http://wiki.centos.org/AdditionalResources/Repositories/RPMForge
Download the rpmforge-release package
wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.i686.rpm
Install DAG's GPG key
rpm --import http://apt.sw.be/RPM-GPG-KEY.dag.txt
Install the package
rpm -i rpmforge-release-0.5.2-2.el6.rf.*.rpm
