{"id":32691,"date":"2025-04-25T01:06:10","date_gmt":"2025-04-24T17:06:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/32691.html"},"modified":"2025-04-25T01:06:10","modified_gmt":"2025-04-24T17:06:10","slug":"%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%b3%bb%e7%bb%9f%e9%85%8d%e7%bd%ae%e5%88%9d%e5%a7%8b%e5%8c%96%e8%84%9a%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/32691.html","title":{"rendered":"\u670d\u52a1\u5668\u7cfb\u7edf\u914d\u7f6e\u521d\u59cb\u5316\u811a\u672c"},"content":{"rendered":"

\u670d\u52a1\u5668\u7cfb\u7edf\u914d\u7f6e\u521d\u59cb\u5316\u811a\u672c\u4e3b\u8981\u7528\u4e8e\u5728\u670d\u52a1\u5668\u9996\u6b21\u90e8\u7f72\u6216\u91cd\u7f6e\u540e\u81ea\u52a8\u6267\u884c\u4e00\u7cfb\u5217\u9884\u8bbe\u7684\u914d\u7f6e\u4efb\u52a1\u3002\u8fd9\u4e9b\u4efb\u52a1\u65e8\u5728\u5c06\u670d\u52a1\u5668\u8bbe\u7f6e\u5230\u4e00\u4e2a\u5df2\u77e5\u4e14\u5b89\u5168\u7684\u72b6\u6001，\u4ee5\u4fbf\u53ef\u4ee5\u7acb\u5373\u5f00\u59cb\u4f7f\u7528\u6216\u90e8\u7f72\u7279\u5b9a\u7684\u5e94\u7528\u7a0b\u5e8f\u6216\u670d\u52a1\u3002<\/span>\u00a0<\/span><\/p>\n

1 \u95ee\u9898<\/p>\n

1）\u811a\u672c\u65e0\u6cd5\u6267\u884c\u6216\u6267\u884c\u4e2d\u65ad<\/p>\n

2）\u914d\u7f6e\u8bbe\u7f6e\u9519\u8bef<\/p>\n

3）\u6700\u5927\u6253\u5f00\u6587\u4ef6\u6570\u8bbe\u7f6e\u4e0d\u6b63\u786e<\/p>\n

2 \u5206\u6790<\/p>\n

1）\u786e\u4fdd\u811a\u672c\u6709\u6267\u884c\u7684\u6743\u9650\u3001\u6709\u6ca1\u6709\u8bed\u6cd5\u9519\u8bef\u3001\u67e5\u770b\u811a\u672c\u6267\u884c\u8fc7\u7a0b\u4e2d\u7684\u9519\u8bef\u4fe1\u606f，\u6839\u636e\u9519\u8bef\u4fe1\u606f\u5b9a\u4f4d\u95ee\u9898\u5e76\u4fee\u590d<\/p>\n

2）\u65f6\u533a\u8bbe\u7f6e\u4e0d\u6b63\u786e\u3001SELinux\u8bbe\u7f6e\u4e0d\u6b63\u786e\u3001\u9632\u706b\u5899\u8bbe\u7f6e\u4e0d\u6b63\u786e<\/p>\n

3）\u68c0\u67e5\u811a\u672c\u4e2d\u7684\u6700\u5927\u6253\u5f00\u6587\u4ef6\u6570\u8bbe\u7f6e\u547d\u4ee4\u662f\u5426\u6b63\u786e\u6267\u884c，<\/p>\n

\u4f7f\u7528ulimit -n\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u6700\u5927\u6253\u5f00\u6587\u4ef6\u6570\u8bbe\u7f6e<\/p>\n

3 \u6d41\u7a0b\u56fe<\/p>\n

\"\"<\/p>\n

4 \u5b9e\u73b0<\/p>\n

#\u670d\u52a1\u5668\u7cfb\u7edf\u914d\u7f6e\u521d\u59cb\u5316\u811a\u672c<\/span><\/p>\n

