[1] 首先備份
/etc/yum.repos.d/CentOS-Base.repo
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
[2] 進入yum源配置文件所在文件夾
[root@localhost yum.repos.d]# cd /etc/yum.repos.d/
[3] 下載163的yum源配置文件,放入/etc/yum.repos.d/
[root@localhost yum.repos.d]# wget http://mirrors.163.com/.help/CentOS7-Base-163.repo
操作前請做好相應備份
CentOS 5
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo
CentOS 6
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
CentOS 7
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
[4] 運行yum makecache生成緩存
[root@localhost yum.repos.d]# yum makecache
[root@localhost yum.repos.d]# yum install epel-release -y
[5] 更新系統
[root@localhost yum.repos.d]# yum -y update
[6] 安裝vim編輯器
[root@localhost ~]# yum -y install vim*