How To Install EPEL Repo on a CentOS and RHEL 7.x

Had to Install the EPEL Repo on my Centos 7 Server today. I used THIS site to do it:

Commands to install EPEL repo on a CentOS Linux and RHEL 7.x

1. Open a shell prompt.
2. Or login to a host called server1 using ssh client.
3. Install epel using the following command: yum -y install epel-release
4. Refresh repo by typing the following commad: yum repolist