RHEL5.2配置yum

1. 安装yum
　
　　2. 修改。repo文件
　
　　ccd /etc/yum.repos.d/
　
　　#vi CentOS-Base.repo
　
　　写入一下内容：
　
　　

 [base]
name=CentOS-5 - Base
#mirrorlist=
repo=os
#baseurl=
baseurl=
gpgcheck=1
gpgkey=

#released updates
[update]
name=CentOS-5 - Updates
#mirrorlist=
baseurl=
gpgcheck=1
gpgkey=

#packages used/produced in the build but not released
[addons]
name=CentOS-5 - Addons
#mirrorlist=

baseurl=
gpgcheck=1
gpgkey=

#additional packages that may be useful
[extras]
name=CentOS-5 - Extras
#mirrorlist=

baseurl=
gpgcheck=1
gpgkey=

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-5 - Plus
#mirrorlist=
baseurl=
gpgcheck=1
enabled=0
gpgkey=

#contrib - packages by Centos Users
[contrib]
name=CentOS-5 - Contrib
#mirrorlist=
baseurl=
gpgcheck=1
enabled=0
gpgkey=

# vi dag.repo
[dag]
name=Dag RPM Repository for RHEL5
baseurl=
enabled=1
gpgcheck=1
gpgkey=

　
　　3. 导入key
　
　　＃rpm ——import
　
　　4. 运行，测试
　
　　＃yum update