EPEL – Extra Packages for Enterprise Linux
EPEL (Extra Packages for Enterprise Linux) provide additional software for CentOS and RHEL.
You can find more information about EPEL at
http://fedoraproject.org/wiki/EPEL
On CentOS 7/8, you can enable EPEP repo with command
yum instal epel-release
Or just download rpm package from the site and install.
RHEL/CentOS 6:
yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
RHEL/CentOS 7:
yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
RHEL/CentOS 8:
yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm