Replacement mirror source CentOS 7

1, install wget , execute the command: " yum -y install wget ."

 

 2, open Ali mirror: https://developer.aliyun.com/mirror/

 

3. Download the new CentOS-Base.repo to /etc/yum.repos.d/  .

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo or -o curl /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

 

4, the update image source.

# Clear the cache yum Clean All # generate cache yum makecache