CentOS国内YUM源及配置 Linux系统修改YUM源

不同linux系统修改yum源
1、centos6更换yum源和epel源复制
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backupwget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-6.repowget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-6.repoyum clean allyum makecache