常用 源 sources.list

中科大

http://ipv6.mirrors.ustc.edu.cn/

deb https://ipv6.mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiversedeb-src https://ipv6.mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiversedeb https://ipv6.mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiversedeb-src https://ipv6.mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiversedeb https://ipv6.mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiversedeb-src https://ipv6.mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiversedeb https://ipv6.mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiversedeb-src https://ipv6.mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse## Not recommended# deb https://ipv6.mirrors.ustc.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse# deb-src https://ipv6.mirrors.ustc.edu.cn/ubuntu/ xenial-proposed main restricted universe multivers

清华

https://mirrors6.tuna.tsinghua.edu.cn/help/ubuntu/

山大

https://mirror.sdu.edu.cn/#/