Centos 5.X的初始化脚本
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#!/bin/bash # Program: # system_init_shell # History: # 2012/04/1 25061008@qq.com # Release: # 1.1 cat << EOF +--------------------------------------------------------------+ | === Welcome to Centos 5.x System init === | +--------------------------------------------------------------+ +---------------------------by opsren--------------------------+ EOF #CHANGE yum cd /etc/yum.repos.d mv CentOS-Base.repo CentOS-Base.repo.bak wget http://mirrors.163.com/.help/CentOS-Base-163.repo mv CentOS-Base-163.repo CentOS-Base.repo yum clean metadata #清除以前的缓存 yum makecache #重新建立缓存 #update gcc yum -y install gcc gcc-c++ bison patch unzip mlocate flex lrzsz sysstat #set ntp /usr/sbin/ntpdate ntp.api.bz echo "*/5 * * * * /usr/sbin/ntpdate ntp.api.bz > /dev/null 2>&1" >> /var/spool/cron/root service crond restart #set clock hwclock --set --date="`date +%D %T`" hwclock --hctosys cat >> /etc/security/limits.conf << EOF * soft nofile 102400 * hard nofile 102400 EOF #close useless service for i in `ls /etc/rc3.d/S*` do CURSRV=`echo $i|cut -c 15-` echo $CURSRV case $CURSRV in cpuspeed | crond | irqbalance | network | sshd | syslog | local ) echo "Base services, Skip!" ;; *) echo "change $CURSRV to off" chkconfig --level 2345 $CURSRV off service $CURSRV stop ;; esac done echo "service is init is ok.............." #set LANG :> /etc/sysconfig/i18n cat >> /etc/sysconfig/i18n << EOF LANG="en_US.UTF-8" EOF #set sysctl true > /etc/sysctl.conf cat >> /etc/sysctl.conf << EOF net.ipv4.ip_forward = 0 net.ipv4.conf.default.rp_filter = 1 net.ipv4.conf.default.accept_source_route = 0 kernel.sysrq = 0 kernel.core_uses_pid = 1 net.ipv4.tcp_syncookies = 1 kernel.msgmnb = 65536 kernel.msgmax = 65536 kernel.shmmax = 68719476736 kernel.shmall = 4294967296 net.ipv4.tcp_max_tw_buckets = 6000 net.ipv4.tcp_sack = 1 net.ipv4.tcp_window_scaling = 1 net.ipv4.tcp_rmem = 4096 87380 4194304 （编辑：滁州站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
