What is EPEL and Write a instructions to install and use it.

EPEL  is a special interest group (SIG) from the Fedora Project that provides a set of additional packages for RHEL (and CentOS, and others)  from the Fedora sources. It creates, maintains, and manages a high quality set of additional packages for Enterprise Linux, including, but not limited to, Red Hat Enterprise Linux (RHEL), CentOS, Scientific Linux (SL), Oracle Linux (OL), AlmaLinux (AL) and Rocky Linux (RL).

For access EPEL user should install EPEL repository, to enable EPEL repository

Open a shell prompt.

Or login to a host called server1 using ssh client.

Install epel repository using: yum install epel-release -y

Refresh epel repo by typing: yum repolist

Install packages from epel repo : yum install pkg1