x64
Ubuntu 18.4
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
Arm64
银河麒麟:
deb http://mirrors.ustc.edu.cn/debian/ stretch main contrib non-free
deb http://mirrors.ustc.edu.cn/debian/ stretch-backports main contrib non-free
deb http://mirrors.ustc.edu.cn/debian/ stretch-proposed-updates main contrib non-free
deb http://mirrors.ustc.edu.cn/debian/ stretch-updates main contrib non-free