CentOS 7:
vmhacks.com]# wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
vmhacks.com]# rpm -Uvh epel-release-7*.rpm
CentOS 6:
vmhacks.com]# wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
vmhacks.com]# rpm -Uvh epel-release-6*.rpm
CentOS 5:
vmhacks.com]# wget http://dl.fedoraproject.org/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm
vmhacks.com]# rpm -Uvh epel-release-5*.rpm
Enjoy
Mm.,