How To Enable EPEL on CentOS 7

EPEL is a repository maintained by Fedora Project which contains various additional packages for enterprise Linux distributions like Red Hat Enterprise Linux (RHEL), CentOS and Scientific Linux (SL), Oracle Enterprise Linux(OEL).

EPEL can be installed on CentOS 7 as follows.

yum install epel-release-7-0.2.noarch.rpm

You can find out more about EPEL on Fedora Project wiki

Happy Installing.