Download the rpmforge-release package. Choose one of the two links below, depending on your architecture. If you are unsure of which one to use you can check your architecture with the command

then type following command

If you are using a different architecture check on https://rpmrepo.org/RPMforge/Using for the correct rpm
For Centos x86_64 use this link: http://packages.sw.be/rpmforge-release/ ... x86_64.rpm
use the following command...

(You can find a complete list of rpmforge-release package packages at http://dag.wieers.com/packages/rpmforge-release/ but it is recommended that you use one of the two listed above).

Disable the repo (such that base packages not overwritten) edit /etc/yum.d/rpmforge.repo

and set the following option: