1.卸载原有的yum源
rpm -qa | grep yum | xargs rpm -e --nodeps
rpm -qa | grep python-urlgrabber | xargs rpm -e --nodeps
2.下载yum源安装包
wget http://mirrors.163.com/centos/6/os/x86_64/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpm
wget http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-metadata-parser-1.1.2-16.el6.x86_64.rpm
wget http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-3.2.29-81.el6.centos.noarch.rpm
wget http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.30-41.el6.noarch.rpm
wget http://mirrors.163.com/centos/6/os/x86_64/Packages/python-urlgrabber-3.9.1-11.el6.noarch.rpm
4.安装yum源
rpm -ivh python-iniparse-0.3.1-2.1.el6.noarch.rpm
rpm -ivh yum-metadata-parser-1.1.2-16.el6.x86_64.rpm
rpm -ivh python-urlgrabber-3.9.1-11.el6.noarch.rpm
rpm -ivh yum-3.2.29-81.el6.centos.noarch.rpm yum-plugin-fastestmirror-1.1.30-41.el6.noarch.rpm
5.将原有的yum源配置备份
cd /etc/yum.repos.d/
cp rhel-source.repo rhel-source.repo_back
6.获取centos6的yum源配置文件
wget http://mirrors.163.com/.help/CentOS6-Base-163.repo
7.编辑centos6的yum源配置文件,将baseurl中的$releaserver修改为6,一共有五个地方
vim CentOS6-Base-163.repo
[修改后]
8.清理缓存
yum clean all
yum makecache
9.完成