RHEL5系统下配置CENTOS YUM源升级的方法

RHEL5系统下配置CENTOS YUM源升级的方法
1. 安装yum
   RHEL5系统下已缺省安装。
  
2. 修改两个.repo文件

cd /etc/yum.repos.d/

#vi CentOS-Base.repo
[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=

修改dag.repo文件
# 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 list
＃yum update