CentOS 6.4 x86_64 优化脚本

黯淡瘦削生

阐明： 体系版本大概会有差别，以明白学习为主
#/bin/bash
# 体系底子升级
wget http://mirrors.163.com/.help/CentOS6-Base-163.repo
cd /etc/yum.repos.d/
mv CentOS-Base-repo CentOS-Base.repo.bak
mv CentOS6-Base-163.repo CentOS-Base.repo
yum clean all
yum makecache
yum update
# epel外部Yun扩展源
wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
rpm -ivh epel-release-6-8.noarch.rpm
#GCC库与sysstat工具
yum -y instll gcc gcc-c++ vim-enhanced unzip unrar sysstat
# ntpdate 主动对时
yum -y install ntp
echo "01 01 * * * /usr/sbin/ntpdate ntp.api.bz >> /dev/null 2>&1" /etc/crontab
netdate ntp.api.bz
service crond restart
# 设置文件中的 ulimit 值【打开的文件句柄】
ulimit -SHn 65534
echo "ulimit -SHn 65534" >> /etc/rc.local
cat >> /etc/security/limits.conf > /etc/sysctl.conf  /etc/modprobe.d/disabled-ipv6.conf
# 禁用基于IPv6网络，使之不会触发启动
echo "IPV6INIT=no" >> /etc/sysconfig/network-scripts/ifcfg-eth0
chkconfig ip6tables off
# Vim根本优化

cat >> /root/.vimrc