CentOS YUM Couldn't resolve host'mirrors.cloud.aliyuncs.com' solution

Mistake

Couldn't resolve host'mirrors.cloud.aliyuncs.com'

reason

Non-Alibaba Cloud servers need special adjustments to use Alibaba Cloud image source

solution

sed -i -e '/mirrors.cloud.aliyuncs.com/d' -e '/mirrors.aliyuncs.com/d' /etc/yum.repos.d/CentOS-Base.repo

sed -i  's/http/https/g' /etc/yum.repos.d/CentOS-Base.repo

sed -i  's/$releasever/6.8/g' /etc/yum.repos.d/CentOS-Base.repo

sed -i  's/centos/centos-vault/g' /etc/yum.repos.d/CentOS-Base.repo