What is EPEL
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/Cent OS 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.
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.
How To Enable EPEL Repository in RHEL/CentOS 7/6/5?
First, you need to download the file using Wget and then install it using RPM on your system to enable the EPEL repository. Use below links based on your Linux OS versions. (Make sure you must be root user).
RHEL/CentOS 7 64 Bit
## RHEL/CentOS 7 64-Bit ## # wget http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm # rpm -ivh epel-release-latest-7.noarch.rpm
RHEL/CentOS 6 32-64 Bit
## RHEL/CentOS 6 32-Bit ## # wget http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm # rpm -ivh epel-release-6-8.noarch.rpm ## RHEL/CentOS 6 64-Bit ## # wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm # rpm -ivh epel-release-6-8.noarch.rpm
How Do I Verify EPEL Repo?
You need to run the following command to verify that the EPEL repository is enabled. Once you ran the command you will see epel repository.
# yum repolist
Loaded plugins: downloadonly, fastestmirror, priorities Loading mirror speeds from cached hostfile * base: centos.aol.in * epel: ftp.cuhk.edu.hk * extras: centos.aol.in * rpmforge: be.mirror.eurid.eu * updates: centos.aol.in Reducing CentOS-5 Testing to included packages only Finished 1469 packages excluded due to repository priority protections repo id repo name status base CentOS-5 - Base 2,718+7 epel Extra Packages for Enterprise Linux 5 - i386 4,320+1,408 extras CentOS-5 - Extras 229+53 rpmforge Red Hat Enterprise 5 - RPMforge.net - dag 11,251 repolist: 19,075 How Do I Use EPEL Repo?
You need to use YUM command for searching and installing packages. For example we search for Zabbixpackage using epel repo, lets see it is available or not under epel.
# yum --enablerepo=epel info zabbix
Available Packages Name : zabbix Arch : i386 Version : 1.4.7 Release : 1.el5 Size : 1.7 M Repo : epel Summary : Open-source monitoring solution for your IT infrastructure URL : http://www.zabbix.com/ License : GPL Description: ZABBIX is software that monitors numerous parameters of a network.
Let’s install Zabbix package using epel repo option –enablerepo=epel switch.
# yum --enablerepo=epel install zabbix
Note: The epel configuration file is located under /etc/yum.repos.d/epel.repo.
This way you can install as many as high standard open source packages using EPEL repo