配置163Yum源自动判断你的系统是Centos版本（适用于5.x或6.x）

#!/bin/bash 
#Author:nulige
#Date: 2015-3-8
#实现功能：自动判断你的系统是Centos版本,适用于5.x或6.x

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.$(date +%F)_backup
cd /etc/yum.repos.d/
Ver=$(cat /etc/redhat-release |awk -F "." '{print $1}')
if [ "${Ver}" == "CentOS release 6" ]
then
wget http://mirrors.163.com/.help/CentOS6-Base-163.repo
else
wget http://mirrors.163.com/.help/CentOS5-Base-163.repo
fi

yum clean headers
yum makecache
sleep 2
echo -e "33[32mPlease select Menu follow:33[1m]"

echo "##########################################"
echo "      The installation is complete        "
echo "##########################################"