EPEL repository for RHEL 7.x/6.x/5.x and Centos 7.x/6.x/5.x

EPEL repository for RHEL 7 / RHEL 6/ RHEL 5 and Centos 7/ Centos 6/ Centos 5.  EPEL repository (Extra Packages for Enterprise Linux) EPEL is a open source package building project which is owned and maintained by fedora. All the packages created by EPEL project is highly qualified and tested.  Manual installation of packages in Linux it’s time taking process and we have to download all the packages and it’s dependencies one by one by using EPEL repo we can just install a packages using in yum command.

Why we have to use EPEL repository

  1. To resolve dependencies and install them automatically
  2. Extra packages will be available trough EPEL which may not available with inbuilt subscriptions
  3. Just install EPEL RPM it will automatically configures YUM for you
  4. Required Internet access to install packages
  5. It does not provide duplicate core packages

Requirements to install and configure EPEL repository

  • Internet access required to download EPEL RPM
  • Internet access required to install packages through YUM
  • wget and rpm commands should be available
  • root user credential to install and enable EPEL repo

Installation and Configuration process

RHEL 7 64 bit EPEL repository is below.

Note:  EPEL repository for RHEL 7 32bit is not available

[root@TechTutorial ~]# cd /tmp/
[root@TechTutorial tmp]# wget http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-7.noarch.rpm
--2016-05-19 11:19:14--  http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-7.noarch.rpm
Resolving dl.fedoraproject.org (dl.fedoraproject.org)... 209.132.181.26, 209.132.181.27, 209.132.181.25, ...
Connecting to dl.fedoraproject.org (dl.fedoraproject.org)|209.132.181.26|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 14432 (14K) [application/x-rpm]
Saving to: ‘epel-release-7-6.noarch.rpm’

100%[===================================================================================================================================>] 14,432      56.0KB/s   in 0.3s

2016-05-19 11:19:15 (56.0 KB/s) - ‘epel-release-7-7.noarch.rpm’ saved [14432/14432]

[root@TechTutorial tmp]# rpm -ivh epel-release-7-7.noarch.rpm

RHEL 6 / Centos 6 64 Bit

[root@TechTutorial]# cd /tmp
[root@TechTutorial tmp]# wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
[root@TechTutorial tmp]# rpm -ivh epel-release-6-8.noarch.rpm

RHEL 6 /Centos 6 32 Bit

[root@TechTutorial]# cd /tmp
[root@TechTutorial]# wget http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
[root@TechTutorial]# rpm -ivh epel-release-6-8.noarch.rpm

RHEL 5/ Centos 5 32 bit

[root@TechTutorial ]# cd /tmp
[root@TechTutorial tmp]# wget http://download.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm
[root@TechTutorial tmp]# rpm -ivh epel-release-5-4.noarch.rpm

RHEL 5/ Centos 5 64 bit

[root@TechTutorial ]# cd /tmp
[root@TechTutorial tmp]# wget http://download.fedoraproject.org/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm
[root@TechTutorial tmp]# rpm -ivh epel-release-5-4.noarch.rpm

As soon as you installed an EPEL RPM it will create an YUM configuration file the content of config file will below as shown below, from that if you see enabled=1 it means your repository is enabled.

[root@TechTutorial /etc/yum.repos.d]# cat epel.repo
[epel]
name=Extra Packages for Enterprise Linux 7 - $basearch
#baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=$basearch
failovermethod=priority
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7

[epel-debuginfo]
name=Extra Packages for Enterprise Linux 7 - $basearch - Debug
#baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch/debug
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-debug-7&arch=$basearch
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
gpgcheck=1

[epel-source]
name=Extra Packages for Enterprise Linux 7 - $basearch - Source
#baseurl=http://download.fedoraproject.org/pub/epel/7/SRPMS
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-source-7&arch=$basearch
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
gpgcheck=1

Verify the repository is working.?

[root@TechTutorial yum.repos.d]# yum repolist
Loaded plugins: langpacks, product-id, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
epel/x86_64/metalink                                                                                                                                 | 3.3 kB  00:00:00
epel                                                                                                                                                 | 4.3 kB  00:00:00
(1/3): epel/x86_64/group_gz                                                                                                                          | 170 kB  00:00:01
(2/3): epel/x86_64/updateinfo                                                                                                                        | 555 kB  00:00:05
(3/3): epel/x86_64/primary_db                                                                                                                        | 4.1 MB  00:00:10
repo id                                                             repo name                                                                                         status
epel/x86_64                                                         Extra Packages for Enterprise Linux 7 - x86_64                                                    10,087
repolist: 10,087

as shown above EPEL repo is enabled and working fine. If you want to list all the packages of EPEL repository the use below command

# yum list all

How do i Install Packages using EPEL repository

[root@TechTutorial ~]# yum --enablerepo=epel install nagios

Above command will list out all the packages required to install Nagios, then it will ask you for the confirmation to install If you type Y then it will download packages and install.

That’s it your EPEL repository is ready to use enjoy.

Please do comment your feedback.

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