各种国内yum源

163源帮助:

http://mirrors.163.com/.help/centos.html

:http://mirrors.163.com/.help/ubuntu.html

搜狐源帮助:

http://mirrors.sohu.com/help/centos.html

:http://mirrors.sohu.com/help/ubuntu.html

科大源帮助:

https://lug.ustc.edu.cn/wiki/mirrors/help/centos

:https://lug.ustc.edu.cn/wiki/mirrors/help/ubuntu