#!\/bin\/bash<\/span><\/p>\n<\/p>\n

#\u8bbe\u7f6e\u65f6\u533a\u5e76\u540c\u6b65\u65f6\u95f4<\/span><\/p>\n

#\u8bbe\u7f6e\u65f6\u533a<\/span><\/p>\n

ln -sf \/usr\/share\/zoneinfo\/Asia\/Shanghai \/etc\/localtime<\/span><\/p>\n

#\u68c0\u67e5\u662f\u5426\u5df2\u5b58\u5728ntdate\u7684cron\u4f5c\u4e1a，\u5982\u679c\u4e0d\u5b58\u5728\u5219\u6dfb\u52a0<\/span><\/p>\n

if ! crontab -l | grep -q 'ntdate'; then<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0(<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0echo "* 1 * * * ntpdate time.windows.com >\/dev\/null 2>&1"<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0) | crontab –<\/span><\/p>\n

else<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0echo "ntpdate\u7684cron\u4f5c\u4e1a\u5df2\u5b58\u5728，\u65e0\u9700\u6dfb\u52a0"<\/span><\/p>\n

fi<\/span><\/p>\n<\/p>\n

#\u7981\u7528selinux<\/span><\/p>\n

sed -i '\/SELINUX\/{s\/permissive\/disabled\/}' \/etc\/selinux\/config<\/span><\/p>\n<\/p>\n

#\u5173\u95ed\u9632\u706b\u5899<\/span><\/p>\n

#\u68c0\u67e5RHEL 7\u6216\u66f4\u9ad8\u7248\u672c<\/span><\/p>\n

if egrep "7.[0-9]" \/etc\/redhat-release &>\/dev\/null; then<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0systemctl stop firewalld<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0systemctl disable firewalld<\/span><\/p>\n

#\u68c0\u67e5RHEL 6\u6216\u66f4\u4f4e\u7248\u672c<\/span><\/p>\n

elif egrep "6.[0-9]" \/etc\/redhat-release &>\/dev\/null; then<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0service iptables stop<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0chkconfig iptables off<\/span><\/p>\n

fi<\/span><\/p>\n<\/p>\n

#\u5386\u53f2\u547d\u4ee4\u663e\u793a\u64cd\u4f5c\u65f6\u95f4<\/span><\/p>\n

if ! grep -q HISTIMEFORMAT \/etc\/bashrc; then<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0echo 'export HISTIMEFORMAT="%Y-%m-%d %H-%M-%S $(whoami)"' >> \/etc\/bashrc<\/span><\/p>\n

fi<\/span><\/p>\n<\/p>\n

#SSH\u8d85\u65f6\u65f6\u95f4<\/span><\/p>\n

if ! grep "TMOUT=600" \/etc\/profile &> \/dev\/null; then<\/span><\/p>\n

#\u670d\u52a1\u5668\u7cfb\u7edf\u914d\u7f6e\u521d\u59cb\u5316\u811a\u672c<\/span><\/p>\n

#!\/bin\/bash<\/span><\/p>\n<\/p>\n

#\u8bbe\u7f6e\u65f6\u533a\u5e76\u540c\u6b65\u65f6\u95f4<\/span><\/p>\n

#\u8bbe\u7f6e\u65f6\u533a<\/span><\/p>\n

ln -sf \/usr\/share\/zoneinfo\/Asia\/Shanghai \/etc\/localtime<\/span><\/p>\n

#\u68c0\u67e5\u662f\u5426\u5df2\u5b58\u5728ntdate\u7684cron\u4f5c\u4e1a，\u5982\u679c\u4e0d\u5b58\u5728\u5219\u6dfb\u52a0<\/span><\/p>\n

if ! crontab -l | grep -q 'ntdate'; then<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0(<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0echo "* 1 * * * ntpdate time.windows.com >\/dev\/null 2>&1"<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0) | crontab –<\/span><\/p>\n

else<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0echo "ntpdate\u7684cron\u4f5c\u4e1a\u5df2\u5b58\u5728，\u65e0\u9700\u6dfb\u52a0"<\/span><\/p>\n

fi<\/span><\/p>\n<\/p>\n

#\u7981\u7528selinux<\/span><\/p>\n

sed -i '\/SELINUX\/{s\/permissive\/disabled\/}' \/etc\/selinux\/config<\/span><\/p>\n<\/p>\n

#\u5173\u95ed\u9632\u706b\u5899<\/span><\/p>\n

#\u68c0\u67e5RHEL 7\u6216\u66f4\u9ad8\u7248\u672c<\/span><\/p>\n

if egrep "7.[0-9]" \/etc\/redhat-release &>\/dev\/null; then<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0systemctl stop firewalld<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0systemctl disable firewalld<\/span><\/p>\n

