rpm -ivh https://mirrors.edge.kernel.org/fedora-epel/6/i386/epel-release-6-8.noarch.rpm
centos6 64位
rpm -ivh https://mirrors.edge.kernel.org/fedora-epel/6/x86_64/epel-release-6-8.noarch.rpm
centos7
rpm -ivh https://mirrors.edge.kernel.org/fedora-epel/7/x86_64/Packages/e/epel-release-7-11.noarch.rpm
原文：http://blog.51cto.com/853056088/2091195