由于 的yum在线更新是收费的，如果没有注册的话不能使用，

如果要使用，需将redhat的yum卸载后，重启，再配置其他源，以下为详细过程：

1.删除redhat原有的yum 

rpm -aq|grep yum|xargs rpm -e --nodeps

2.下载yum安装文件 (需要有连接上web)

wget http://mirrors.163.com/centos/6/os/i386/Packages/yum-3.2.29-69.el6.centos.noarch.rpm

wget http://mirrors.163.com/centos/6/os/i386/Packages/yum-metadata-parser-1.1.2-16.el6.i686.rpm

wget http://mirrors.163.com/centos/6/os/i386/Packages/yum-plugin-fastestmirror-1.1.30-30.el6.noarch.rpm

wget http://mirrors.163.com/centos/6/os/i386/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpm

3.进行安装yum

rpm -ivh python-iniparse-0.3.1-2.1.el6.noarch.rpm

rpm -ivh yum-metadata-parser-1.1.2-16.el6.i686.rpm

rpm -ivh yum-3.2.29-69.el6.centos.noarch.rpm yum-plugin-fastestmirror-1.1.30-30.el6.noarch.rpm

注意最后两个包必需同时安装，否则会相互依赖.

 

4.编辑repo仓库服务器配置文件

使用vi新建一个文本 内容为：（该文本保存到/etc/yum.repos.d/163CentOs6.repo中, 可以通过使用vi的:w /etc/yum.repos.d/163CentOs6.repo）

[base]name=CentOS-$releasever - Basebaseurl=http://mirrors.163.com/centos/6/os/$basearch/gpgcheck=1gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-6#released updates[updates]name=CentOS-$releasever - Updatesbaseurl=http://mirrors.163.com/centos/6/updates/$basearch/gpgcheck=1gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-6#packages used/produced in the build but not released#[addons]#name=CentOS-$releasever - Addons#baseurl=http://mirrors.163.com/centos/$releasever/addons/$basearch/#gpgcheck=1#gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-6#additional packages that may be useful[extras]name=CentOS-$releasever - Extrasbaseurl=http://mirrors.163.com/centos/6/extras/$basearch/gpgcheck=1gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-6#additional packages that extend functionality of existing packages[centosplus]name=CentOS-$releasever - Plusbaseurl=http://mirrors.163.com/centos/6/centosplus/$basearch/gpgcheck=1gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-6

5.清除yum缓存

yum clean all

6.构建数据源基本资料

yum repolist all

(如果这时运行正常，且enabld字段为1,那么表示yum源配置成功了)

7.尝试安装

yum install vim

 

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http://www.cnblogs.com/mailingfeng/archive/2012/09/01/2666745.html