The RPMforge project is an open source project that provides RPM packages for various distributions (RH, CentOS, Fedora, …). To enable RPMforge you can install the rpmforge-release package for your distribution.
For RHEL5 / CentOS-5:
i386
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.1-1.el5.rf.i386.rpm # rpm -Uvh rpmforge-release-0.5.1-1.el5.rf.i386.rpm |
x86_64
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.1-1.el5.rf.x86_64.rpm # rpm -Uvh rpmforge-release-0.5.1-1.el5.rf.x86_64.rpm |
For older releases (RHEL 4 / CentOS 4) please follow the instructions available on RPMrepo Wiki