Ali configuration quick and easy configuration Centos7 source

1. Enter the file path where the source yum

   cd /etc/yum.repos.d/

   2. Download the repo file with wget command

   wget http://mirrors.aliyun.com/repo/Centos-7.repo

   3. If there is no wget command, you will have to install wget command

   yum install -y wget

   4. The current directory is /etc/yum.repos.d, so just downloaded Centos-7.repo also on this directory
   5. Back up the original repo file

   mv CentOS-Base.repo CentOS-Base.repo_bak

   6. Replace the repo file

   mv Centos-7.repo CentOS-Base.repo

   7. Do yum update command source

   yum clean all
   yum makecache
   yum update -y

   This concludes the source Ali is ready for use.