centos 6安装epel

1.通过：https://mirrors.ustc.edu.cn/找到epel rpm包链接，这里的是

https://mirrors.ustc.edu.cn/epel/epel-release-latest-6.noarch.rpm

2.wget https://mirrors.ustc.edu.cn/epel/epel-release-latest-6.noarch.rpm

3.rpm -ivh epel-release-latest-6.noarch.rpm

4.通过yum repolist来验证

Loaded plugins: fastestmirror, security
Loading mirror speeds from cached hostfile
 * epel: mirrors.ustc.edu.cn
repo id          repo name                                                status
base             CentOS-6 - Base - 163.com                                 6,696
epel             Extra Packages for Enterprise Linux 6 - x86_64   12,201
extras           CentOS-6 - Extras - 163.com                   62
updates          CentOS-6 - Updates - 163.com                462
repolist: 19,421
# 第二行即是

附EPEL介绍：http://www.linuxidc.com/Linux/2013-12/93433.htm