Centos-处理腾讯云 YUM 源失效

腾讯云 CentOS 系统 YUM 源失效解决。

yum-config-manager --disable epel
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
yum makecache