Installing #EPEL on #CentOS via #yum.
Connect to the server via SSH as the root user; or open a terminal if you're working locally.
Install the EPEL #repository with the following command: $ sudo yum install epel-release.
Confirm your work and refresh the repo list by running: $ sudo yum repolist
More about Installing EPEL repository on a CentOS Linux and RHEL: