RPM Repositories

http://wiki.centos.org/AdditionalResources/Repositories
http://wiki.centos.org/PackageManagement/Yum/Priorities

• EPEL (Extra Packages for Enterprise Linux) is a volunteer-based community effort from the Fedora project to create a repository of high-quality add-on packages that complement the Fedora-based Red Hat Enterprise Linux (RHEL) and its compatible spinoffs, such as CentOS and Scientific Linux.
      rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-3.noarch.rpm
   

  or

  rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm
• rpmforge is a collaboration of Dag, Dries, and other packagers. They provide over 4000 packages for CentOS, including mplayer, xmms-mp3, and other popular media tools. It is not part of RedHat or CentOS but is designed to work with these major distributions.
  Download the appropriate rpmforge-release package for your architecture:
      cd /extra
    wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.1-1.el5.rf.i386.rpm
    wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.1-1.el5.rf.x86_64.rpm
   

  Install DAG's GPG key:

      rpm --import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt
   

  Install the package:

      rpm -i rpmforge-release-0.5.1-1.el5.rf.*.rpm