#\u68c0\u67e5RHEL 6\u6216\u66f4\u4f4e\u7248\u672c<\/span><\/p>\n

elif egrep "6.[0-9]" \/etc\/redhat-release &>\/dev\/null; then<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0service iptables stop<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0chkconfig iptables off<\/span><\/p>\n

fi<\/span><\/p>\n<\/p>\n

#\u5386\u53f2\u547d\u4ee4\u663e\u793a\u64cd\u4f5c\u65f6\u95f4<\/span><\/p>\n

if ! grep -q HISTTIMEFORMAT \/etc\/bashrc; then<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0echo 'export HISTTIMEFORMAT="%Y-%m-%d %H-%M-%S $(whoami)"' >> \/etc\/bashrc<\/span><\/p>\n

fi<\/span><\/p>\n<\/p>\n

#SSH\u8d85\u65f6\u65f6\u95f4<\/span><\/p>\n

if ! grep "TMOUT=600" \/etc\/profile &> \/dev\/null; then<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0echo "export TMOUT=600" >> \/etc\/profile<\/span><\/p>\n

fi<\/span><\/p>\n<\/p>\n

#\u7981\u6b62root\u8fdc\u7a0b\u767b\u5f55<\/span><\/p>\n

sed -i '\/^#*PermitRootLogin\/s\/#*PermitRootLogin .*\/PermitRootLogin no\/' \/etc\/ssh\/sshd_config<\/span><\/p>\n<\/p>\n

#\u7981\u6b62\u5b9a\u65f6\u4efb\u52a1\u53d1\u9001\u90ae\u4ef6<\/span><\/p>\n

sed -i 's\/^MAILTO=root\/MAILTO=""\/' \/etc\/crontab<\/span><\/p>\n<\/p>\n

#\u8bbe\u7f6e\u6700\u5927\u6253\u5f00\u6587\u4ef6\u6570<\/span><\/p>\n

if ! grep "* soft nofile 65535" \/etc\/security\/limits.conf &>\/dev\/null; then<\/span><\/p>\n

cat >> \/etc\/security\/limits.conf << EOF<\/span><\/p>\n

*soft nofile 65535<\/span><\/p>\n

*hard nofile 65535<\/span><\/p>\n

EOF<\/span><\/p>\n

fi<\/span><\/p>\n<\/p>\n

#\u7cfb\u7edf\u5185\u6838\u4f18\u5316<\/span><\/p>\n

cat >> \/etc\/sysctl.conf << EOF<\/span><\/p>\n

net.ipv4.tcp_syncookies=1 #\u8bbe\u7f6e\u4e86TCP SYN Cookies\u7684\u542f\u7528，SYN Cookies\u662f\u4e00\u79cd\u9632\u5fa1\u673a\u5236<\/span><\/p>\n

net.ipv4.tcp_max_tw_buckets=20480 #\u8bbe\u7f6e\u4e86\u7cfb\u7edf\u53ef\u4ee5\u4fdd\u6301\u7684TIME-WAIT\u5957\u63a5\u5b57\u7684\u6700\u5927\u6570\u91cf<\/span><\/p>\n

net.ipv4.tcp_max_syn_backlog=20480 #\u8bbe\u7f6e\u4e86\u7cfb\u7edf\u7528\u4e8e\u5b58\u50a8\u5c1a\u672a\u5b8c\u5168\u5efa\u7acb\u7684\u8fde\u63a5\u7684\u961f\u5217\u7684\u6700\u5927\u957f\u5ea6<\/span><\/p>\n

net.core.netdev_max_backlog=262144 #\u8bbe\u7f6e\u4e86\u7f51\u7edc\u63a5\u53e3\u63a5\u6536\u961f\u5217\u7684\u6700\u5927\u957f\u5ea6<\/span><\/p>\n

