yum配置163源

CentOS7 配置163 yum源

1）下载repo文件 
wget http://mirrors.163.com/.help/CentOS7-Base-163.repo
 
2）备份并替换系统的repo文件 
cp CentOS7-Base-163.repo /etc/yum.repos.d/ 
cd /etc/yum.repos.d/ 
mv CentOS-Base.repo CentOS-Base.repo.bak 
mv CentOS7-Base-163.repo CentOS-Base.repo
 
3）执行yum源更新命令 
yum clean all 
yum makecache 
yum update