具体流程见下面文档(系统环境Centos6.5):
#修改yum源
vim /etc/yum.repos.d/CentOS-Base.repo
baseurl=https://mirrors.ustc.edu.cn/centos/$releasever/os/$basearch/
baseurl=http://mirrors.ustc.edu.cn/centos/$releasever/extras/$basearch/
baseurl=http://mirrors.ustc.edu.cn/centos/$releasever/centosplus/$basearch/
wget http://mirrors.ustc.edu.cn/epel/epel-release-latest-6.noarch.rpm
yum -y install epel-release-latest-6.noarch.rpm
sed -e 's!^mirrorlist=!#mirrorlist=!g' -e 's!^#baseurl=!baseurl=!g' -e 's!//download\.fedoraproject\.org/pub!//mirrors.ustc.edu.cn!g' -e 's!http://mirrors\.ustc!https://mirrors.ustc!g' -i /etc/yum.repos.d/epel.repo /etc/yum.repos.d/epel-testing.repo
yum makecache
#设置SELINUX和关闭防火墙
cat /etc/selinux/config | grep SELINUX
setenforce 0
cat /etc/selinux/config | grep SELINUX
sed 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
sed -i 's