CentOS changes yum source and update system

CentOS changes yum source and update system

[1] First backup /etc/yum.repos.d/CentOS-Base.repo

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/ CentOS-Base.repo.backup
[2] Enter the folder where the yum source configuration file is located

[root@localhost yum.repos.d]# cd /etc/yum.repos.d/
[3] Download the yum source configuration file of 163, Put it in /etc/yum.repos.d/ (please make a corresponding backup before operation)

[root@localhost yum.repos.d]# wget http://mirrors.163.com/.help/CentOS6-Base-163 .repo
[4] Run yum makecache to generate cache

[root@localhost yum.repos.d]# yum makecache
[5] Update system

[root@localhost yum.repos.d]# yum -y update
[6] Install vim editor

[root@localhost ~]# yum -y install vim*