1、首先备份/etc/yum.repos.d/CentOS-Base.repo
| 1 | mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup | 
2、根据CentOS版本选择操作
CentOS-5
| 1 2 | wget http://mirrors. | 
 
			
			
									
			
			
	1、首先备份/etc/yum.repos.d/CentOS-Base.repo
| 1 | mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup | 
2、根据CentOS版本选择操作
CentOS-5
| 1 2 | wget http://mirrors. |