centos 5.3中用yum安装MPlayer

centos 5.3**中用yum安装MPlayer
1、编辑
/etc/yum.repos.d/CentOS-Base.repo**
首先备份原来的源配置文件为/CentOS-Base.repo.bak

#cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak
编辑/etc/yum.repos.d/CentOS-Base.repo ,[base][update][centosplus]段末加上一行:
protect=1
让 [centosplus] 段失效如下:
enabled=0
编辑/etc/yum.repos.d/CentOS-Base.repo **在其它段的最后加上如下一行: protect=0**

2、安装rpmforge-release包.
下载rpmforge-release包** #wget http://apt.sw.be/redhat/el5/en/i386/RPMS.dag/rpmforge-release-0.3.6-1.el5.rf.i386.rpm******
安装DAG’s GPG key
#rpm –import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt
校验你下载的包
#rpm –K **rpmforge-release-0.3.6-1.el5.rf.i386.rpm
安全警告: rpmforge-release包把GPG keys注射到你的RPM数据库中. 只要你验证包和相信Dag,它应该是安全的.
安装包**
#rpm –ivh rpmforge-release-0.3.6-1.el5.rf.i386.rpm
这一步会加入yum仓库配置文件,注射合适的GPG keys.
3**、安装mplayer #yum –y install mplayer**

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**4****、安装后恢复原来的源配置文件**
**#cp /etc/yum.repos.d/CentOS-Base.repo  /etc/yum.repos.d/CentOS-Base.repo.bakmplayer**
**#cp /etc/yum.repos.d/CentOS-Base.repo.bak  /etc/yum.repos.d/CentOS-Base.repo**
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