epel

http://www.cyberciti.biz/faq/rhel-fedora-centos-linux-enable-epel-repo/

Reply from Group Members

use below command to make epel active
rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-4.noarch.rpm
finally yum repolist and u will see epel is active now.