mv /etc/yum.repos.d/CentOS-Base.repo [--path]CentOS 7用如下命令:wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repoyum clean allyum makecache
linux centos更换软件源
原文：https://www.cnblogs.com/chxwkx/p/10945373.html