EOF<\/span><\/p>\n<\/p>\n

#\u51cf\u5c11SWAP\u7684\u4f7f\u7528<\/span><\/p>\n

echo 0 > \/proc\/sys\/vm\/swappiness<\/span><\/p>\n<\/p>\n

#\u5b89\u88c5\u7cfb\u7edf\u6027\u80fd\u5206\u6790\u5de5\u5177<\/span><\/p>\n

yum install gcc make autoconf vim sysstat net-tools<\/span><\/p>\n

\"\"<\/p>\n

5 \u5b9e\u73b0\u89e3\u6790<\/p>\n

1）\u4f7f\u7528ln -sf \u521b\u5efa\u8f6f\u94fe\u63a5，\/usr\/share\/zoneinfo\/\u5305\u542b\u5404\u4e2a\u65f6\u533a\u7684\u4fe1\u606f\u6587\u4ef6，\u68c0\u67e5ntdate\u7684cron\u4f5c\u4e1a（ntdate\u7528\u4e8e\u540c\u6b65\u65f6\u95f4）<\/p>\n

2）\u4f7f\u7528sed -i\u5c06\/etc\/selinux\/config\u4e2d\u7684permissive\u66ff\u6362\u6210disabled<\/p>\n

3）egrep\u547d\u4ee4\u68c0\u67e5\u7248\u672c\u5e76\u4f7f\u7528\u547d\u4ee4\u5173\u95ed\u9632\u706b\u5899<\/p>\n

4）\u4f7f\u7528! grep -q \u68c0\u67e5\/etc\/bashrc\u4e2d\u662f\u5426\u5b58\u5728HISTIMEFORMAT\u5b58\u5728\u5219\u7ee7\u7eed\u6267\u884c\u4e0d\u5b58\u5728\u5219\u8f93\u5165<\/p>\n

5）\u540c\u7406，\u68c0\u67e5TMOUT=600\u662f\u5426\u5728\/etc\/profile，\u4e0d\u5b58\u5728\u5219\u6dfb\u52a0<\/p>\n

6）\u4f7f\u7528sed -i\u547d\u4ee4\u6765\u8fdb\u884c\u66ff\u6362\u7981\u6b62root\u8fdc\u7a0b\u767b\u5f55<\/p>\n

7）\u540c\u7406\u66ff\u6362\/etc\/crontab\u4e2d\u7684MAILTO\u7981\u6b62\u5b9a\u65f6\u4efb\u52a1\u53d1\u9001\u90ae\u4ef6<\/p>\n

8）\u68c0\u67e5soft nofile 65535\u662f\u5426\u5728\/etc\/security\/limits.conf\u4e2d，\u4e0d\u5b58\u5728\u5219\u4f7f\u7528soft\u3001hard\u547d\u4ee4\u521b\u5efa\u8f6f\u3001\u786c\u94fe\u63a5<\/p>\n

9）cat >> \/etc\/sysctl.conf << EOF\u63a5\u4e0b\u6765\u7684\u8f93\u51fa\u9664\u4e86\u9047\u5230EOF\u90fd\u88ab\u8bfb\u53d6\u5e76\u5199\u5165\u8be5\u6587\u4ef6\u4e2d<\/p>\n

10）swappiness\u53c2\u6570\u63a7\u5236\u7740\u5185\u5b58\u7ba1\u7406\u65b9\u9762\u7684\u884c\u4e3a（0~100\u8d8a\u5c0f\u662f\u907f\u514d\u4f7f\u7528\u8d8a\u5927\u662f\u79ef\u6781\u4f7f\u7528）<\/p>\n

6 \u9a8c\u8bc1<\/p>\n

1）\u68c0\u67e5\u811a\u672c\u8bed\u6cd5，\u6ca1\u6709\u51fa\u73b0\u4e1c\u897f\u8bf4\u660e\u6b63\u786e<\/p>\n

\"\"<\/p>\n

2）\u6267\u884c\u811a\u672c<\/p>\n

\"\"<\/p>\n

3）\u9a8c\u8bc1\u65f6\u533a\u8bbe\u7f6e\u53ef\u4ee5\u770b\u5230Time zone\u4e00\u884c\u51fa\u73b0Asia\/Shanghai<\/p>\n

\"\"<\/p>\n

4）\u9a8c\u8bc1cron\u4f5c\u4e1a<\/p>\n

\"\"<\/p>\n

5）\u9a8c\u8bc1SELinux\u72b6\u6001<\/p>\n

\"\"<\/p>\n

6）\u9a8c\u8bc1\u9632\u706b\u5899\u72b6\u6001<\/p>\n

\"\"<\/p>\n

7）\u9a8c\u8bc1\u5386\u53f2\u547d\u4ee4\u663e\u793a\u64cd\u4f5c\u65f6\u95f4<\/p>\n

\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

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