How to Add Epel Repository on Enterprise Linux
Enterprise Linux Installing EPEL Repo Guide
The linked Guides Simply Shows How to Install Epel Repository on Enterprise GNU/Linux Distributions.
Extra Packages for Enterprise Linux (or EPEL) is a Fedora Special Interest Group that creates, maintains, and manages a high quality set of additional packages for Enterprise Linux, including, but not limited to, Red Hat Enterprise Linux (RHEL), Linux and Linux (SL), Enterprise Linux (OEL).