What is the EPEL Repo?

EPEL stands for Extra Packages for Enterprise Linux. This is a package repo based on Fedora and it is managed and maintained by a Fedora Special Interest Group. The EPEL Repo contains many packages that are not shipped in the official CentOS or RHEL releases. They are very much compatible but are not officially supported.

How do I install the EPEL Repo on CentOS 7 or Red Hat Enterprise Linux 7?

Assuming you are logged in as root or have sudo access, then you only need one command:

Example output:

How do I verify that the EPEL Repo installed correctly?

You can view the installed repos by using the yum command:

Example output:

As you can see in line number 10 the EPEL repo is now installed and available on your system.