How to install and enable EPEL repository on a CentOS/RHEL 7

To install and enable the EPEL (Extra Packages for Enterprise Linux) repository on a CentOS or RHEL 7 system, you can use the following steps:

1. Download the EPEL release package:

wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

This will download the latest version of the EPEL release package for CentOS and RHEL 7.

2. Install the EPEL release package:

sudo yum install epel-release-latest-7.noarch.rpm

This will install the EPEL release package and enable the EPEL repository.

3. Update the package index:

sudo yum update

This will update the package index to include the packages from the EPEL repository.

4. Test the installation:

yum repolist

This will list the repositories that are enabled on your system. The EPEL repository should be listed.