed9\u6211\u7684\u4efb\u52a1&#xff0c;\u6211\u529e\u7684\u600e\u4e48\u6837\u4e86&#xff0c;\u53ef\u662f\u7236\u8fdb\u7a0b\u4e00\u76f4\u4e0d\u8bfb\u53d6&#xff0c;\u90a3\u4e48\u8fdb\u7a0b\u5c31\u5904\u4e8eZ\u72b6\u6001\u3002<\/p>\n<p>\u7ef4\u62a4\u9000\u51fa\u72b6\u6001\u672c\u8eab\u5c31\u662f\u4f7f\u7528\u6570\u636e\u7ef4\u62a4&#xff0c;\u5c5e\u4e8e\u8fdb\u7a0b\u7684\u57fa\u672c\u4fe1\u606f&#xff0c;\u6240\u4ee5\u8981\u4fdd\u5b58\u5728tast_struct&#xff08;PCB&#xff09;\u4e2d&#xff0c;Z\u72b6\u6001\u4e00\u76f4\u4e0d\u9000\u51fa&#xff0c;PCB\u5c31\u9700\u8981\u4e00\u76f4\u7ef4\u62a4\u3002<\/p>\n<p>\u90a3\u4e48&#xff0c;\u4e00\u4e2a\u7236\u8fdb\u7a0b\u521b\u5efa\u4e86\u5f88\u591a\u5b50\u8fdb\u7a0b&#xff0c;\u4f46\u662f\u4e0d\u56de\u6536&#xff0c;\u5c31\u4f1a\u9020\u6210\u8d44\u6e90\u7684\u6d6a\u8d39&#xff0c;\u56e0\u4e3a\u6570\u636e\u7ed3\u6784\u5bf9\u8c61\u672c\u8eab\u5c31\u8981\u5360\u7528\u5185\u5b58&#xff0c;\u5c31\u6bd4\u5982C\u8bed\u8a00\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u7ed3\u6784\u4f53\u53d8\u91cf&#xff0c;\u5c31\u9700\u8981\u5728\u5185\u5b58\u7684\u67d0\u4e2a\u4f4d\u7f6e\u8fdb\u884c\u5f00\u8f9f\u7a7a\u95f4\u3002<\/p>\n<p>\u592a\u591a\u7684\u50f5\u5c38\u8fdb\u7a0b\u4f1a\u9020\u6210PID\u8d44\u6e90\u6d6a\u8d39&#xff0c;\u65e0\u6cd5\u521b\u5efa\u65b0\u7684\u8fdb\u7a0b&#xff0c;\u56e0\u4e3a\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u7684\u8fdb\u7a0b\u603b\u6570\u662f\u6709\u4e0a\u9650\u3002<\/p>\n<h4>\u5b64\u513f\u8fdb\u7a0b<\/h4>\n<h5>\u5b64\u513f\u8fdb\u7a0b\u4ecb\u7ecd<\/h5>\n<p>\u7236\u8fdb\u7a0b\u5982\u679c\u63d0\u524d\u9000\u51fa&#xff0c;\u5b50\u8fdb\u7a0b\u540e\u9000\u51fa&#xff0c;\u5b50\u8fdb\u7a0b\u5c31\u79f0\u4e3a\u5b64\u513f\u8fdb\u7a0b\u3002\u5b50\u8fdb\u7a0b\u9000\u51fa\u540e\u5904\u4e8eZ\u72b6\u6001&#xff0c;\u7cfb\u7edf\u5982\u4f55\u5904\u7406&#xff1f;<\/p>\n<p>\u6b64\u65f6&#xff0c;\u5b50\u8fdb\u7a0b\u88ab1\u53f7\u8fdb\u7a0bsystemd\u9886\u517b&#xff0c;\u7531systemd\u56de\u6536\u3002<\/p>\n<h5>\u5b64\u513f\u8fdb\u7a0b\u6a21\u62df<\/h5>\n<p>\u5199\u4e00\u6bb5\u4ee3\u7801&#xff0c;\u8ba9\u5b50\u8fdb\u7a0b\u8fd0\u884c30s,\u7236\u8fdb\u7a0b\u8fd0\u884c3s&#xff0c;\u7236\u8fdb\u7a0b\u5148\u9000\u51fa&#xff0c;\u5b50\u8fdb\u7a0b\u75311\u53f7\u8fdb\u7a0b\u6536\u517b\u3002<\/p>\n<p>lonely.c \u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdlib.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token class-name\">pid_t<\/span> id <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token operator\">&lt;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;fork&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>id <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ parent<\/span><br \/>\n    <span class=\"token comment\">\/\/ printf(&#034;parent[%d] is sleeping &#8230;\\\\n&#034;,getpid());<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;I am child, pid:%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token function\">getpid<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">60<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ parent <\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;I am parent,pid:%d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token function\">getpid<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># gcc lonely.c -o lonely<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># chmod &#043;x lonely<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># .\/lonely <\/span><br \/>\nI am parent,pid:1882<br \/>\nI am child, pid:1883<\/p>\n<p><span class=\"token comment\"># \u65b0\u5f00\u7ec8\u7aef&#xff0c;\u6267\u884c\u5982\u4e0b\u547d\u4ee4\u76d1\u63a7<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># while true;do ps -fC lonely;sleep 1; echo;done<\/span><br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><br \/>\n<span class=\"token environment constant\">UID<\/span>         PID   <span class=\"token environment constant\">PPID<\/span>  C STIME TTY          TIME CMD<br \/>\nroot       <span class=\"token number\">1882<\/span>   <span class=\"token number\">1223<\/span>  <span class=\"token number\">0<\/span> 00:14 pts\/1    00:00:00 .\/lonely<br \/>\nroot       <span class=\"token number\">1883<\/span>   <span class=\"token number\">1882<\/span>  <span class=\"token number\">0<\/span> 00:14 pts\/1    00:00:00 .\/lonely<\/p>\n<p><span class=\"token environment constant\">UID<\/span>         PID   <span class=\"token environment constant\">PPID<\/span>  C STIME TTY          TIME CMD<br \/>\nroot       <span class=\"token number\">1883<\/span>      <span class=\"token number\">1<\/span>  <span class=\"token number\">0<\/span> 00:14 pts\/1    00:00:00 .\/lonely<br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u7236\u8fdb\u7a0b\u9000\u51fa\u540e&#xff0c;\u5b50\u8fdb\u7a0b\u7684\u7236\u8fdb\u7a0b\u7684PID\u6709\u539f\u5148\u76841882\u53d8\u4e3a1\u4e86\u3002<\/p>\n<h5>\u5b64\u513f\u8fdb\u7a0b\u5371\u5bb3<\/h5>\n<p>**\u867d\u7136\u5b64\u513f\u8fdb\u7a0b\u7531systemd\u76f4\u63a5\u7ba1\u7406\u4e86&#xff0c;\u4f46\u5982\u679c\u4ecd\u7136\u4e0d\u505c\u4ea7\u751f\u65b0\u7684\u5b64\u513f\u8fdb\u7a0b\u5219\u4f1a\u5bfc\u81f4\u5360\u7528\u8fc7\u591a\u7cfb\u7edf\u8d44\u6e90\u3002**\u9700\u8981\u5f00\u53d1\u4eba\u5458\u68c0\u67e5\u4ee3\u7801&#xff0c;\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\u3002\u5982\u679c\u5b64\u513f\u8fdb\u7a0b\u6ca1\u6709\u5b9e\u9645\u610f\u4e49&#xff0c;\u5219\u53ef\u4ee5\u901a\u8fc7kill\u6216pkill\u7ec8\u6b62\u3002<\/p>\n<h2>\u76d1\u63a7\u7cfb\u7edf\u8d1f\u8f7d<\/h2>\n<h3>\u7cfb\u7edf\u8d1f\u8f7d\u4ecb\u7ecd<\/h3>\n<p>\u7cfb\u7edf\u8d1f\u8f7d\u5e73\u5747\u503c&#xff1a;Linux\u5185\u6838\u4ee5\u6d3b\u52a8\u8bf7\u6c42\u6570\u7684\u6307\u6570\u79fb\u52a8\u5e73\u5747\u503c\u6765\u8868\u793a\u3002<\/p>\n<ul>\n<li>\u6d3b\u52a8\u8bf7\u6c42\u6570\u4e0d\u4ec5\u5305\u542b\u8fd0\u884c\u4e2d\u8fdb\u7a0b&#xff0c;\u8fd8\u5305\u542b\u7b49\u5f85IO\u7684\u8fdb\u7a0b&#xff0c;\u5bf9\u5e94\u4e8eR\u548cD\u3002\u7b49\u5f85IO\u5305\u62ec\u5904\u4e8e\u7761\u7720\u7b49\u5f85\u9884\u671f\u78c1\u76d8\u548c\u7f51\u7edc\u54cd\u5e94\u7684\u4efb\u52a1\u3002<\/li>\n<li>\u6307\u6570\u79fb\u52a8\u5e73\u5747\u503c\u662f\u4e00\u4e2a\u6570\u5b66\u516c\u5f0f&#xff0c;\u53ef\u4ee5\u5e73\u6ed1\u8d8b\u52bf\u6570\u636e\u7684\u9ad8\u503c\u548c\u4f4e\u503c&#xff0c;\u66f4\u52a0\u51c6\u786e\u5730\u8868\u793a\u4e00\u6bb5\u65f6\u95f4\u5185\u7cfb\u7edf\u8d1f\u8f7d&#xff0c;\u5e76\u786e\u5b9a\u7cfb\u7edf\u8d1f\u8f7d\u662f\u968f\u7740\u65f6\u95f4\u589e\u52a0\u8fd8\u662f\u51cf\u5c11\u3002<\/li>\n<li>\u6839\u636e\u6240\u6709CPU\u6d3b\u52a8\u8bf7\u6c42\u6570&#xff0c;\u6bcf5\u79d2\u8ba1\u7b97\u4e00\u6b21Load