CentOS / RHEL / Scientific Linux 6/5 Enable and Install EPEL Repo

Posted on in Categories , last updated December 23, 2017

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),CentOS and Scientific Linux (SL). How do I enable it under CentOS/RHLE 6.x or 5.x server?