ubuntu 清华更新源

/etc/apt/sources.list清华大学更新服务器

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise main restricted universe multiversedeb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-security main restricted universe multiversedeb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-updates main restricted universe multiversedeb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-backports main restricted universe multiversedeb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-proposed main restricted universe multiversedeb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise main restricted universe multiversedeb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-security main restricted universe multiversedeb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-updates main restricted universe multiversedeb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-backports main restricted universe multiversedeb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ precise-proposed main restricted universe multiverseIPv4-Only 地址

deb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ precise main restricted universe multiversedeb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ precise-security main restricted universe multiversedeb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ precise-updates main restricted universe multiversedeb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ precise-backports main restricted universe multiversedeb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ precise-proposed main restricted universe multiversedeb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ precise main restricted universe multiversedeb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ precise-security main restricted universe multiversedeb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ precise-updates main restricted universe multiversedeb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ precise-backports main restricted universe multiversedeb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ precise-proposed main restricted universe multiverseIPv6-Only 地址

deb http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ precise main multiverse restricted universedeb http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ precise-backports main multiverse restricted universedeb http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ precise-proposed main multiverse restricted universedeb http://mirrors.6.tuna.tsinghua.edu.cn//ubuntu/ precise-security main multiverse restricted universedeb http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ precise-updates main multiverse restricted universedeb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ precise main multiverse restricted universedeb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ precise-backports main multiverse restricted universedeb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ precise-proposed main multiverse restricted universedeb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ precise-security main multiverse restricted universedeb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ precise-updates main multiverse restricted universe