Average\u3002\u901a\u8fc7\u6c47\u603b\u8fd9\u4e9b\u503c&#xff0c;\u53ef\u4ee5\u5f97\u5230\u6700\u8fd11\u5206\u949f&#xff0c;5\u5206\u949f\u548c15\u5206\u949f\u5185\u7684\u6307\u6570\u79fb\u52a8\u5e73\u5747\u503c\u3002<\/li>\n<li>\u4e00\u4e9bUNIX\u7cfb\u7edf\u4ec5\u8003\u8651CPU\u4f7f\u7528\u7387\u6216\u8fd0\u884c\u961f\u5217\u957f\u5ea6\u3002Linux\u4e2d\u8d1f\u8f7d\u5e73\u5747\u503c\u4e2d\u8fd8\u5305\u542b\u4e86\u5bf9IO\u7684\u8003\u91cf&#xff0c;\u9047\u5230\u8d1f\u8f7d\u5e73\u5747\u503c\u5f88\u9ad8\u4f46CPU\u6d3b\u52a8\u5f88\u4f4e\u65f6&#xff0c;\u68c0\u67e5\u78c1\u76d8\u548c\u7f51\u7edc\u6d3b\u52a8\u3002<\/li>\n<li>Linux\u5c06\u5404\u4e2a\u7269\u7406CPU\u6838\u5fc3\u548c\u5fae\u5904\u7406\u5668\u8d85\u7ebf\u7a0b\u8ba1\u4e3a\u72ec\u7acb\u6267\u884c\u5355\u5143\u3002\u6bcf\u4e2a\u72ec\u7acb\u7684\u6267\u884c\u5355\u5143\u62e5\u6709\u72ec\u7acb\u7684\u8bf7\u6c42\u961f\u5217\u3002<\/li>\n<\/ul>\n<h3>\u67e5\u770b\u7cfb\u7edf\u8d1f\u8f7d<\/h3>\n<p><span class=\"token comment\"># \u67e5\u770bCPU<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ lscpu<br \/>\nArchitecture:          x86_64<br \/>\nCPU op-mode<span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span>:        <span class=\"token number\">32<\/span>-bit, <span class=\"token number\">64<\/span>-bit<br \/>\nByte Order:            Little Endian<br \/>\nCPU<span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span>:                <span class=\"token number\">2<\/span>  <span class=\"token comment\"># cpu \u6570\u91cf\u4e3a2<\/span><br \/>\nOn-line CPU<span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span> list:   <span class=\"token number\">0,1<\/span><br \/>\nThread<span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span> per core:    <span class=\"token number\">1<\/span><br \/>\nCore<span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span> per socket:    <span class=\"token number\">1<\/span><br \/>\nsocket&#xff1a;               <span class=\"token number\">2<\/span><br \/>\nNUMA \u8282\u70b9&#xff1a;         <span class=\"token number\">1<\/span><br \/>\n\u5382\u5546 ID&#xff1a;           GenuineIntel<br \/>\nCPU \u7cfb\u5217&#xff1a;          <span class=\"token number\">6<\/span><br \/>\n\u578b\u53f7&#xff1a;              <span class=\"token number\">94<\/span><br \/>\n\u578b\u53f7\u540d\u79f0&#xff1a;        Intel<span class=\"token punctuation\">(<\/span>R<span class=\"token punctuation\">)<\/span> Core<span class=\"token punctuation\">(<\/span>TM<span class=\"token punctuation\">)<\/span> i5-6300HQ CPU &#064; <span class=\"token number\">2<\/span>.30GHz<br \/>\n\u6b65\u8fdb&#xff1a;              <span class=\"token number\">3<\/span><br \/>\nCPU MHz&#xff1a;             <span class=\"token number\">2304.001<\/span><br \/>\nBogoMIPS&#xff1a;            <span class=\"token number\">4608.00<\/span><br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><\/p>\n<p><span class=\"token comment\"># \u67e5\u770b\u8d1f\u8f7d<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">uptime<\/span><br \/>\n <span class=\"token number\">13<\/span>:47:10 up  <span class=\"token number\">5<\/span>:01,  <span class=\"token number\">2<\/span> users,  load average: <span class=\"token number\">0.00<\/span>, <span class=\"token number\">0.01<\/span>, <span class=\"token number\">0.05<\/span><br \/>\n <span class=\"token comment\"># load average: 0.00, 0.01, 0.05<\/span><br \/>\n <span class=\"token comment\"># \u4ee3\u8868\u6700\u8fd11\u5206\u949f&#xff0c;5\u5206\u949f\u548c15\u5206\u949f\u5185\u7684\u6307\u6570\u79fb\u52a8\u5e73\u5747\u503c\u3002<\/span><\/p>\n<p><span class=\"token comment\"># \u7ed9\u7cfb\u7edf\u52a0\u8d1f\u8f7d<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ md5sum \/dev\/zero <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">4912<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ md5sum \/dev\/zero <span class=\"token operator\">&amp;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token number\">4913<\/span><\/p>\n<p><span class=\"token comment\"># \u7b4930\u79d2\u5de6\u53f3<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>pengyuyan&#064;centos7 ~<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">uptime<\/span><br \/>\n <span class=\"token number\">13<\/span>:48:57 up  <span class=\"token number\">5<\/span>:03,  <span class=\"token number\">2<\/span> users,  load average: <span class=\"token number\">1.02<\/span>, <span class=\"token number\">0.28<\/span>, <span class=\"token number\">0.13<\/span><\/p>\n<h3>\u8d1f\u8f7d\u89e3\u8bfb<\/h3>\n<p>\u793a\u4f8b&#xff1a;4\u6838\u5fc3\u7684CPU<\/p>\n<ul>\n<li>\n<p>\u8d1f\u8f7d\u4e3a&#xff1a; 2.92 4.48 5.20<\/p>\n<\/li>\n<li>\n<p>\u6bcf\u4e2acpu\u8d1f\u8f7d\u4e3a&#xff1a;0.73(2.92\/4) 1.12(4.48\/4) 1.30(5.20\/4)<\/p>\n<\/li>\n<\/ul>\n<p>\u6bd4\u8f83\u7406\u60f3\u7684\u503c\u4e3a 75% \u5de6\u53f3\u3002<\/p>\n<h3>top \u547d\u4ee4<\/h3>\n<p>\u4f5c\u7528&#xff1a;\u52a8\u6001\u67e5\u770b\u8fdb\u7a0b\u4fe1\u606f&#xff0c;\u5305\u62ec\u4e0d\u540c\u72b6\u6001\u4efb\u52a1\u6570\u91cf&#xff0c;CPU\u6d88\u8017\u548c\u5185\u5b58\u6d88\u8017\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260730143324-6a6b60b4412f4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>top\u547d\u4ee4\u5feb\u6377\u952e<\/p>\n<p>\u5e38\u7528\u7684\u547d\u4ee4&#xff1a;\u6570\u5b571&#xff0c;P&#xff0c;M&#xff0c;k&#xff0c;q&#xff0c;h\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260730143325-6a6b60b58936e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>stress \u5de5\u5177<\/h3>\n<p>Linux \u4e2d\u7684 stress \u5de5\u5177\u7528\u4e8e\u5bf9\u7cfb\u7edf\u8fdb\u884c\u538b\u529b\u6d4b\u8bd5&#xff0c;\u53ef\u6a21\u62df CPU\u3001\u5185\u5b58\u3001I\/O \u548c\u78c1\u76d8\u7b49\u8d44\u6e90\u7684\u9ad8\u8d1f\u8f7d\u72b6\u6001\u3002\u901a\u8fc7\u6307\u5b9a\u53c2\u6570&#xff08;\u5982 -c \u538b CPU\u3001-m \u538b\u5185\u5b58&#xff09;\u53ef\u521b\u5efa\u8d1f\u8f7d&#xff0c;\u5e2e\u52a9\u53d1\u73b0\u7cfb\u7edf\u5728\u538b\u529b\u4e0b\u7684\u7a33\u5b9a\u6027\u95ee\u9898&#xff0c;\u5e38\u7528\u4e8e\u6027\u80fd\u8c03\u4f18\u6216\u786c\u4ef6\u9a8c\u8bc1\u3002<\/p>\n<p>**\u8bed\u6cd5&#xff1a;**stress [\u9009\u9879] [\u53c2\u6570]<\/p>\n<p>\u5e38\u89c1\u9009\u9879&#xff1a;<\/p>\n<table>\n<tr>\u9009\u9879\u4f5c\u7528\u9009\u9879\u8bf4\u660e\u5177\u4f53\u7528\u6cd5\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">-c N<\/td>\n<td align=\"center\">\u538b CPU&#xff1a;\u8ba9 CPU \u75af\u72c2\u8ba1\u7b97&#xff0c;\u6a21\u62df\u9ad8\u8d1f\u8f7d\u573a\u666f<\/td>\n<td align=\"center\">N \u8868\u793a\u8981\u542f\u52a8\u51e0\u4e2a\u8fdb\u7a0b\u6765\u8dd1\u6ee1 CPU\u3002\u5982\u679c\u4f60\u7684 CPU \u6709 4 \u4e2a\u6838\u5fc3&#xff0c;-c 4 \u5c31\u4f1a\u8ba9\u6240\u6709\u6838\u5fc3\u6ee1\u8f7d\u3002<\/td>\n<td align=\"center\">stress -c 4<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-m N<\/td>\n<td align=\"center\">\u5360\u5185\u5b58&#xff1a;\u542f\u52a8 N \u4e2a\u8fdb\u7a0b\u4e0d\u65ad\u5206\u914d\u548c\u5360\u7528\u5185\u5b58<\/td>\n<td align=\"center\">N \u8868\u793a\u542f\u52a8\u51e0\u4e2a\u8fdb\u7a0b\u6765\u5403\u5185\u5b58\u3002\u914d\u5408 &#8211;vm-bytes \u6307\u5b9a\u6bcf\u4e2a\u8fdb\u7a0b\u5403\u591a\u5c11\u5185\u5b58<\/td>\n<td align=\"center\">stress -m 2<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u2013vm-bytes N<\/td>\n<td align=\"center\">\u6307\u5b9a\u6bcf\u4e2a\u5185\u5b58\u8fdb\u7a0b\u5403\u591a\u5c11\u5185\u5b58&#xff08;\u5fc5\u987b\u548c -m \u4e00\u8d77\u7528&#xff09;<\/td>\n<td align=\"center\">N \u53ef\u4ee5\u5e26\u5355\u4f4d&#xff0c;\u5982 256M&#xff08;256\u5146&#xff09;\u30011G&#xff08;1GB&#xff09;\u3002\u8868\u793a\u6bcf\u4e2a\u8fdb\u7a0b\u5403\u6389 256MB \u5185\u5b58\u3002<\/td>\n<td align=\"center\">stress -m 2 &#8211;vm-bytes 256M<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u2013vm-keep<\/td>\n<td align=\"center\">\u8ba9\u5185\u5b58\u8fdb\u7a0b\u4e00\u76f4\u5360\u7740\u5185\u5b58\u4e0d\u91ca\u653e&#xff08;\u6a21\u62df\u5185\u5b58\u6cc4\u6f0f\u573a\u666f&#xff09;<\/td>\n<td align=\"center\">\u4e0d\u52a0\u8fd9\u4e2a\u9009\u9879&#xff0c;\u5185\u5b58\u4f1a\u53cd\u590d\u5206\u914d\u548c\u91ca\u653e&#xff1b;\u52a0\u4e86\u4e4b\u540e&#xff0c;\u5185\u5b58\u4f1a\u88ab\u6301\u7eed\u5360\u7528&#xff0c;\u6a21\u62df\u5185\u5b58\u4e0d\u8db3\u7684\u60c5\u51b5\u3002<\/td>\n<td align=\"center\">stress -m 2 &#8211;vm-bytes 256M &#8211;vm-keep<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-d N<\/td>\n<td align=\"center\">\u538b\u786c\u76d8&#xff1a;\u542f\u52a8 N \u4e2a\u8fdb\u7a0b\u4e0d\u65ad\u5199\u5165\u548c\u5220\u9664\u4e34\u65f6\u6587\u4ef6<\/td>\n<td align=\"center\">N \u8868\u793a\u542f\u52a8\u51e0\u4e2a\u8fdb\u7a0b\u6765\u8bfb\u5199\u786c\u76d8\u3002\u914d\u5408 &#8211;hdd-bytes \u6307\u5b9a\u6bcf\u4e2a\u8fdb\u7a0b\u5199\u591a\u5c11\u6570\u636e\u3002<\/td>\n<td align=\"center\">stress -d 1<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u2013hdd-bytes N<\/td>\n<td align=\"center\">\u6307\u5b9a\u6bcf\u4e2a\u78c1\u76d8\u8fdb\u7a0b\u5199\u5165\u591a\u5c11\u6570\u636e&#xff08;\u5fc5\u987b\u548c -d \u4e00\u8d77\u7528&#xff09;<\/td>\n<td align=\"center\">N \u53ef\u4ee5\u5e26\u5355\u4f4d&#xff0c;\u5982 100M\u30011G\u3002\u8868\u793a\u6bcf\u4e2a\u8fdb\u7a0b\u5199\u5165 1GB \u7684\u4e34\u65f6\u6587\u4ef6&#xff0c;\u628a\u786c\u76d8\u8dd1\u6ee1\u3002<\/td>\n<td align=\"center\">stress -d 1 &#8211;hdd-bytes 1G<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-i N<\/td>\n<td align=\"center\">\u538b I\/O&#xff1a;\u542f\u52a8 N \u4e2a\u8fdb\u7a0b\u9891\u7e41\u8c03\u7528 sync()&#xff0c;\u5236\u9020\u78c1\u76d8\u5904\u7406\u74f6\u9888<\/td>\n<td align=\"center\">N \u8868\u793a\u542f\u52a8\u51e0\u4e2a\u8fdb\u7a0b\u6765\u5236\u9020 I\/O \u7b49\u5f85\u3002\u5b83\u4e0d\u8bfb\u5199\u5927\u6587\u4ef6&#xff0c;\u800c\u662f\u8ba9\u786c\u76d8\u5fd9\u4e8e\u5904\u7406\u96f6\u788e\u7684\u201c\u540c\u6b65\u201d\u8bf7\u6c42\u3002<\/td>\n<td align=\"center\">stress -i 4<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-t N<\/td>\n<td align=\"center\">\u8bbe\u7f6e\u6d4b\u8bd5\u8fd0\u884c\u591a\u957f\u65f6\u95f4\u540e\u81ea\u52a8\u505c\u6b62<\/td>\n<td align=\"center\">N \u53ef\u4ee5\u5e26\u5355\u4f4d&#xff0c;\u5982 60s&#xff08;60\u79d2&#xff09;\u30011m&#xff08;1\u5206\u949f&#xff09;\u30011h&#xff08;1\u5c0f\u65f6&#xff09;\u3002\u65f6\u95f4\u5230\u540e\u81ea\u52a8\u9000\u51fa\u3002<\/td>\n<td align=\"center\">stress -c 4 -t 60s<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-v<\/td>\n<td align=\"center\">\u663e\u793a\u8be6\u7ec6\u8fd0\u884c\u4fe1\u606f&#xff08;\u9002\u5408\u8c03\u8bd5&#xff09;<\/td>\n<td align=\"center\">\u4e0d\u52a0\u7684\u8bdd&#xff0c;stress \u9ed8\u8ba4\u4e0d\u8f93\u51fa\u4efb\u4f55\u4fe1\u606f&#xff1b;\u52a0\u4e0a\u540e\u4f1a\u663e\u793a\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u72b6\u6001\u3002<\/td>\n<td align=\"center\">stress -c 2 -v<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">-q<\/td>\n<td align=\"center\">\u9759\u9ed8\u6a21\u5f0f&#xff08;\u4e0d\u8f93\u51fa\u4efb\u4f55\u4fe1\u606f&#xff09;<\/td>\n<td align=\"center\">\u9002\u5408\u5728\u540e\u53f0\u811a\u672c\u4e2d\u8fd0\u884c&#xff0c;\u4e0d\u5e72\u6270\u5176\u4ed6\u8f93\u51fa\u3002<\/td>\n<td align=\"center\">stress -c 2 -q<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tr>\u573a\u666f\u547d\u4ee4\u89e3\u91ca<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">\u8ba9 CPU \u6ee1\u8f7d\u8fd0\u884c 1 \u5206\u949f<\/td>\n<td align=\"center\">stress -c 4 -t 60s<\/td>\n<td align=\"center\">\u542f\u52a8 4 \u4e2a\u8fdb\u7a0b\u538b CPU&#xff0c;1 \u5206\u949f\u540e\u81ea\u52a8\u505c\u6b62<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u5403\u6389 1GB \u5185\u5b58&#xff08;2 \u4e2a\u8fdb\u7a0b\u5404 512M&#xff09;<\/td>\n<td align=\"center\">stress -m 2 &#8211;vm-bytes 512M &#8211;vm-keep<\/td>\n<td align=\"center\">\u542f\u52a8 2 \u4e2a\u8fdb\u7a0b&#xff0c;\u6bcf\u4e2a\u5360\u7528 512MB \u5185\u5b58&#xff0c;\u4e00\u76f4\u5360\u7740\u4e0d\u91ca\u653e<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u540c\u65f6\u538b CPU \u548c\u5185\u5b58<\/td>\n<td align=\"center\">stress -c 2 -m 1 &#8211;vm-bytes 256M<\/td>\n<td align=\"center\">2 \u4e2a\u8fdb\u7a0b\u538b CPU&#xff0c;1 \u4e2a\u8fdb\u7a0b\u5360 256MB \u5185\u5b58<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u538b\u786c\u76d8&#xff1a;\u5199\u5165 2GB \u6570\u636e<\/td>\n<td align=\"center\">stress -d 1 &#8211;hdd-bytes 2G<\/td>\n<td align=\"center\">\u542f\u52a8 1 \u4e2a\u8fdb\u7a0b&#xff0c;\u4e0d\u65ad\u5199\u5165 