cat aliyun.repo
[epel]
name=ailiyun
baseurl=http:
//mirrors
.aliyun.com
/epel/7/x86_64/
enabled=1
gpgcheck=0
[centos]
name=cobbler
baseurl=http:
//mirrors
.aliyun.com
/centos/7/os/x86_64/
enabled=1
gpgcheck=0