首先现在如下rpm包,然后安装对应的rpm包
centos5 32位epel源下载地址: www.lishiming.net/data/p_w_upload/forum/epel-release-5-4_32.noarch.rpm
64位下载地址:  www.lishiming.net/data/p_w_upload/forum/epel-release-5-4_64.noarch.rpm


centos6
32位epel yum源下载地址: www.lishiming.net/data/p_w_upload/forum/epel-release-6-8_32.noarch.rpm 
64位下载地址: www.lishiming.net/data/p_w_upload/forum/epel-release-6-8_64.noarch.rpm 

ps:转载自阿铭老师