2GB \u7684\u4e34\u65f6\u6587\u4ef6<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u6df7\u5408\u538b\u529b\u6d4b\u8bd5&#xff08;CPU &#043; \u5185\u5b58 &#043; I\/O&#xff09;<\/td>\n<td align=\"center\">stress -c 2 -m 1 &#8211;vm-bytes 256M -i 2 -t 2m<\/td>\n<td align=\"center\">2 \u4e2a\u8fdb\u7a0b\u538b CPU&#xff0c;1 \u4e2a\u8fdb\u7a0b\u5360 256M \u5185\u5b58&#xff0c;2 \u4e2a\u8fdb\u7a0b\u538b I\/O&#xff0c;\u6301\u7eed 2 \u5206\u949f<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u5b89\u9759\u6a21\u5f0f\u8fd0\u884c&#xff08;\u4e0d\u8f93\u51fa\u4efb\u4f55\u4fe1\u606f&#xff09;<\/td>\n<td align=\"center\">stress -c 2 -q -t 30s<\/td>\n<td align=\"center\">\u538b CPU 30 \u79d2&#xff0c;\u5c4f\u5e55\u4e0d\u663e\u793a\u4efb\u4f55\u5185\u5bb9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span class=\"token comment\"># \u5b89\u88c5<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install -y stress<\/span><\/p>\n<h4>\u538b\u529b\u6d4b\u8bd5-CPU<\/h4>\n<p><span class=\"token comment\"># \u6d88\u80172\u4e2aCPU<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~ <span class=\"token number\">14<\/span>:17:19<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># stress -c 2<\/span><br \/>\nstress: info: <span class=\"token punctuation\">[<\/span><span class=\"token number\">2595<\/span><span class=\"token punctuation\">]<\/span> dispatching hogs: <span class=\"token number\">2<\/span> cpu, <span class=\"token number\">0<\/span> io, <span class=\"token number\">0<\/span> vm, <span class=\"token number\">0<\/span> hdd<\/p>\n<p><span class=\"token comment\"># top \u76d1\u63a7<\/span><br \/>\n<span class=\"token function\">top<\/span> &#8211; <span class=\"token number\">14<\/span>:18:22 up <span class=\"token number\">47<\/span> min,  <span class=\"token number\">2<\/span> users,  load average: <span class=\"token number\">1.37<\/span>, <span class=\"token number\">0.50<\/span>, <span class=\"token number\">0.47<\/span><br \/>\nTasks: <span class=\"token number\">187<\/span> total,   <span class=\"token number\">4<\/span> running, <span class=\"token number\">183<\/span> sleeping,   <span class=\"token number\">0<\/span> stopped,   <span class=\"token number\">0<\/span> zombie<br \/>\n%Cpu<span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span>:100.0 us,  <span class=\"token number\">0.0<\/span> sy,  <span class=\"token number\">0.0<\/span> ni,  <span class=\"token number\">0.0<\/span> id,  <span class=\"token number\">0.0<\/span> wa,  <span class=\"token number\">0.0<\/span> hi,  <span class=\"token number\">0.0<\/span> si,  <span class=\"token number\">0.0<\/span> st<br \/>\nKiB Mem <span class=\"token builtin class-name\">:<\/span>  <span class=\"token number\">4026124<\/span> total,  <span class=\"token number\">1535676<\/span> free,   <span class=\"token number\">490668<\/span> used,  <span class=\"token number\">1999780<\/span> buff\/cache<br \/>\nKiB Swap:  <span class=\"token number\">4063228<\/span> total,  <span class=\"token number\">4063228<\/span> free,        <span class=\"token number\">0<\/span> used.  <span class=\"token number\">3277584<\/span> avail Mem <\/p>\n<p>   PID <span class=\"token environment constant\">USER<\/span>      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME&#043; COMMAND<br \/>\n  <span class=\"token number\">2596<\/span> root      <span class=\"token number\">20<\/span>   <span class=\"token number\">0<\/span>    <span class=\"token number\">7312<\/span>    <span class=\"token number\">100<\/span>      <span class=\"token number\">0<\/span> R <span class=\"token number\">100.0<\/span>  <span class=\"token number\">0.0<\/span>   <span class=\"token number\">1<\/span>:01.42 stress<br \/>\n  <span class=\"token number\">2597<\/span> root      <span class=\"token number\">20<\/span>   <span class=\"token number\">0<\/span>    <span class=\"token number\">7312<\/span>    <span class=\"token number\">100<\/span>      <span class=\"token number\">0<\/span> R <span class=\"token number\">100.0<\/span>  <span class=\"token number\">0.0<\/span>   <span class=\"token number\">1<\/span>:01.25 stress<br \/>\n  <span class=\"token number\">2594<\/span> root      <span class=\"token number\">20<\/span>   <span class=\"token number\">0<\/span>  <span class=\"token number\">162100<\/span>   <span class=\"token number\">2320<\/span>   <span class=\"token number\">1588<\/span> R   <span class=\"token number\">0.6<\/span>  <span class=\"token number\">0.1<\/span>   <span class=\"token number\">0<\/span>:00.12 <span class=\"token function\">top<\/span><br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><\/p>\n<h4>\u538b\u529b\u6d4b\u8bd5-\u5185\u5b58<\/h4>\n<p><span class=\"token comment\"># \u6d88\u8017\u524d\u5185\u5b58<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~ <span class=\"token number\">14<\/span>:21:06<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># free -m<\/span><br \/>\n              total        used        <span class=\"token function\">free<\/span>      shared  buff\/cache   available<br \/>\nMem:           <span class=\"token number\">3931<\/span>         <span class=\"token number\">478<\/span>        <span class=\"token number\">1500<\/span>          <span class=\"token number\">14<\/span>        <span class=\"token number\">1952<\/span>        <span class=\"token number\">3201<\/span><br \/>\nSwap:          <span class=\"token number\">3967<\/span>           <span class=\"token number\">0<\/span>        <span class=\"token number\">3967<\/span><\/p>\n<p><span class=\"token comment\"># \u6d88\u8017 1G \u5185\u5b58<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~ <span class=\"token number\">14<\/span>:19:11<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># stress -m 1 &#8211;vm-bytes 1G<\/span><br \/>\nstress: info: <span class=\"token punctuation\">[<\/span><span class=\"token number\">2623<\/span><span class=\"token punctuation\">]<\/span> dispatching hogs: <span class=\"token number\">0<\/span> cpu, <span class=\"token number\">0<\/span> io, <span class=\"token number\">1<\/span> vm, <span class=\"token number\">0<\/span> hdd<\/p>\n<p><span class=\"token comment\"># \u6d88\u8017\u540e\u5185\u5b58<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~ <span class=\"token