在linux系统下工作，安装某些软件时不时到提示找不到，比如安装htop,wine,mplayer等等流媒体工具。RPMforge is a collaboration of Dag and other packagers. They provide over 5000 packages for CentOS, including wine, vlc, mplayer, xmms-mp3, and other popular media tools.

# rpm --import http://apt.sw.be/RPM-GPG-KEY.dag.tx  //导入密钥

# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm

# rpm -K rpmforge-release-0.5.2-2.el6.rf.*.rpm  //校验

# rpm -i rpmforge-release-0.5.2-2.el6.rf.*.rpm //生成repo源文件

http://wiki.centos.org/AdditionalResources/Repositories/RPMForge#head-f0c3ecee3dbb407e4eed79a56ec0ae92d1398e01