更换centos系统的源 -凯发k8官网下载客户端中心

1、备份

mv /etc/yum.repos.d/centos-base.repo /etc/yum.repos.d/centos-base.repo.backup

2、下载新的centos-base.repo 到/etc/yum.repos.d/

centos 5

wget -o /etc/yum.repos.d/centos-base.repo http://mirrors.aliyun.com/repo/centos-5.repo

centos 6

wget -o /etc/yum.repos.d/centos-base.repo http://mirrors.aliyun.com/repo/centos-6.repo

centos 7

wget -o /etc/yum.repos.d/centos-base.repo http://mirrors.aliyun.com/repo/centos-7.repo

3、之后运行yum makecache生成缓存