Super simple CentOS7 configuration Aliyun yum Source

1, open the CentOS Yum folder

Enter Command cd/etc/yum.repos.d/

2. Download repo files with wget

Enter Command wget Http://mirrors.aliyun.com/repo/Centos-7.repo

If the wget command does not take effect, the Wget tool is not installed and the Yum-y install wget carriage return is installed.

The current directory is/etc/yum.repos.d/, just downloaded Centos-7.repo is also on this directory

3, backup system original Repo file

MV Centos-base.repo Centos-base.repo.bak

That is, renaming Centos-base.repo-> Centos-base.repo.bak

4, the replacement system principle repo file

MV Centos-7.repo Centos-base.repo

That is, renaming Centos-7.repo-> Centos-base.repo

5. Execute Yum Source Update command

Yum Clean All

Yum Makecache

Yum Update

The following three commands are configured sequentially.