Linux Red Hat as 5.4 配置 yum

先安装那个网站的GPG

执行命令：
rpm --import http://ftp.twaren.net/Linux/CentOS/RPM-GPG-KEY-CentOS-5

执行命令：
vi /etc/yum.repos.d/rhel-debuginfo.repo

修改文件内容为如下内容：

[base]
name=Red Hat Enterprise Linux $releasever -Base
baseurl=http://ftp.twaren.net/Linux/CentOS/5/os/$basearch/
gpgcheck=1
[update]
name=Red Hat Enterprise Linux $releaserver -Updates
baseurl=http://ftp.twaren.net/Linux/CentOS/5/updates/$basearch/
gpgcheck=1
[extras]
name=Red Hat Enterprise Linux $releaserver -Extras
baseurl=http://ftp.twaren.net/Linux/CentOS/5/extras/$basearch/
gpgcheck=1
[addons]
name=Red Hat Enterprise Linux $releasever -Addons
baseurl=http://ftp.twaren.net/Linux/CentOS/5/addons/$basearch/
gpgcheck=1

执行命令：

yum clean all