number\">14<\/span>:21:44<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># free -m<\/span><br \/>\n              total        used        <span class=\"token function\">free<\/span>      shared  buff\/cache   available<br \/>\nMem:           <span class=\"token number\">3931<\/span>        <span class=\"token number\">1403<\/span>         <span class=\"token number\">575<\/span>          <span class=\"token number\">14<\/span>        <span class=\"token number\">1952<\/span>        <span class=\"token number\">2274<\/span><br \/>\nSwap:          <span class=\"token number\">3967<\/span>           <span class=\"token number\">0<\/span>        <span class=\"token number\">3967<\/span><\/p>\n<h4>\u538b\u529b\u6d4b\u8bd5-\u78c1\u76d8<\/h4>\n<p><span class=\"token comment\"># \u6d88\u8017\u78c1\u76d8IO<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~ <span class=\"token number\">14<\/span>:22:21<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># stress -d 1 &#8211;hdd-bytes 2G<\/span><\/p>\n<p><span class=\"token comment\"># \u76d1\u89c6\u6d3b\u52a8\u72b6\u6001\u767e\u5206\u6bd4&#xff0c;%util<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~ <span class=\"token number\">14<\/span>:23:28<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install -y sysstat<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~ <span class=\"token number\">14<\/span>:23:31<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># sar -dp 1<\/span><br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><br \/>\n<span class=\"token number\">14<\/span>\u65f623\u520629\u79d2       DEV       tps  rd_sec\/s  wr_sec\/s  avgrq-sz  avgqu-sz     await     svctm     %util<br \/>\n<span class=\"token number\">14<\/span>\u65f623\u520630\u79d2       sda   <span class=\"token number\">2699.00<\/span>      <span class=\"token number\">0.00<\/span> <span class=\"token number\">2762752.00<\/span>   <span class=\"token number\">1023.62<\/span>      <span class=\"token number\">6.11<\/span>      <span class=\"token number\">2.26<\/span>      <span class=\"token number\">0.29<\/span>     <span class=\"token number\">79.50<\/span><br \/>\n<span class=\"token number\">14<\/span>\u65f623\u520630\u79d2       sr0      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span><br \/>\n<span class=\"token number\">14<\/span>\u65f623\u520630\u79d2 centos-root   <span class=\"token number\">2698.00<\/span>      <span class=\"token number\">0.00<\/span> <span class=\"token number\">2761728.00<\/span>   <span class=\"token number\">1023.62<\/span>      <span class=\"token number\">6.11<\/span>      <span class=\"token number\">2.26<\/span>      <span class=\"token number\">0.29<\/span>     <span class=\"token number\">79.50<\/span><br \/>\n<span class=\"token number\">14<\/span>\u65f623\u520630\u79d2 centos-swap      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span><br \/>\n<span class=\"token number\">14<\/span>\u65f623\u520630\u79d2 centos-home      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span><br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><\/p>\n<h3>\u7f51\u7edc\u6d4b\u8bd5<\/h3>\n<p>wget \u547d\u4ee4<\/p>\n<p>\u4f5c\u7528&#xff1a;\u662f Linux \u4e2d\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u547d\u4ee4\u884c\u4e0b\u8f7d\u5de5\u5177\u3002\u5b83\u652f\u6301 HTTP\u3001HTTPS \u548c FTP \u534f\u8bae&#xff0c;\u53ef\u4ee5\u5728\u540e\u53f0\u4e0b\u8f7d\u6587\u4ef6&#xff0c;\u5373\u4f7f\u65ad\u5f00\u7ec8\u7aef\u8fde\u63a5\u4e5f\u80fd\u7ee7\u7eed\u8fd0\u884c\u3002<\/p>\n<p>**\u8bed\u6cd5&#xff1a;**wget [\u9009\u9879] URL<\/p>\n<p>URL\u5373\u7f51\u5740<\/p>\n<p>\u5e38\u89c1\u7528\u6cd5&#xff1a;<\/p>\n<table>\n<tr>\u7528\u6cd5\u4f5c\u7528<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">wget URL<\/td>\n<td align=\"center\">\u4e0b\u8f7d\u6587\u4ef6\u5230\u5f53\u524d\u76ee\u5f55<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">wget -O \u6587\u4ef6\u540d URL<\/td>\n<td align=\"center\">\u4e0b\u8f7d\u5e76\u91cd\u547d\u540d\u6587\u4ef6<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">wget -c URL<\/td>\n<td align=\"center\">\u65ad\u70b9\u7eed\u4f20&#xff08;\u7eed\u4f20\u672a\u5b8c\u6210\u7684\u4e0b\u8f7d&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">wget -q URL<\/td>\n<td align=\"center\">\u9759\u9ed8\u6a21\u5f0f&#xff08;\u4e0d\u663e\u793a\u8fdb\u5ea6&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">wget -b URL<\/td>\n<td align=\"center\">\u540e\u53f0\u4e0b\u8f7d<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">wget -r URL<\/td>\n<td align=\"center\">\u9012\u5f52\u4e0b\u8f7d\u6574\u4e2a\u7f51\u7ad9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p>sar\u547d\u4ee4<\/p>\n<p>\u4f5c\u7528&#xff1a;\u662f Linux \u4e0a\u4e00\u6b3e\u5168\u9762\u7684\u7cfb\u7edf\u6027\u80fd\u5206\u6790\u5de5\u5177&#xff0c;\u53ef\u4ee5\u6536\u96c6\u3001\u62a5\u544a\u5e76\u4fdd\u5b58 CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8 I\/O\u3001\u7f51\u7edc\u7b49\u591a\u7ef4\u5ea6\u5386\u53f2\u6570\u636e\u3002\u5b83\u5c5e\u4e8e sysstat \u5de5\u5177\u5305&#xff0c;\u9ed8\u8ba4\u6bcf 10 \u5206\u949f\u91c7\u96c6\u4e00\u6b21\u6570\u636e&#xff0c;\u975e\u5e38\u9002\u5408\u7528\u4e8e\u4e8b\u540e\u6392\u67e5\u548c\u6027\u80fd\u8d8b\u52bf\u5206\u6790\u3002<\/p>\n<p>**\u8bed\u6cd5&#xff1a;**sar [\u9009\u9879] [\u65f6\u95f4\u95f4\u9694] [\u91c7\u6837\u6b21\u6570]<\/p>\n<p>[\u65f6\u95f4\u95f4\u9694]&#xff1a;\u6bcf\u6b21\u91c7\u6837\u7684\u95f4\u9694\u65f6\u95f4(\u79d2)<\/p>\n<p>[\u91c7\u6837\u6b21\u6570]&#xff1a;\u603b\u5171\u91c7\u6837\u7684\u6b21\u6570\u3002\u82e5\u4e0d\u6307\u5b9a&#xff0c;\u5219\u6301\u7eed\u8f93\u51fa<\/p>\n<p>\u6838\u5fc3\u529f\u80fd\u9009\u9879\u901f\u67e5&#xff1a;<\/p>\n<table>\n<tr>\u529f\u80fd\u5206\u7c7b\u9009\u9879\u4f5c\u7528\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td align=\"center\">\u7efc\u5408\u67e5\u770b<\/td>\n<td align=\"center\">-A<\/td>\n<td align=\"center\">\u8f93\u51fa\u6240\u6709\u6d3b\u52a8\u7684\u7edf\u8ba1\u62a5\u544a<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u7f51\u7edc\u76d1\u63a7<\/td>\n<td align=\"center\">-n DEV<\/td>\n<td align=\"center\">\u67e5\u770b\u7f51\u7edc\u63a5\u53e3\u7684\u6d41\u91cf\u7edf\u8ba1&#xff08;\u6536\u53d1\u5305\u6570\u3001\u901f\u7387&#xff09;<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u7f51\u7edc\u76d1\u63a7<\/td>\n<td align=\"center\">-n