CentOS系统yum源
1、阿里源
wget http://mirrors.aliyun.com/repo/Centos-7.repo
2、网易源
wget http://mirrors.163.com/.help/CentOS7-Base-163.repo
3、清华源
https://mirrors.tuna.tsinghua.edu.cn/
wget http://mirrors.aliyun.com/repo/Centos-7.repo
wget http://mirrors.163.com/.help/CentOS7-Base-163.repo
https://mirrors.tuna.tsinghua.edu.cn/