centos更换安装源的方法
1、备份mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup2、下载新的CentOS-Base.repo 到/etc/yum.repos.d/wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo3、生成缓存yum makecache...
