二、下载与安装相应EPEL的rpm文件包
1、下载与安装EPEL的rpm文件包
32位系统
[root@CentOS ~]# rpm -ivh Fedora.RedHat.com/pub/epel/6/i386/epel-release-6-5.noarch.rpm
64位系统
[root@CentOS ~]# rpm -ivh
如果您不清楚您的系统内核，请使用uname -a命令来查看您的内核信息。
2、导入DAG的PGP Key
[root@CentOS ~]# rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
3、设置/etc/yum.repos.d/epel.repo文件中源的级别，就是添加priority=11这句。
如我的epel.repo文件内容：
[epel]
name=Extra Packages for Enterprise Linux 6 - $basearch
#baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6&arch=$basearch
failovermethod=priority
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
priority=11
[epel-debuginfo]
name=Extra Packages for Enterprise Linux 6 - $basearch - Debug
#baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch/debug
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-debug-6&arch=$basearch
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
gpgcheck=1
[epel-source]
name=Extra Packages for Enterprise Linux 6 - $basearch - Source
#baseurl=http://download.fedoraproject.org/pub/epel/6/SRPMS
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-source-6&arch=$basearch
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
gpgcheck=1