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Enhance Your RHEL Installation with EPEL Repository

Linux Labs

Upgrades and Updates to Red Hat® Enterprise Linux®

EPEL REPOSITORY

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here are always some "stock and standard" applications we like to keep highly available. In the Linux world, that typically means adding in a few extra repositories. enhanced rhel epel yumAn obvious one for any Red Hat Enterprise Linux user should be the EPEL Repository; EPEL is always one of my first post-installation actions for any RHEL installation. Since it is available as noarch rpm, you can install EPEL on both 32 and 64 bit systems; for purposes here, we are using an Alienware M11x laptop running 64-bit RHEL 6.5.

yum update epel

INSTALLING EPEL (Extra Packages for Enterprise Linux)

EPEL packages are usually based on their Fedora counterparts and will never conflict with or replace packages in the base Enterprise Linux distributions (no core duplicates!). It can be used by any Linux user to install packages that exist in Fedora and were not included in a RHEL version.

For RHEL, the first thing we will need to do is enable the "Optional" repos in RHN to use EPEL packages as they depend on packages in that repository.  This can be done from the Software Manager by checking off for your distribution's "Optional (RPMs)":

enhanced rhel epel screencap01

From Terminal, make sure that you are Root user and use Wget and RPM to download, install and enable the EPEL repository:

 PLEASE pay attention and grab the correct repo for your architecture!

# wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm

 Gets the Repo...

# rpm -ivh epel-release-6-8.noarch.rpm

 Installs the Repo...

Finally, run the following command to verify that the EPEL repository is enabled. Once command is run you will officially see the epel repository:

# yum repolist

 Validates the Repo...

enhanced rhel epel screencap03

RHEL FOR REAL

enhanced rhel epel yellowdogEPEL is an open source, community-based Fedora repository project.  As most of the packages are maintained by the project, you get 100% compatability for high quality add-on software across RHEL, CentOS and Scientific Linux. EPEL provides lots of open source packages like networking, sys admin, programming, monitoring, etc. that we invariably end up needing for work in our environments.  EPEL is always enabled for our RHEL/CentOS installations. #yumyumyellowdog

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SYSCONFIG: the as-is testing enviro system configuration at the time of this article =

HARDWARE: Alienware M11x [Memory: 8GB RAM; Processer: Intel® Core™ i7 Quadcore CPU U640 @ 1.200GHz × 4; SSD: Samsung 840 Pro 250GB]

SOFTWARE: Operating System [RHEL Desktop 6.5-x86_64 (Santiago)]

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