TCP<\/td>\n<td align=\"center\">\u67e5\u770b TCP \u8fde\u63a5\u72b6\u6001\u7edf\u8ba1<\/td>\n<\/tr>\n<tr>\n<td align=\"center\">\u7f51\u7edc\u76d1\u63a7<\/td>\n<td align=\"center\">-n SOCK<\/td>\n<td align=\"center\">\u67e5\u770b\u5404\u7c7b Socket \u6570\u91cf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span class=\"token comment\"># \u4f20\u9001\u4e00\u4e2a\u5927size\u7684\u6587\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~ <span class=\"token number\">14<\/span>:27:17<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># wget http:\/\/192.168.43.100\/isos\/CentOS-7-x86_64-DVD-2207-02.iso<\/span><\/p>\n<p><span class=\"token comment\"># \u76d1\u63a7\u5e26\u5bbd<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~ <span class=\"token number\">14<\/span>:29:13<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># sar -n DEV 1<\/span><br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><br \/>\n<span class=\"token number\">14<\/span>\u65f629\u520607\u79d2     IFACE   rxpck\/s   txpck\/s    rxkB\/s    txkB\/s   rxcmp\/s   txcmp\/s  rxmcst\/s<br \/>\n<span class=\"token number\">14<\/span>\u65f629\u520608\u79d2     ens32  <span class=\"token number\">69961.00<\/span>   <span class=\"token number\">5404.00<\/span>  <span class=\"token number\">96338.71<\/span>    <span class=\"token number\">513.95<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span><br \/>\n<span class=\"token number\">14<\/span>\u65f629\u520608\u79d2        lo      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span><br \/>\n<span class=\"token number\">14<\/span>\u65f629\u520608\u79d2 virbr0-nic      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span><br \/>\n<span class=\"token number\">14<\/span>\u65f629\u520608\u79d2    virbr0      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span>      <span class=\"token number\">0.00<\/span><br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><\/p>\n<h3>\u76d1\u63a7\u603b\u7ed3<\/h3>\n<p>\u4ee5\u4e0b\u662f\u9488\u5bf9 Linux \u7cfb\u7edf\u76d1\u63a7\u7684\u51e0\u6761\u5b9e\u7528\u5efa\u8bae&#xff0c;\u6db5\u76d6\u5173\u952e\u76d1\u63a7\u7ef4\u5ea6\u548c\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<li>\u6838\u5fc3\u6307\u6807\u5b9e\u65f6\u76d1\u63a7 \u91cd\u70b9\u8ddf\u8e2a CPU \u4f7f\u7528\u7387&#xff08;\u7528\u6237\u6001 \/ \u7cfb\u7edf\u6001\u5360\u6bd4&#xff09;\u3001\u5185\u5b58\u5360\u7528&#xff08;\u542b\u7f13\u5b58 \/swap \u4f7f\u7528\u7387&#xff09;\u3001\u78c1\u76d8 I\/O&#xff08;\u8bfb\u5199\u541e\u5410\u91cf\u3001IOPS&#xff09;\u548c\u7f51\u7edc\u6d41\u91cf&#xff08;\u5e26\u5bbd\u5229\u7528\u7387\u3001\u8fde\u63a5\u6570&#xff09;\u3002\u53ef\u901a\u8fc7 top\/htop&#xff08;\u5b9e\u65f6&#xff09;\u3001vmstat\/iostat&#xff08;\u7cfb\u7edf\u7ea7&#xff09;\u7b49\u5de5\u5177\u5feb\u901f\u67e5\u770b\u3002<\/li>\n<li>\u90e8\u7f72\u4e13\u4e1a\u76d1\u63a7\u5de5\u5177 \u5bf9\u4e8e\u670d\u52a1\u5668\u96c6\u7fa4\u6216\u957f\u671f\u76d1\u63a7\u9700\u6c42&#xff0c;\u5efa\u8bae\u4f7f\u7528 Prometheus &#043; Grafana&#xff08;\u53ef\u89c6\u5316\u5f3a&#xff09;\u3001Zabbix&#xff08;\u5168\u529f\u80fd\u76d1\u63a7&#xff09;\u6216 Nagios&#xff08;\u8f7b\u91cf\u544a\u8b66&#xff09;\u7b49\u5de5\u5177&#xff0c;\u5b9e\u73b0\u6307\u6807\u96c6\u4e2d\u6536\u96c6\u3001\u8d8b\u52bf\u5206\u6790\u548c\u5386\u53f2\u6570\u636e\u67e5\u8be2\u3002<\/li>\n<li>\u8bbe\u7f6e\u5173\u952e\u9608\u503c\u544a\u8b66 \u9488\u5bf9\u6838\u5fc3\u6307\u6807\u914d\u7f6e\u544a\u8b66\u9608\u503c&#xff08;\u5982 CPU \u6301\u7eed 5 \u5206\u949f\u8d85 80%\u3001\u78c1\u76d8\u7a7a\u95f4\u4e0d\u8db3 10%&#xff09;&#xff0c;\u901a\u8fc7\u90ae\u4ef6\u3001\u77ed\u4fe1\u6216\u5373\u65f6\u901a\u8baf\u5de5\u5177\u63a8\u9001\u544a\u8b66&#xff0c;\u907f\u514d\u6545\u969c\u6269\u5927\u3002\u6ce8\u610f\u907f\u514d\u544a\u8b66\u98ce\u66b4&#xff08;\u53ef\u8bbe\u7f6e\u544a\u8b66\u5408\u5e76\u6216\u5ef6\u8fdf&#xff09;\u3002<\/li>\n<li>\u76d1\u63a7\u8fdb\u7a0b\u4e0e\u670d\u52a1\u72b6\u6001 \u5b9a\u671f\u68c0\u67e5\u5173\u952e\u670d\u52a1&#xff08;\u5982 Nginx\u3001MySQL&#xff09;\u7684\u8fd0\u884c\u72b6\u6001\u3001\u8fdb\u7a0b\u6570\u53ca\u8d44\u6e90\u6d88\u8017&#xff0c;\u53ef\u901a\u8fc7 systemctl status \u6216\u81ea\u5b9a\u4e49\u811a\u672c\u5b9e\u73b0\u3002\u5bf9\u5f02\u5e38\u9000\u51fa\u7684\u8fdb\u7a0b&#xff0c;\u7ed3\u5408\u65e5\u5fd7\u6392\u67e5\u5d29\u6e83\u539f\u56e0\u3002<\/li>\n<li>\u65e5\u5fd7\u96c6\u4e2d\u7ba1\u7406\u4e0e\u5206\u6790 \u5c06\u7cfb\u7edf\u65e5\u5fd7&#xff08;\/var\/log\/messages&#xff09;\u3001\u5e94\u7528\u65e5\u5fd7\u96c6\u4e2d\u5b58\u50a8&#xff08;\u5982\u4f7f\u7528 ELK \u6808&#xff09;&#xff0c;\u5173\u6ce8\u9519\u8bef\u4fe1\u606f&#xff08;ERROR \u7ea7\u522b&#xff09;\u3001\u767b\u5f55\u5f02\u5e38&#xff08;\/var\/log\/auth.log&#xff09;\u548c\u78c1\u76d8\u9519\u8bef&#xff08;dmesg | grep error&#xff09;&#xff0c;\u5fc5\u8981\u65f6\u914d\u7f6e\u65e5\u5fd7\u544a\u8b66\u89c4\u5219\u3002<\/li>\n<li>\u78c1\u76d8\u5065\u5eb7\u76d1\u63a7 \u9664\u7a7a\u95f4\u4f7f\u7528\u7387\u5916&#xff0c;\u9700\u5173\u6ce8\u78c1\u76d8\u574f\u5757&#xff08;smartctl \u5de5\u5177\u68c0\u6d4b S.M.A.R.T \u4fe1\u606f&#xff09;\u548c\u6587\u4ef6\u7cfb\u7edf\u5b8c\u6574\u6027&#xff08;\u5b9a\u671f\u8fd0\u884c fsck&#xff0c;\u975e\u6302\u8f7d\u72b6\u6001\u4e0b&#xff09;&#xff0c;\u907f\u514d\u786c\u4ef6\u6545\u969c\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002<\/li>\n<li>\u7f51\u7edc\u4e0e\u5b89\u5168\u76d1\u63a7 \u76d1\u63a7\u7aef\u53e3\u5f00\u653e\u72b6\u6001&#xff08;netstat\/ss&#xff09;\u3001\u5f02\u5e38\u8fde\u63a5&#xff08;\u5c24\u5176\u662f\u5916\u90e8 IP \u7684\u9ad8\u9891\u8bbf\u95ee&#xff09;\u548c\u9632\u706b\u5899\u89c4\u5219\u751f\u6548\u60c5\u51b5\u3002\u53ef\u7ed3\u5408 tcpdump \u6293\u5305\u5206\u6790\u53ef\u7591\u6d41\u91cf\u3002<\/li>\n<li>\u5b9a\u671f\u6027\u80fd\u57fa\u7ebf\u5206\u6790 \u8bb0\u5f55\u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\u65f6\u7684\u6307\u6807\u57fa\u7ebf&#xff08;\u5982\u5e73\u5747\u8d1f\u8f7d\u3001\u5185\u5b58\u4f7f\u7528\u5cf0\u503c&#xff09;&#xff0c;\u5f53\u6307\u6807\u504f\u79bb\u57fa\u7ebf\u65f6\u53ca\u65f6\u6392\u67e5&#xff0c;\u907f\u514d\u5fae\u5c0f\u5f02\u5e38\u7d2f\u79ef\u6210\u6545\u969c\u3002<\/li>\n<li>\u81ea\u52a8\u5316\u76d1\u63a7\u811a\u672c \u5bf9\u4e2a\u6027\u5316\u9700\u6c42&#xff08;\u5982\u7279\u5b9a\u76ee\u5f55\u6587\u4ef6\u6570\u3001\u5e94\u7528\u54cd\u5e94\u65f6\u95f4&#xff09;&#xff0c;\u7f16\u5199 Shell \u6216 Python \u811a\u672c\u5b9a\u671f\u6267\u884c\u68c0\u67e5&#xff0c;\u8f93\u51fa\u7ed3\u679c\u81f3\u76d1\u63a7\u7cfb\u7edf\u6216\u76f4\u63a5\u89e6\u53d1\u544a\u8b66\u3002<\/li>\n<li>\u76d1\u63a7\u6743\u9650\u4e0e\u5b89\u5168 \u9650\u5236\u76d1\u63a7\u5de5\u5177\u7684\u6743\u9650&#xff08;\u5982\u4ec5\u6388\u4e88\u8bfb\u53d6\u65e5\u5fd7\u548c\u6307\u6807\u7684\u6743\u9650&#xff09;&#xff0c;\u52a0\u5bc6\u4f20\u8f93\u76d1\u63a7\u6570\u636e&#xff0c;\u9632\u6b62\u76d1\u63a7\u7cfb\u7edf\u672c\u8eab\u6210\u4e3a\u5b89\u5168\u8584\u5f31\u70b9\u3002<\/li>\n<p>29\u520608\u79d2 virbr0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 \u2026<\/p>\n<p>## \u76d1\u63a7\u603b\u7ed3<\/p>\n<p>\u4ee5\u4e0b\u662f\u9488\u5bf9 Linux \u7cfb\u7edf\u76d1\u63a7\u7684\u51e0\u6761\u5b9e\u7528\u5efa\u8bae&#xff0c;\u6db5\u76d6\u5173\u952e\u76d1\u63a7\u7ef4\u5ea6\u548c\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<p>1. **\u6838\u5fc3\u6307\u6807\u5b9e\u65f6\u76d1\u63a7**<br \/>\n   \u91cd\u70b9\u8ddf\u8e2a CPU \u4f7f\u7528\u7387&#xff08;\u7528\u6237\u6001 \/ \u7cfb\u7edf\u6001\u5360\u6bd4&#xff09;\u3001\u5185\u5b58\u5360\u7528&#xff08;\u542b\u7f13\u5b58 \/swap \u4f7f\u7528\u7387&#xff09;\u3001\u78c1\u76d8 I\/O&#xff08;\u8bfb\u5199\u541e\u5410\u91cf\u3001IOPS&#xff09;\u548c\u7f51\u7edc\u6d41\u91cf&#xff08;\u5e26\u5bbd\u5229\u7528\u7387\u3001\u8fde\u63a5\u6570&#xff09;\u3002\u53ef\u901a\u8fc7 &#096;top&#096;\/&#096;htop&#096;&#xff08;\u5b9e\u65f6&#xff09;\u3001&#096;vmstat&#096;\/&#096;iostat&#096;&#xff08;\u7cfb\u7edf\u7ea7&#xff09;\u7b49\u5de5\u5177\u5feb\u901f\u67e5\u770b\u3002<br \/>\n2. **\u90e8\u7f72\u4e13\u4e1a\u76d1\u63a7\u5de5\u5177**<br \/>\n   \u5bf9\u4e8e\u670d\u52a1\u5668\u96c6\u7fa4\u6216\u957f\u671f\u76d1\u63a7\u9700\u6c42&#xff0c;\u5efa\u8bae\u4f7f\u7528 Prometheus &#043; Grafana&#xff08;\u53ef\u89c6\u5316\u5f3a&#xff09;\u3001Zabbix&#xff08;\u5168\u529f\u80fd\u76d1\u63a7&#xff09;\u6216 Nagios&#xff08;\u8f7b\u91cf\u544a\u8b66&#xff09;\u7b49\u5de5\u5177&#xff0c;\u5b9e\u73b0\u6307\u6807\u96c6\u4e2d\u6536\u96c6\u3001\u8d8b\u52bf\u5206\u6790\u548c\u5386\u53f2\u6570\u636e\u67e5\u8be2\u3002<br \/>\n3. **\u8bbe\u7f6e\u5173\u952e\u9608\u503c\u544a\u8b66**<br \/>\n   \u9488\u5bf9\u6838\u5fc3\u6307\u6807\u914d\u7f6e\u544a\u8b66\u9608\u503c&#xff08;\u5982 CPU \u6301\u7eed 5 \u5206\u949f\u8d85 80%\u3001\u78c1\u76d8\u7a7a\u95f4\u4e0d\u8db3 10%&#xff09;&#xff0c;\u901a\u8fc7\u90ae\u4ef6\u3001\u77ed\u4fe1\u6216\u5373\u65f6\u901a\u8baf\u5de5\u5177\u63a8\u9001\u544a\u8b66&#xff0c;\u907f\u514d\u6545\u969c\u6269\u5927\u3002\u6ce8\u610f\u907f\u514d\u544a\u8b66\u98ce\u66b4&#xff08;\u53ef\u8bbe\u7f6e\u544a\u8b66\u5408\u5e76\u6216\u5ef6\u8fdf&#xff09;\u3002<br \/>\n4. **\u76d1\u63a7\u8fdb\u7a0b\u4e0e\u670d\u52a1\u72b6\u6001**<br \/>\n   \u5b9a\u671f\u68c0\u67e5\u5173\u952e\u670d\u52a1&#xff08;\u5982 Nginx\u3001MySQL&#xff09;\u7684\u8fd0\u884c\u72b6\u6001\u3001\u8fdb\u7a0b\u6570\u53ca\u8d44\u6e90\u6d88\u8017&#xff0c;\u53ef\u901a\u8fc7 &#096;systemctl status&#096; \u6216\u81ea\u5b9a\u4e49\u811a\u672c\u5b9e\u73b0\u3002\u5bf9\u5f02\u5e38\u9000\u51fa\u7684\u8fdb\u7a0b&#xff0c;\u7ed3\u5408\u65e5\u5fd7\u6392\u67e5\u5d29\u6e83\u539f\u56e0\u3002<br \/>\n5. **\u65e5\u5fd7\u96c6\u4e2d\u7ba1\u7406\u4e0e\u5206\u6790**<br \/>\n   \u5c06\u7cfb\u7edf\u65e5\u5fd7&#xff08;&#096;\/var\/log\/messages&#096;&#xff09;\u3001\u5e94\u7528\u65e5\u5fd7\u96c6\u4e2d\u5b58\u50a8&#xff08;\u5982\u4f7f\u7528 ELK \u6808&#xff09;&#xff0c;\u5173\u6ce8\u9519\u8bef\u4fe1\u606f&#xff08;&#096;ERROR&#096; \u7ea7\u522b&#xff09;\u3001\u767b\u5f55\u5f02\u5e38&#xff08;&#096;\/var\/log\/auth.log&#096;&#xff09;\u548c\u78c1\u76d8\u9519\u8bef&#xff08;&#096;dmesg | grep error&#096;&#xff09;&#xff0c;\u5fc5\u8981\u65f6\u914d\u7f6e\u65e5\u5fd7\u544a\u8b66\u89c4\u5219\u3002<br \/>\n6. **\u78c1\u76d8\u5065\u5eb7\u76d1\u63a7**<br \/>\n   \u9664\u7a7a\u95f4\u4f7f\u7528\u7387\u5916&#xff0c;\u9700\u5173\u6ce8\u78c1\u76d8\u574f\u5757&#xff08;&#096;smartctl&#096; \u5de5\u5177\u68c0\u6d4b S.M.A.R.T \u4fe1\u606f&#xff09;\u548c\u6587\u4ef6\u7cfb\u7edf\u5b8c\u6574\u6027&#xff08;\u5b9a\u671f\u8fd0\u884c &#096;fsck&#096;&#xff0c;\u975e\u6302\u8f7d\u72b6\u6001\u4e0b&#xff09;&#xff0c;\u907f\u514d\u786c\u4ef6\u6545\u969c\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002<br \/>\n7. **\u7f51\u7edc\u4e0e\u5b89\u5168\u76d1\u63a7**<br \/>\n   \u76d1\u63a7\u7aef\u53e3\u5f00\u653e\u72b6\u6001&#xff08;&#096;netstat&#096;\/&#096;ss&#096;&#xff09;\u3001\u5f02\u5e38\u8fde\u63a5&#xff08;\u5c24\u5176\u662f\u5916\u90e8 IP \u7684\u9ad8\u9891\u8bbf\u95ee&#xff09;\u548c\u9632\u706b\u5899\u89c4\u5219\u751f\u6548\u60c5\u51b5\u3002\u53ef\u7ed3\u5408 &#096;tcpdump&#096; \u6293\u5305\u5206\u6790\u53ef\u7591\u6d41\u91cf\u3002<br \/>\n8. **\u5b9a\u671f\u6027\u80fd\u57fa\u7ebf\u5206\u6790**<br \/>\n   \u8bb0\u5f55\u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\u65f6\u7684\u6307\u6807\u57fa\u7ebf&#xff08;\u5982\u5e73\u5747\u8d1f\u8f7d\u3001\u5185\u5b58\u4f7f\u7528\u5cf0\u503c&#xff09;&#xff0c;\u5f53\u6307\u6807\u504f\u79bb\u57fa\u7ebf\u65f6\u53ca\u65f6\u6392\u67e5&#xff0c;\u907f\u514d\u5fae\u5c0f\u5f02\u5e38\u7d2f\u79ef\u6210\u6545\u969c\u3002<br \/>\n9. **\u81ea\u52a8\u5316\u76d1\u63a7\u811a\u672c**<br \/>\n   \u5bf9\u4e2a\u6027\u5316\u9700\u6c42&#xff08;\u5982\u7279\u5b9a\u76ee\u5f55\u6587\u4ef6\u6570\u3001\u5e94\u7528\u54cd\u5e94\u65f6\u95f4&#xff09;&#xff0c;\u7f16\u5199 Shell \u6216 Python \u811a\u672c\u5b9a\u671f\u6267\u884c\u68c0\u67e5&#xff0c;\u8f93\u51fa\u7ed3\u679c\u81f3\u76d1\u63a7\u7cfb\u7edf\u6216\u76f4\u63a5\u89e6\u53d1\u544a\u8b66\u3002<br \/>\n10. **\u76d1\u63a7\u6743\u9650\u4e0e\u5b89\u5168**<br \/>\n    \u9650\u5236\u76d1\u63a7\u5de5\u5177\u7684\u6743\u9650&#xff08;\u5982\u4ec5\u6388\u4e88\u8bfb\u53d6\u65e5\u5fd7\u548c\u6307\u6807\u7684\u6743\u9650&#xff09;&#xff0c;\u52a0\u5bc6\u4f20\u8f93\u76d1\u63a7\u6570\u636e&#xff0c;\u9632\u6b62\u76d1\u63a7\u7cfb\u7edf\u672c\u8eab\u6210\u4e3a\u5b89\u5168\u8584\u5f31\u70b9\u3002<\/p>\n<p>\u901a\u8fc7\u5206\u5c42\u76d1\u63a7&#xff08;\u57fa\u7840\u6307\u6807\u2192\u670d\u52a1\u72b6\u6001\u2192\u4e1a\u52a1\u6027\u80fd&#xff09;\u548c\u4e3b\u52a8\u9884\u8b66&#xff0c;\u53ef\u663e\u8457\u63d0\u5347\u7cfb\u7edf\u7a33\u5b9a\u6027\u548c\u6545\u969c\u54cd\u5e94\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u8fdb\u7a0b\u7ba1\u7406<br \/>\n\u8fdb\u7a0b\u4ecb\u7ecd<br \/>\n\u8865\u5145&#xff1a;<br \/>\n\u7a0b\u5e8f&#xff1a;\u6ca1\u6709\u8fd0\u884c\u7684\u53ef\u6267\u884c\u6587\u4ef6\u3002\u8f6f\u4ef6&#xff1a;\u5305\u542b\u7a0b\u5e8f\u3001\u624b\u518c\u3001\u914d\u7f6e\u6587\u4ef6\u7b49\u5168\u5957\u7684\u4e1c\u897f\u3002\u8f6f\u4ef6\u5de5\u7a0b\u3002\u8fdb\u7a0b&#xff1a;\u7a0b\u5e8f\u8fd0\u884c\u540e&#xff0c;\u4f1a\u4f7f\u7528cpu\u3001\u5185\u5b58\u3001\u78c1\u76d8\u3001\u7f51\u7edc\u7b49\u8d44\u6e90\u3002\u7ebf\u7a0b&#xff1a;\u5c06\u7a0b\u5e8f\u5212\u5206\u6210\u66f4\u5c0f\u7684\u6267\u884c\u5355\u5143\u3002<br \/>\n\u8fdb\u7a0b\u662f\u4ec0\u4e48<br \/>\n\u8fdb\u7a0b\u662f\u5df2\u542f\u52a8\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u7684\u8fd0\u884c\u4e2d\u5b9e\u4f8b\u3002<br \/>\n\u8fdb\u7a0b\u7531\u4ee5\u4e0b\u7ec4\u6210\u90e8\u5206&#xff1a;<br \/>\n\u5df2\u5206\u914d\u5185\u5b58\u7684\u5730\u5740\u7a7a\u95f4\u5b89\u5168\u5c5e\u6027&#xff0c;\u5305\u62ec\u6240\u6709\u6743\u51ed\u636e\u548c\u7279\u6743\u7a0b\u5e8f\u4ee3\u7801\u7684\u4e00\u4e2a\u6216<\/p>\n","protected":false},"author":2,"featured_media":87796,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43,44],"topic":[],"class_list":["post-87803","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5f6d\u4e8e\u664f\u4e00\u4e2a\u6708\u5e26\u4f60\u73a9\u8f6cLinux\u64cd\u4f5c\u7cfb\u7edf5 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/87803.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5f6d\u4e8e\u664f\u4e00\u4e2a\u6708\u5e26\u4f60\u73a9\u8f6cLinux\u64cd\u4f5c\u7cfb\u7edf5 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"Linux \u8fdb\u7a0b\u7ba1\u7406 \u8fdb\u7a0b\u4ecb\u7ecd \u8865\u5145&#xff1a; \u7a0b\u5e8f&#xff1a;\u6ca1\u6709\u8fd0\u884c\u7684\u53ef\u6267\u884c\u6587\u4ef6\u3002\u8f6f\u4ef6&#xff1a;\u5305\u542b\u7a0b\u5e8f\u3001\u624b\u518c\u3001\u914d\u7f6e\u6587\u4ef6\u7b49\u5168\u5957\u7684\u4e1c\u897f\u3002\u8f6f\u4ef6\u5de5\u7a0b\u3002\u8fdb\u7a0b&#xff1a;\u7a0b\u5e8f\u8fd0\u884c\u540e&#xff0c;\u4f1a\u4f7f\u7528cpu\u3001\u5185\u5b58\u3001\u78c1\u76d8\u3001\u7f51\u7edc\u7b49\u8d44\u6e90\u3002\u7ebf\u7a0b&#xff1a;\u5c06\u7a0b\u5e8f\u5212\u5206\u6210\u66f4\u5c0f\u7684\u6267\u884c\u5355\u5143\u3002 \u8fdb\u7a0b\u662f\u4ec0\u4e48 \u8fdb\u7a0b\u662f\u5df2\u542f\u52a8\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u7684\u8fd0\u884c\u4e2d\u5b9e\u4f8b\u3002 \u8fdb\u7a0b\u7531\u4ee5\u4e0b\u7ec4\u6210\u90e8\u5206&#xff1a; \u5df2\u5206\u914d\u5185\u5b58\u7684\u5730\u5740\u7a7a\u95f4\u5b89\u5168\u5c5e\u6027&#xff0c;\u5305\u62ec\u6240\u6709\u6743\u51ed\u636e\u548c\u7279\u6743\u7a0b\u5e8f\u4ee3\u7801\u7684\u4e00\u4e2a\u6216\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/87803.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-30T14:33:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260730143322-6a6b60b2879e0.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"16 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/87803.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/87803.html\",\"name\":\"\u5f6d\u4e8e\u664f\u4e00\u4e2a\u6708\u5e26\u4f60\u73a9\u8f6cLinux\u64cd\u4f5c\u7cfb\u7edf5 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-07-30T14:33:26+00:00\",\"dateModified\":\"2026-07-30T14:33:26+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/87803.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/87803.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/87803.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u5f6d\u4e8e\u664f\u4e00\u4e2a\u6708\u5e26\u4f60\u73a9\u8f6cLinux\u64cd\u4f5c\u7cfb\u7edf5\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u5f6d\u4e8e\u664f\u4e00\u4e2a\u6708\u5e26\u4f60\u73a9\u8f6cLinux\u64cd\u4f5c\u7cfb\u7edf5 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/87803.html","og_locale":"zh_CN","og_type":"article","og_title":"\u5f6d\u4e8e\u664f\u4e00\u4e2a\u6708\u5e26\u4f60\u73a9\u8f6cLinux\u64cd\u4f5c\u7cfb\u7edf5 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"Linux \u8fdb\u7a0b\u7ba1\u7406 \u8fdb\u7a0b\u4ecb\u7ecd \u8865\u5145&#xff1a; \u7a0b\u5e8f&#xff1a;\u6ca1\u6709\u8fd0\u884c\u7684\u53ef\u6267\u884c\u6587\u4ef6\u3002\u8f6f\u4ef6&#xff1a;\u5305\u542b\u7a0b\u5e8f\u3001\u624b\u518c\u3001\u914d\u7f6e\u6587\u4ef6\u7b49\u5168\u5957\u7684\u4e1c\u897f\u3002\u8f6f\u4ef6\u5de5\u7a0b\u3002\u8fdb\u7a0b&#xff1a;\u7a0b\u5e8f\u8fd0\u884c\u540e&#xff0c;\u4f1a\u4f7f\u7528cpu\u3001\u5185\u5b58\u3001\u78c1\u76d8\u3001\u7f51\u7edc\u7b49\u8d44\u6e90\u3002\u7ebf\u7a0b&#xff1a;\u5c06\u7a0b\u5e8f\u5212\u5206\u6210\u66f4\u5c0f\u7684\u6267\u884c\u5355\u5143\u3002 \u8fdb\u7a0b\u662f\u4ec0\u4e48 \u8fdb\u7a0b\u662f\u5df2\u542f\u52a8\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u7684\u8fd0\u884c\u4e2d\u5b9e\u4f8b\u3002 \u8fdb\u7a0b\u7531\u4ee5\u4e0b\u7ec4\u6210\u90e8\u5206&#xff1a; \u5df2\u5206\u914d\u5185\u5b58\u7684\u5730\u5740\u7a7a\u95f4\u5b89\u5168\u5c5e\u6027&#xff0c;\u5305\u62ec\u6240\u6709\u6743\u51ed\u636e\u548c\u7279\u6743\u7a0b\u5e8f\u4ee3\u7801\u7684\u4e00\u4e2a\u6216","og_url":"https:\/\/www.wsisp.com\/helps\/87803.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-07-30T14:33:26+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260730143322-6a6b60b2879e0.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"16 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/87803.html","url":"https:\/\/www.wsisp.com\/helps\/87803.html","name":"\u5f6d\u4e8e\u664f\u4e00\u4e2a\u6708\u5e26\u4f60\u73a9\u8f6cLinux\u64cd\u4f5c\u7cfb\u7edf5 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-07-30T14:33:26+00:00","dateModified":"2026-07-30T14:33:26+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/87803.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/87803.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/87803.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u5f6d\u4e8e\u664f\u4e00\u4e2a\u6708\u5e26\u4f60\u73a9\u8f6cLinux\u64cd\u4f5c\u7cfb\u7edf5"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/87803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=87803"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/87803\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/87796"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=87803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=87803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=87803"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=87803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}