一、清华的源
1 清华的源 2 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main multiverse restricted universe 3 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main multiverse restricted universe 4 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-proposed main multiverse restricted universe 5 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main multiverse restricted universe 6 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main multiverse restricted universe 7 deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main multiverse restricted universe 8 deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main multiverse restricted universe 9 deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-proposed main multiverse restricted universe 10 deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main multiverse restricted universe 11 deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main multiverse restricted universe
二、网易源
1 deb http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse 2 deb-src http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse 3 deb http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted 4 deb-src http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted 5 deb http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted 6 deb http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted 7 deb-src http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted 8 deb http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricted 9 deb-src http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricted 10 deb-src http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted