官网  http://pkgs.repoforge.org/rpmforge-release/（直接安装对应的rpm包）

国内 
http://mirror.bjtu.edu.cn/repoforge/

cat /etc/yum.repo.d/rpmforge.repo
### Name: RPMforge RPM Repository for RHEL 6 - dag
### URL: http://rpmforge.net/
[rpmforge]
name = RHEL $releasever - RPMforge.net - dag
baseurl = http://mirror.bjtu.edu.cn/repoforge/redhat/el6/en/$basearch/rpmforge
mirrorlist = http://mirror.bjtu.edu.cn/repoforge/redhat/el6/en/mirrors-rpmforge
#mirrorlist = file:///etc/yum.repos.d/mirrors-rpmforge
enabled = 1
protect = 0
gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rpmforge-dag
gpgcheck = 0