$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

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).

How to Add Epel Repository Linux - Featured

Enabling EPEL Repo on Linux