EPEL (Extra Packages for Enterprise Linux) is open source and free community based repository project from Fedora team which provides 100% high quality add-on software packages for Linux distribution including RHEL (Red Hat Enterprise Linux), CentOS, and Scientific Linux. Epel project is not a part of RHEL/CentOS but it is designed for major Linux distributions by providing lots of open source packages like networking, sys admin, programming, monitoring and so on. Most of the epel packages are maintained by Fedora repo. Nagios packages are example in EPEL Repo.
Why we use EPEL repository?
- Provides lots of open source packages to install via Yum.
- Epel repo is 100% open source and free to use.
- It does not provide any core duplicate packages and no compatibility issues.
- All epel packages are maintained by Fedora repo.
Download EPEL Repo
Address : http://download.fedoraproject.org/pub/epel/7
Download link mirror: http://mirror.dgn.net.tr/epel//7/x86_64/e/epel-release-7-8.noarch.rpm
Install RPM
rpm -ivh epel-release-7-8.noarch.rpm
Control Epel Repo
yum repolist
Install Nagios Packages
List Nagios Packages
yum –enablerepo=epel -y list nagios-plugins*Install Packages
yum –enablerepo=epel -y install nrpe nagios-plugins