{"id":46437,"date":"2025-07-30T03:12:07","date_gmt":"2025-07-29T19:12:07","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/46437.html"},"modified":"2025-07-30T03:12:07","modified_gmt":"2025-07-29T19:12:07","slug":"linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%bd%91%e7%bb%9c%e8%bf%9e%e6%8e%a5%e6%95%85%e9%9a%9c%e6%8e%92%e9%99%a4%ef%bc%9a%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/46437.html","title":{"rendered":"Linux \u670d\u52a1\u5668\u7f51\u7edc\u8fde\u63a5\u6545\u969c\u6392\u9664\uff1a\u5b8c\u6574\u6307\u5357"},"content":{"rendered":"<p>\u5f53 Linux \u670d\u52a1\u5668\u4f3c\u4e4e\u79bb\u7ebf\u6216\u65e0\u6cd5\u8bbf\u95ee\u65f6&#xff0c;\u60a8\u5e94\u8be5\u59cb\u7ec8\u80fd\u591f\u901a\u8fc7 UpCloud \u63a7\u5236\u9762\u677f\u7684 Web \u63a7\u5236\u53f0\u6216\u901a\u8fc7 VNC \u8fde\u63a5\u767b\u5f55\u3002\u767b\u5f55\u540e&#xff0c;\u4f7f\u7528 ping \u548c\u516c\u5171 IP \u5730\u5740&#xff08;\u4f8b\u5982 Google \u7684\u516c\u5171 DNS \u670d\u52a1\u5668&#xff09;\u6d4b\u8bd5\u670d\u52a1\u5668\u7684\u4e92\u8054\u7f51\u8fde\u63a5&#xff0c;\u5982\u679c\u4e92\u8054\u7f51\u8fde\u63a5\u6b63\u5e38&#xff0c;\u8fd9\u5f88\u53ef\u80fd\u4f1a\u5f97\u5230\u56de\u590d\u3002<\/p>\n<p><span class=\"token function\">ping<\/span> <span class=\"token parameter variable\">-c<\/span> <span class=\"token number\">4<\/span> <span class=\"token number\">8.8<\/span>.8.8<\/p>\n<p>\u8f93\u51fa\u7ed3\u679c\u5e94\u7c7b\u4f3c\u4ee5\u4e0b\u5185\u5bb9&#xff1a;<\/p>\n<p>PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.<br \/>\n64 bytes from 8.8.8.8: icmp_seq&#061;1 ttl&#061;58 time&#061;1.68 ms<br \/>\n64 bytes from 8.8.8.8: icmp_seq&#061;2 ttl&#061;58 time&#061;1.70 ms<br \/>\n64 bytes from 8.8.8.8: icmp_seq&#061;3 ttl&#061;58 time&#061;1.71 ms<br \/>\n64 bytes from 8.8.8.8: icmp_seq&#061;4 ttl&#061;58 time&#061;1.69 ms<\/p>\n<p>&#8212; 8.8.8.8 ping statistics &#8212;<br \/>\n4 packets transmitted, 4 received, 0% packet loss, time 3005ms<br \/>\nrtt min\/avg\/max\/mdev &#061; 1.686\/1.699\/1.718\/0.051 ms<\/p>\n<p>\u5982\u679c\u670d\u52a1\u5668\u65e0\u6cd5\u5230\u8fbe\u76ee\u7684\u5730&#xff0c;\u5219\u53ef\u80fd\u662f\u914d\u7f6e\u95ee\u9898\u3002\u8bf7\u6309\u7167\u6b64\u5904\u63cf\u8ff0\u7684\u6b65\u9aa4\u6392\u9664 Linux \u4e91\u670d\u52a1\u5668\u6700\u5e38\u89c1\u7684\u7f51\u7edc\u95ee\u9898\u3002<\/p>\n<h3>\u68c0\u67e5\u7f51\u7edc\u914d\u7f6e<\/h3>\n<p>\u5982\u679c\u60a8\u7684 Linux \u670d\u52a1\u5668\u65e0\u6cd5\u8bbf\u95ee&#xff0c;\u8bf7\u9996\u5148\u68c0\u67e5\u7f51\u7edc\u63a5\u53e3\u3002\u4f7f\u7528 ip addr \u547d\u4ee4\u67e5\u770b\u6240\u6709\u63a5\u53e3\u7684\u72b6\u6001&#xff0c;\u786e\u4fdd\u5173\u952e\u8fde\u63a5&#xff08;\u5982 eth0&#xff09;\u5df2\u542f\u7528\u3002\u5982\u679c\u53d1\u73b0\u4efb\u4f55\u63a5\u53e3\u88ab\u7981\u7528&#xff0c;\u8bf7\u4f7f\u7528 ifup \u6fc0\u6d3b\u5b83\u4eec\u3002\u901a\u8fc7\u4f7f\u7528 ifdown &#8211;force \u548c ifup \u547d\u4ee4\u91cd\u65b0\u542f\u52a8\u63a5\u53e3\u6765\u89e3\u51b3\u6301\u7eed\u5b58\u5728\u7684\u95ee\u9898\u3002<\/p>\n<p>\u786e\u4fdd\u7f51\u7edc\u63a5\u53e3&#xff08;\u4f8b\u5982 eth0&#xff09;\u5df2\u542f\u7528\u3002\u8981\u67e5\u770b\u6240\u6709\u5df2\u914d\u7f6e\u7684\u63a5\u53e3&#xff0c;\u8bf7\u4f7f\u7528\u6b64\u547d\u4ee4&#xff1a;<\/p>\n<p><span class=\"token function\">ip<\/span> addr<\/p>\n<p>\u547d\u4ee4\u7684\u8f93\u51fa\u5c06\u663e\u793a\u670d\u52a1\u5668\u4e0a\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u7684\u72b6\u6001&#xff0c;\u4f8b\u5982&#xff0c;\u5982\u4e0b\u6240\u793a\u4e3a\u201cstate UP\u201d\u6216\u201cstate DOWN\u201d&#xff1a;<\/p>\n<p>2: eth0: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc pfifo_fast state UP group default qlen 1000<\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6253\u5f00\u4efb\u4f55\u7981\u7528\u7684\u63a5\u53e3&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">ifup<\/span> <span class=\"token operator\">&lt;<\/span>interface name<span class=\"token operator\">&gt;<\/span><\/p>\n<p>\u8fd9\u91cc\u7684\u63a5\u53e3\u540d\u79f0\u662f ip addr \u547d\u4ee4\u8f93\u51fa\u4e2d\u5217\u51fa\u7684\u540d\u79f0\u4e4b\u4e00&#xff0c;\u4f8b\u5982 eth0\u3001eth1 \u6216 eth2\u3002<\/p>\n<p>\u5f53\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u90fd\u5df2\u542f\u7528\u540e&#xff0c;\u8bf7\u518d\u6b21\u5c1d\u8bd5\u4f7f\u7528 ping \u547d\u4ee4\u3002\u5982\u679c\u95ee\u9898\u4ecd\u7136\u5b58\u5728&#xff0c;\u8bf7\u68c0\u67e5\u7f51\u7edc\u63a5\u53e3\u662f\u5426\u5df2\u5206\u914d IP&#xff0c;\u5e76\u4e14\u5b83\u4eec\u4e0e UpCloud \u63a7\u5236\u9762\u677f\u7684\u7f51\u7edc\u90e8\u5206&#xff1a;https:\/\/upcloud.com\/resources\/tutorials\/troubleshoot-network-connectivity-linux-server\/#network-section\u4e2d\u7684\u4fe1\u606f\u5339\u914d\u3002<\/p>\n<p>\u5c1d\u8bd5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u65b0\u542f\u52a8\u4efb\u4f55\u6709\u95ee\u9898\u7684\u63a5\u53e3&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">ifdown<\/span> <span class=\"token operator\">&lt;<\/span>interface name<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token function\">sudo<\/span> <span class=\"token function\">ifup<\/span> <span class=\"token operator\">&lt;<\/span>interface name<span class=\"token operator\">&gt;<\/span><\/p>\n<p>\u5982\u679c\u5176\u4e2d\u4efb\u4f55\u4e00\u4e2a\u547d\u4ee4\u5931\u8d25&#xff0c;\u5219\u63a5\u53e3\u53ef\u80fd\u5904\u4e8e\u547d\u4ee4\u811a\u672c\u672a\u77e5\u7684\u72b6\u6001\u3002\u8bf7\u5c1d\u8bd5\u518d\u6b21\u4f7f\u7528 &#8211;force \u53c2\u6570\u6267\u884c\u76f8\u540c\u7684\u547d\u4ee4\u4ee5\u89e3\u51b3\u6b64\u7c7b\u95ee\u9898&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">ifdown<\/span> <span class=\"token parameter variable\">&#8211;force<\/span> <span class=\"token operator\">&lt;<\/span>interface name<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token function\">sudo<\/span> <span class=\"token function\">ifup<\/span> <span class=\"token operator\">&lt;<\/span>interface name<span class=\"token operator\">&gt;<\/span><\/p>\n<p>\u5982\u679c\u91cd\u65b0\u542f\u52a8\u7f51\u7edc\u63a5\u53e3\u89e3\u51b3\u4e86\u95ee\u9898&#xff0c;\u90a3\u5c31\u592a\u597d\u4e86&#xff01;\u5982\u679c\u4e0d\u662f&#xff0c;\u8bf7\u7ee7\u7eed\u8fdb\u884c\u6545\u969c\u6392\u9664\u3002<\/p>\n<h3>\u68c0\u67e5\u7f51\u7edc\u914d\u7f6e\u6587\u4ef6<\/h3>\n<p>Linux \u901a\u5e38\u5c06\u7f51\u7edc\u8bbe\u7f6e\u5b58\u50a8\u5728\u7279\u5b9a\u6587\u4ef6\u4e2d&#xff0c;\u5e76\u5728\u542f\u52a8\u65f6\u6216\u4f7f\u7528 ifup \u547d\u4ee4\u65f6\u8bfb\u53d6\u5b83\u4eec\u3002\u8981\u66f4\u6539\u7f51\u7edc\u914d\u7f6e&#xff0c;\u60a8\u9700\u8981\u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\u6253\u5f00\u6b63\u786e\u7684\u6587\u4ef6\u3002\u5728\u57fa\u4e8e Debian \u548c Ubuntu \u7684\u53d1\u884c\u7248\u4e2d&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b8c\u6210\u6b64\u64cd\u4f5c&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">nano<\/span> \/etc\/network\/interfaces<\/p>\n<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b&#xff0c;\u63a5\u53e3\u6587\u4ef6\u5e94\u5217\u51fa\u4ee5\u4e0b\u63a5\u53e3&#xff1a;<\/p>\n<p>auto lo<br \/>\niface lo inet loopback<\/p>\n<p>auto eth0<br \/>\niface eth0 inet dhcp<\/p>\n<p>auto eth1<br \/>\niface eth1 inet dhcp<\/p>\n<p>\u5728 CentOS \u548c\u5176\u4ed6 Red Hat \u53d8\u4f53\u4e2d&#xff0c;\u8fd9\u4e9b\u914d\u7f6e\u88ab\u62c6\u5206\u4e3a\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u7684\u5355\u72ec\u6587\u4ef6&#xff0c;\u5e76\u5b58\u50a8\u5728 \/etc\/sysconfig\/network-scripts\/ \u4e2d\u3002\u4e92\u8054\u7f51\u8fde\u63a5\u7684\u9ed8\u8ba4\u63a5\u53e3\u901a\u5e38\u79f0\u4e3a eth0&#xff0c;\u5b83\u4f1a\u6253\u5f00\u76f8\u5e94\u7684\u914d\u7f6e\u6587\u4ef6&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">vi<\/span> \/etc\/sysconfig\/network-scripts\/ifcfg-eth0<\/p>\n<p>eth0 \u7684\u914d\u7f6e\u6587\u4ef6\u5e94\u5982\u4e0b\u6240\u793a&#xff1a;<\/p>\n<p>DEVICE&#061;eth0<br \/>\nBOOTPROTO&#061;dhcp<br \/>\nONBOOT&#061;yes<\/p>\n<p>\u5982\u679c\u63a5\u53e3\u914d\u7f6e\u6587\u4ef6\u4e0e\u6b64\u5904\u793a\u4f8b\u4e0d\u5339\u914d&#xff0c;\u8bf7\u7f16\u8f91\u7279\u5b9a\u4e8e\u60a8\u7cfb\u7edf\u7684\u6587\u4ef6\u4ee5\u6062\u590d\u539f\u59cb\u529f\u80fd\u3002\u8981\u4f7f\u5bf9\u8fd9\u4e9b\u6587\u4ef6\u6240\u505a\u7684\u4efb\u4f55\u66f4\u6539\u751f\u6548&#xff0c;\u60a8\u5fc5\u987b\u6309\u7167\u524d\u9762\u4f7f\u7528 ifdown \u548c ifup \u547d\u4ee4\u6240\u8ff0\u91cd\u65b0\u542f\u52a8\u5e94\u7528\u66f4\u6539\u7684\u63a5\u53e3\u3002<\/p>\n<h3>\u68c0\u67e5\u670d\u52a1\u5668\u7684 DNS \u8bb0\u5f55<\/h3>\n<p>\u5982\u679c\u60a8\u7684\u670d\u52a1\u5668\u53ef\u4ee5 ping IP \u4f46\u65e0\u6cd5\u8fde\u63a5\u5230\u57df&#xff0c;\u5219\u53ef\u80fd\u662f DNS \u95ee\u9898\u3002\u4f7f\u7528 ping upcloud.com \u6d4b\u8bd5\u57df\u540d\u89e3\u6790&#xff0c;\u5e76\u4f7f\u7528 sudo cat \/etc\/resolv.conf \u68c0\u67e5 DNS \u914d\u7f6e\u3002\u786e\u4fdd\u60a8\u7684 DNS \u670d\u52a1\u5668&#xff08;\u4f8b\u5982 UpCloud \u7684\u89e3\u6790\u5668&#xff09;\u5728\u6b64\u6587\u4ef6\u6216\u901a\u8fc7\u60a8\u7684\u7f51\u7edc\u63a5\u53e3\u6587\u4ef6\u6b63\u786e\u914d\u7f6e\u3002<\/p>\n<p><span class=\"token function\">ping<\/span> upcloud.com<\/p>\n<p>\u5982\u679c\u57df\u6ca1\u6709\u56de\u590d&#xff0c;\u95ee\u9898\u5f88\u53ef\u80fd\u51fa\u5728\u670d\u52a1\u5668\u5982\u4f55\u5c06\u57df\u540d\u89e3\u6790\u4e3a IP \u5730\u5740\u3002\u68c0\u67e5\u670d\u52a1\u5668\u7684 DNS \u8bb0\u5f55&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">cat<\/span> \/etc\/resolv.conf<\/p>\n<p>\u5217\u8868\u5e94\u81f3\u5c11\u5305\u542b 1 \u4e2a\u540d\u79f0\u670d\u52a1\u5668\u3002UpCloud \u7684\u6240\u6709\u9ed8\u8ba4 DNS \u89e3\u6790\u5668\u65e0\u8bba\u53ef\u7528\u533a\u5982\u4f55\u90fd\u5177\u6709\u76f8\u540c\u7684 IP \u5730\u5740\u3002DNS \u670d\u52a1\u5668\u7531 DHCP \u534f\u8bae\u81ea\u52a8\u63d0\u4f9b&#xff0c;\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u65e0\u9700\u624b\u52a8\u914d\u7f6e\u3002<\/p>\n<p>UpCloud DNS \u89e3\u6790\u5668 IPv4 \u5730\u5740\u4e3a&#xff1a;<\/p>\n<ul>\n<li>94.237.127.9<\/li>\n<li>94.237.40.9<\/li>\n<\/ul>\n<p>\u5982\u679c\u60a8\u7684\u670d\u52a1\u5668\u5177\u6709\u516c\u5171 IPv6 \u5730\u5740&#xff0c;\u60a8\u8fd8\u53ef\u4ee5\u5c06 IPv6 \u4e0e\u4ee5\u4e0b\u670d\u52a1\u5668\u4e00\u8d77\u4f7f\u7528&#xff1a;<\/p>\n<ul>\n<li>2a04:3540:53::1<\/li>\n<li>2a04:3544:53::1<\/li>\n<\/ul>\n<p>\u5982\u679c\u5217\u8868\u4e3a\u7a7a&#xff0c;\u8bf7\u52ff\u624b\u52a8\u7f16\u8f91&#xff0c;\u56e0\u4e3a\u5982\u679c\u60a8\u5b89\u88c5\u4e86\u540d\u79f0\u670d\u52a1\u5668\u7ba1\u7406\u5668&#xff0c;\u60a8\u6240\u505a\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u5c06\u88ab\u8fd8\u539f\u3002\u76f8\u53cd&#xff0c;\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528\u6b64\u547d\u4ee4\u5728 Ubuntu \u548c\u67d0\u4e9b Debian \u7cfb\u7edf\u4e0a\u66f4\u65b0\u5b83&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> resolvconf <span class=\"token parameter variable\">-u<\/span><\/p>\n<p>\u5728\u672a\u5b89\u88c5 resolvconf \u7684 Debian \u670d\u52a1\u5668\u4e0a&#xff0c;\u60a8\u53ef\u4ee5\u76f4\u63a5\u7f16\u8f91 resolv.conf \u6587\u4ef6&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">nano<\/span> \/etc\/resolv.conf<\/p>\n<p>\u5c06\u4ee5\u4e0b\u884c\u6dfb\u52a0\u5230\u6587\u4ef6&#xff0c;\u4fdd\u5b58\u5e76\u9000\u51fa&#xff1a;<\/p>\n<p>nameserver 94.237.127.9<br \/>\nnameserver 94.237.40.9<\/p>\n<p>\u5bf9\u4e8e\u90a3\u4e9b\u5b89\u88c5\u4e86 resolvconf \u7684\u7528\u6237&#xff0c;\u5982\u679c\u66f4\u65b0\u547d\u4ee4\u540e resolv.conf \u4ecd\u7136\u4e3a\u7a7a&#xff0c;\u60a8\u53ef\u4ee5\u5c06\u540d\u79f0\u670d\u52a1\u5668\u6dfb\u52a0\u5230\u60a8\u7684\u63a5\u53e3\u6587\u4ef6\u3002\u6253\u5f00\u5b83\u8fdb\u884c\u7f16\u8f91&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">nano<\/span> \/etc\/network\/interfaces<\/p>\n<p>\u5728 eth0 \u90e8\u5206\u7684\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u540d\u79f0\u670d\u52a1\u5668&#xff1a;<\/p>\n<p>auto eth0<br \/>\niface eth0 inet dhcp<br \/>\ndns-nameservers 94.237.127.9<\/p>\n<p>\u4e4b\u540e&#xff0c;\u4fdd\u5b58\u6587\u4ef6\u5e76\u9000\u51fa\u3002\u60a8\u8fd8\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u65b0\u542f\u52a8\u7f51\u7edc\u670d\u52a1&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">service<\/span> networking restart<\/p>\n<p>\u5728 CentOS \u548c\u5176\u4ed6 Red Hat \u53d8\u4f53\u4e2d&#xff0c;resolv.conf \u6587\u4ef6\u7684\u586b\u5145\u65b9\u5f0f\u7565\u6709\u4e0d\u540c&#xff0c;\u5982\u679c\u6587\u4ef6\u4e3a\u7a7a&#xff0c;\u60a8\u53ef\u4ee5\u5728\u8d1f\u8d23\u516c\u5171 IP \u7684\u7f51\u7edc\u63a5\u53e3\u7684\u7f51\u7edc\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u6700\u591a\u4e24\u4e2a DNS \u6761\u76ee\u3002\u4f8b\u5982&#xff0c;\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6253\u5f00 ifcfg-eth0&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">vi<\/span> \/etc\/sysconfig\/network-scripts\/ifcfg-eth0<\/p>\n<p>\u7f16\u8f91\u6587\u4ef6\u4f7f\u5176\u770b\u8d77\u6765\u50cf\u8fd9\u6837&#xff1a;<\/p>\n<p>DEVICE&#061;eth0<br \/>\nBOOTPROTO&#061;dhcp<br \/>\nONBOOT&#061;yes<br \/>\nDNS1&#061;94.237.127.9<br \/>\nDNS2&#061;94.237.40.9<\/p>\n<p>\u9000\u51fa\u7f16\u8f91\u5668\u5e76\u4f7f\u7528 ifdown \u548c ifup \u547d\u4ee4\u91cd\u65b0\u542f\u52a8\u60a8\u521a\u521a\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6\u7684\u63a5\u53e3\u3002<\/p>\n<h3>\u53cc\u5411\u6d4b\u8bd5\u8fde\u63a5<\/h3>\n<p>\u5c1d\u8bd5\u901a\u8fc7\u4e92\u8054\u7f51 ping \u60a8\u7684\u670d\u52a1\u5668\u3002\u5728\u60a8\u81ea\u5df1\u7684\u8ba1\u7b97\u673a\u4e0a\u6253\u5f00\u7ec8\u7aef\u6216\u547d\u4ee4\u63d0\u793a\u7b26&#xff0c;\u7136\u540e\u5c1d\u8bd5 ping \u60a8\u7684\u670d\u52a1\u5668\u7684\u516c\u5171 IP&#xff0c;\u60a8\u53ef\u4ee5\u5728 UpCloud \u63a7\u5236\u9762\u677f\u7684\u7f51\u7edc\u90e8\u5206&#xff1a;https:\/\/upcloud.com\/resources\/tutorials\/troubleshoot-network-connectivity-linux-server\/#network-section\u4e0b\u627e\u5230\u5b83\u3002<\/p>\n<p>\u5728\u60a8\u81ea\u5df1\u7684\u8ba1\u7b97\u673a\u4e0a&#xff1a;ping &lt;server public IP&gt;<\/p>\n<p>\u901a\u8fc7\u4ece\u60a8\u7684\u670d\u52a1\u5668 ping \u53e6\u4e00\u4e2a\u7ad9\u70b9\u6765\u6d4b\u8bd5\u4e92\u8054\u7f51\u8fde\u63a5\u3002\u4f8b\u5982&#xff0c;\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4 ping Google \u7684\u516c\u5171 DNS&#xff1a;<\/p>\n<p><span class=\"token function\">ping<\/span> <span class=\"token number\">8.8<\/span>.8.8<\/p>\n<p>\u5982\u679c\u60a8\u5728\u60a8\u7684\u5e10\u6237\u4e0a\u90e8\u7f72\u4e86\u7b2c\u4e8c\u53f0\u670d\u52a1\u5668&#xff0c;\u5e76\u4e14\u95ee\u9898\u51fa\u5728\u5206\u914d\u4e86\u79c1\u6709 IP \u5730\u5740\u7684\u63a5\u53e3\u4e0a&#xff0c;\u8bf7\u5c1d\u8bd5\u4f7f\u7528 UpCloud \u63a7\u5236\u9762\u677f\u4e2d\u5217\u51fa\u7684\u79c1\u6709 IP \u4ece\u60a8\u7684\u5176\u4ed6\u670d\u52a1\u5668 ping \u5b83\u3002<\/p>\n<p>\u5982\u679c ping \u672a\u80fd\u6536\u5230\u56de\u590d&#xff0c;\u5219\u95ee\u9898\u53ef\u80fd\u51fa\u5728\u670d\u52a1\u5668\u7684\u7f51\u7edc\u914d\u7f6e\u6216\u9632\u706b\u5899\u3002\u5982\u679c\u60a8\u53ef\u4ee5\u4ece\u672c\u5730\u8ba1\u7b97\u673a ping \u670d\u52a1\u5668&#xff0c;\u4f46\u4e0d\u80fd\u4ece\u670d\u52a1\u5668\u672c\u8eab ping&#xff0c;\u5219\u95ee\u9898\u53ef\u80fd\u51fa\u5728\u670d\u52a1\u5668\u7684\u51fa\u7ad9\u7f51\u7edc\u914d\u7f6e\u3002<\/p>\n<h3>\u68c0\u67e5\u9632\u706b\u5899<\/h3>\n<p>\u5982\u679c\u60a8\u7684\u670d\u52a1\u5668\u7f51\u7edc\u914d\u7f6e\u6b63\u786e\u4f46\u4ecd\u7136\u65e0\u6cd5\u8fde\u63a5&#xff0c;\u5219\u9632\u706b\u5899\u53ef\u80fd\u4f1a\u963b\u6b62\u6d41\u91cf\u3002\u4f7f\u7528 sudo iptables -L -n \u68c0\u67e5 iptables \u89c4\u5219&#xff0c;\u6216\u4f7f\u7528 sudo firewall-cmd &#8211;list-all \u68c0\u67e5 firewalld\u3002\u4f7f\u7528 sudo systemctl stop firewalld \u6216 sudo iptables -F \u6682\u65f6\u7981\u7528\u9632\u706b\u5899&#xff0c;\u4ee5\u67e5\u770b\u662f\u5426\u89e3\u51b3\u4e86\u95ee\u9898\u3002\u5982\u679c\u89e3\u51b3\u4e86&#xff0c;\u8bf7\u91cd\u65b0\u542f\u7528\u5b83\u5e76\u6dfb\u52a0\u7279\u5b9a\u89c4\u5219\u4ee5\u5141\u8bb8\u5fc5\u8981\u7684\u6d41\u91cf\u3002<\/p>\n<p>\u8981\u68c0\u67e5\u9632\u706b\u5899\u89c4\u5219&#xff0c;\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> iptables <span class=\"token parameter variable\">-L<\/span> <span class=\"token parameter variable\">-n<\/span><\/p>\n<p>\u5bf9\u4e8e firewalld&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> firewall-cmd &#8211;list-all<\/p>\n<p>\u8981\u6682\u65f6\u7981\u7528\u9632\u706b\u5899&#xff08;\u8bf7\u8c28\u614e\u4f7f\u7528&#xff09;&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> systemctl stop firewalld<br \/>\n<span class=\"token comment\"># \u6216\u8005\u5bf9\u4e8e iptables<\/span><br \/>\n<span class=\"token function\">sudo<\/span> iptables <span class=\"token parameter variable\">-F<\/span><\/p>\n<p>\u5982\u679c\u7981\u7528\u9632\u706b\u5899\u89e3\u51b3\u4e86\u95ee\u9898&#xff0c;\u60a8\u9700\u8981\u6dfb\u52a0\u7279\u5b9a\u89c4\u5219\u4ee5\u5141\u8bb8\u5fc5\u8981\u7684\u6d41\u91cf\u3002\u4f8b\u5982&#xff0c;\u8981\u5141\u8bb8 HTTP \u6d41\u91cf&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> iptables <span class=\"token parameter variable\">-A<\/span> INPUT <span class=\"token parameter variable\">-p<\/span> tcp <span class=\"token parameter variable\">&#8211;dport<\/span> <span class=\"token number\">80<\/span> <span class=\"token parameter variable\">-j<\/span> ACCEPT<\/p>\n<h3>\u68c0\u67e5\u4e22\u5305\u548c\u5ef6\u8fdf<\/h3>\n<p>\u9ad8\u4e22\u5305\u6216\u5ef6\u8fdf\u4f1a\u4e25\u91cd\u5f71\u54cd\u7f51\u7edc\u6027\u80fd\u3002\u4f7f\u7528 mtr \u8bca\u65ad\u7f51\u7edc\u8def\u5f84\u95ee\u9898&#xff0c;\u5b83\u7ed3\u5408\u4e86 ping \u548c traceroute \u529f\u80fd\u3002\u5206\u6790\u8f93\u51fa\u4ee5\u786e\u5b9a\u6570\u636e\u5305\u5728\u54ea\u91cc\u88ab\u4e22\u5f03\u6216\u5ef6\u8fdf&#xff0c;\u4ece\u800c\u6307\u793a\u8def\u7531\u5668\u6216\u7f51\u7edc\u6bb5\u7684\u6f5c\u5728\u95ee\u9898\u3002<\/p>\n<p>\u8981\u68c0\u67e5\u4e22\u5305\u548c\u5ef6\u8fdf&#xff0c;\u8bf7\u4f7f\u7528 mtr&#xff1a;<\/p>\n<p><span class=\"token function\">mtr<\/span> google.com<\/p>\n<p>\u6b64\u547d\u4ee4\u5c06\u663e\u793a\u60a8\u7684\u6570\u636e\u5305\u6240\u91c7\u7528\u7684\u8def\u5f84\u4ee5\u53ca\u6bcf\u4e2a\u8dc3\u70b9\u7684\u5ef6\u8fdf\u548c\u4e22\u5305\u3002\u67e5\u627e\u7279\u5b9a\u8dc3\u70b9\u5904\u7684\u9ad8\u4e22\u5305\u6216\u5ef6\u8fdf\u4ee5\u67e5\u660e\u95ee\u9898\u533a\u57df\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e15\u6b21\uff0c\u6536\u85cf28\u6b21\u3002\u5f53 Linux \u670d\u52a1\u5668\u4f3c\u4e4e\u79bb\u7ebf\u6216\u65e0\u6cd5\u8bbf\u95ee\u65f6\uff0c\u60a8\u5e94\u8be5\u59cb\u7ec8\u80fd\u591f\u901a\u8fc7 UpCloud \u63a7\u5236\u9762\u677f\u7684 Web \u63a7\u5236\u53f0\u6216\u901a\u8fc7 VNC \u8fde\u63a5\u767b\u5f55\u3002\u767b\u5f55\u540e\uff0c\u4f7f\u7528 ping \u548c\u516c\u5171 IP \u5730\u5740\uff08\u4f8b\u5982 Google \u7684\u516c\u5171 DNS \u670d\u52a1\u5668\uff09\u6d4b\u8bd5\u670d\u52a1\u5668\u7684\u4e92\u8054\u7f51\u8fde\u63a5\uff0c\u5982\u679c\u4e92\u8054\u7f51\u8fde\u63a5\u6b63\u5e38\uff0c\u8fd9\u5f88\u53ef\u80fd\u4f1a\u5f97\u5230\u56de\u590d\u3002\u5982\u679c\u670d\u52a1\u5668\u65e0\u6cd5\u5230\u8fbe\u76ee\u7684\u5730\uff0c\u5219\u53ef\u80fd\u662f\u914d\u7f6e\u95ee\u9898\u3002\u8bf7\u6309\u7167\u6b64\u5904\u63cf\u8ff0\u7684\u6b65\u9aa4\u6392\u9664 Linux \u4e91\u670d\u52a1\u5668\u6700\u5e38\u89c1\u7684\u7f51\u7edc\u95ee\u9898\u3002_\u600e\u4e48\u7528\u547d\u4ee4\u6392\u67e5liunx\u7cfb\u7edf\u7684\u8fde\u63a5\u95ee\u9898<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43],"topic":[],"class_list":["post-46437","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-43"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux \u670d\u52a1\u5668\u7f51\u7edc\u8fde\u63a5\u6545\u969c\u6392\u9664\uff1a\u5b8c\u6574\u6307\u5357 - \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\/46437.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux \u670d\u52a1\u5668\u7f51\u7edc\u8fde\u63a5\u6545\u969c\u6392\u9664\uff1a\u5b8c\u6574\u6307\u5357 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e15\u6b21\uff0c\u6536\u85cf28\u6b21\u3002\u5f53 Linux \u670d\u52a1\u5668\u4f3c\u4e4e\u79bb\u7ebf\u6216\u65e0\u6cd5\u8bbf\u95ee\u65f6\uff0c\u60a8\u5e94\u8be5\u59cb\u7ec8\u80fd\u591f\u901a\u8fc7 UpCloud \u63a7\u5236\u9762\u677f\u7684 Web \u63a7\u5236\u53f0\u6216\u901a\u8fc7 VNC \u8fde\u63a5\u767b\u5f55\u3002\u767b\u5f55\u540e\uff0c\u4f7f\u7528 ping \u548c\u516c\u5171 IP \u5730\u5740\uff08\u4f8b\u5982 Google \u7684\u516c\u5171 DNS \u670d\u52a1\u5668\uff09\u6d4b\u8bd5\u670d\u52a1\u5668\u7684\u4e92\u8054\u7f51\u8fde\u63a5\uff0c\u5982\u679c\u4e92\u8054\u7f51\u8fde\u63a5\u6b63\u5e38\uff0c\u8fd9\u5f88\u53ef\u80fd\u4f1a\u5f97\u5230\u56de\u590d\u3002\u5982\u679c\u670d\u52a1\u5668\u65e0\u6cd5\u5230\u8fbe\u76ee\u7684\u5730\uff0c\u5219\u53ef\u80fd\u662f\u914d\u7f6e\u95ee\u9898\u3002\u8bf7\u6309\u7167\u6b64\u5904\u63cf\u8ff0\u7684\u6b65\u9aa4\u6392\u9664 Linux \u4e91\u670d\u52a1\u5668\u6700\u5e38\u89c1\u7684\u7f51\u7edc\u95ee\u9898\u3002_\u600e\u4e48\u7528\u547d\u4ee4\u6392\u67e5liunx\u7cfb\u7edf\u7684\u8fde\u63a5\u95ee\u9898\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/46437.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-29T19:12:07+00:00\" \/>\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=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/46437.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/46437.html\",\"name\":\"Linux \u670d\u52a1\u5668\u7f51\u7edc\u8fde\u63a5\u6545\u969c\u6392\u9664\uff1a\u5b8c\u6574\u6307\u5357 - 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