如何实现简易版Linux服务器初始化Shell脚本

这篇文章主要介绍如何实现简易版Linux服务器初始化Shell脚本，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

该Shell脚本主要用于新安装Linux服务器系统的初始化工作，具体包括：

1. 关闭IPv6模块

2. 关闭SELinux

3. 让vim显示颜色

4. 设置系统语言编码

5. 优化系统服务

6. 内核参数优化等。

可以根据自己的实际情况修改，可用于生产环境。原作者是NetSeek，本人做了部分修改。

#!/bin/sh# desc: lsm03624 modified by www.webnginx.com#-------------------cut begin-------------------------------------------#welcomecat << EOF+--------------------------------------------------------------+| === Welcome to Centos System init === |+--------------http://www.linuxtone.org------------------------++----------------------Author:NetSeek--------------------------+EOF#disable ipv6cat << EOF+--------------------------------------------------------------+| === Welcome to Disable IPV6 === |+--------------------------------------------------------------+EOFecho "alias net-pf-10 off" >> /etc/modprobe.confecho "alias ipv6 off" >> /etc/modprobe.conf/sbin/chkconfig --level 35 ip6tables offecho "ipv6 is disabled!"#disable selinuxsed -i '/SELINUX/s/enforcing/disabled/' /etc/selinux/configecho "selinux is disabled,you must reboot!"#vimsed -i "8 s/^/alias vi='vim'/" /root/.bashrcecho 'syntax on' > /root/.vimrc#zh_cnsed -i -e 's/^LANG=.*/LANG="zh_CN.UTF-8"/' /etc/sysconfig/i18n# configure file max to 52100echo "* soft nofile 52100* hard nofile 52100" >> /etc/security/limits.conf#tunoff services#--------------------------------------------------------------------------------cat << EOF+--------------------------------------------------------------+| === Welcome to Tunoff services === |+--------------------------------------------------------------+EOF#---------------------------------------------------------------------------------for i in `ls /etc/rc3.d/S*`doCURSRV=`echo $i|cut -c 15-`echo $CURSRVcase $CURSRV incpuspeed | crond | irqbalance | microcode_ctl | mysqld | network | nginx | php-fpm | sendmail | sshd | syslog )#这个启动的系统服务根据具体的应用情况设置，其中network、sshd、syslog是三项必须要启动的系统服务！echo "Base services, Skip!";;*)echo "change $CURSRV to off"chkconfig --level 235 $CURSRV offservice $CURSRV stop;;esacdonerm -rf /etc/sysctl.confecho "net.ipv4.ip_forward = 0net.ipv4.conf.default.rp_filter = 1net.ipv4.conf.default.accept_source_route = 0kernel.sysrq = 0kernel.core_uses_pid = 1net.ipv4.tcp_syncookies = 1kernel.msgmnb = 65536kernel.msgmax = 65536kernel.shmmax = 68719476736kernel.shmall = 134217728net.ipv4.ip_local_port_range = 1024 65536net.core.rmem_max = 16777216net.core.wmem_max = 16777216net.ipv4.tcp_rmem = 4096 87380 16777216net.ipv4.tcp_wmem = 4096 65536 16777216net.ipv4.tcp_fin_timeout = 3net.ipv4.tcp_tw_recycle = 1net.core.netdev_max_backlog = 30000net.ipv4.tcp_no_metrics_save = 1net.core.somaxconn = 262144net.ipv4.tcp_syncookies = 0net.ipv4.tcp_max_orphans = 262144net.ipv4.tcp_max_syn_backlog = 262144net.ipv4.tcp_synack_retries = 2net.ipv4.tcp_syn_retries = 2vm.swappiness = 6" >> /etc/sysctl.confecho "optimizited kernel configure was done!"

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