以163的源为例：
cd /etc/apt/
cp source.list source.list.bak
sudo vim source.list
删除全部，并将源复制进来。注意复制前vim先进入insert模式，以免遗漏。
:wq
sudo apt-get update
OK！
所有源在这里！
deb http://archive.ubuntu.com/ubuntu/ vivid main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ vivid-security main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ vivid-updates main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ vivid-proposed main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ vivid main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ vivid-security main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ vivid-backports main restricted universe multiverse
deb http://archive.canonical.com/ubuntu/ vivid partner deb http://extras.ubuntu.com/ubuntu/ vivid main
deb http://mirrors.163.com/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.163.com/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.163.com/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.163.com/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.163.com/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.163.com/ubuntu/ vivid-backports main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.sohu.com/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.sohu.com/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.sohu.com/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.sohu.com/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.sohu.com/ubuntu/ vivid-backports main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ vivid-backports main restricted universe multiverse
服务器），包含其他开源镜像：
deb http://mirrors.oss.org.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.oss.org.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.oss.org.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.oss.org.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.oss.org.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.oss.org.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.oss.org.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.oss.org.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.oss.org.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.oss.org.cn/ubuntu/ vivid-backports main restricted universe multiverse
deb http://mirrors.yun-idc.com/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.yun-idc.com/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.yun-idc.com/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.yun-idc.com/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.yun-idc.com/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.yun-idc.com/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.yun-idc.com/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.yun-idc.com/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.yun-idc.com/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.yun-idc.com/ubuntu/ vivid-backports main restricted universe multiverse
deb http://mirrors.linuxstory.org/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.linuxstory.org/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.linuxstory.org/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.linuxstory.org/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.linuxstory.org/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.linuxstory.org/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.linuxstory.org/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.linuxstory.org/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.linuxstory.org/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.linuxstory.org/ubuntu/ vivid-backports main restricted universe multiverse
deb http://centos.bitcomm.cn/ubuntu vivid main restricted universe multiverse deb http://centos.bitcomm.cn/ubuntu vivid-security main restricted universe multiverse deb http://centos.bitcomm.cn/ubuntu vivid-updates main restricted universe multiverse deb http://centos.bitcomm.cn/ubuntu vivid-backports main restricted universe multiverse deb http://centos.bitcomm.cn/ubuntu vivid-proposed main restricted universe multiverse deb-src http://centos.bitcomm.cn/ubuntu vivid main restricted universe multiverse deb-src http://centos.bitcomm.cn/ubuntu vivid-security main restricted universe multiverse deb-src http://centos.bitcomm.cn/ubuntu vivid-updates main restricted universe multiverse deb-src http://centos.bitcomm.cn/ubuntu vivid-backports main restricted universe multiverse deb-src http://centos.bitcomm.cn/ubuntu vivid-proposed main restricted universe multiverse
以下为有教育网接入的服务器（推荐教育网用户使用，部分非教育网用户也有可观的速度），教育网用户请优先使用IPv6地址。
( IPv4/v6 Both )
deb http://debian.ustc.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://debian.ustc.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://debian.ustc.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://debian.ustc.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb http://debian.ustc.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
deb http://mirrors4.ustc.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirrors4.ustc.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors4.ustc.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors4.ustc.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb http://mirrors4.ustc.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors4.ustc.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors4.ustc.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors4.ustc.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors4.ustc.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors4.ustc.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirrors6.ustc.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://mirrors6.ustc.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://mirrors6.ustc.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://mirrors6.ustc.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb http://mirrors6.ustc.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://mirrors6.ustc.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://mirrors6.ustc.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://mirrors6.ustc.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://mirrors6.ustc.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://mirrors6.ustc.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
deb http://mirrors.opencas.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.opencas.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.opencas.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.opencas.cn/ubuntu/ubuntu vivid-backports main restricted universe multiverse deb http://mirrors.opencas.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.opencas.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.opencas.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.opencas.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.opencas.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.opencas.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.4.tuna.tsinghua.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://mirrors.6.tuna.tsinghua.edu.cn//ubuntu/ vivid-security main multiverse restricted universe deb http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://mirrors.6.tuna.tsinghua.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
( IPv4/v6 Both )
deb http://mirrors.cug.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.cug.edu.cn/ubuntu/ vivid-security main restricted universe multiverse debhttp://mirrors.cug.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.cug.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb http://mirrors.cug.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.cug.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.cug.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.cug.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.cug.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.cug.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirrors.cug6.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://mirrors.cug6.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://mirrors.cug6.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://mirrors.cug6.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb http://mirrors.cug6.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://mirrors.cug6.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://mirrors.cug6.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://mirrors.cug6.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://mirrors.cug6.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://mirrors.cug6.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
( IPv4/v6 Both )
deb http://mirror.bjtu.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://mirror.bjtu.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://mirror.bjtu.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://mirror.bjtu.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb http://mirror.bjtu.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://mirror.bjtu.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://mirror.bjtu.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://mirror.bjtu.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://mirror.bjtu.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://mirror.bjtu.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
deb http://mirror6.bjtu.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://mirror6.bjtu.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://mirror6.bjtu.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://mirror6.bjtu.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb http://mirror6.bjtu.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://mirror6.bjtu.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://mirror6.bjtu.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://mirror6.bjtu.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://mirror6.bjtu.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://mirror6.bjtu.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
( IPv4-Only )
deb http://mirror.bit.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirror.bit.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirror.bit.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirror.bit.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb http://mirror.bit.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirror.bit.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirror.bit.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirror.bit.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirror.bit.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirror.bit.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirror.bit6.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirror.bit6.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirror.bit6.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirror.bit6.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb http://mirror.bit6.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirror.bit6.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirror.bit6.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirror.bit6.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirror.bit6.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirror.bit6.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://ubuntu.buct.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://ubuntu.buct.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://ubuntu.buct.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://ubuntu.buct.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb http://ubuntu.buct.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://ubuntu.buct.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://ubuntu.buct.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://ubuntu.buct.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://ubuntu.buct.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://ubuntu.buct.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://ubuntu.buct.cn/ubuntu/ vivid main restricted universe multiverse deb http://ubuntu.buct.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://ubuntu.buct.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://ubuntu.buct.cn/ubuntu/ vivid-backports main restricted universe multiverse deb http://ubuntu.buct.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://ubuntu.buct.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://ubuntu.buct.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://ubuntu.buct.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://ubuntu.buct.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://ubuntu.buct.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://ubuntu.buct6.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://ubuntu.buct6.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://ubuntu.buct6.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://ubuntu.buct6.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb http://ubuntu.buct6.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://ubuntu.buct6.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://ubuntu.buct6.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://ubuntu.buct6.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://ubuntu.buct6.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://ubuntu.buct6.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
( IPv4-Only )
deb http://mirror.tju.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirror.tju.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirror.tju.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirror.tju.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb http://mirror.tju.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirror.tju.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirror.tju.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirror.tju.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirror.tju.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirror.tju.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirror.tju6.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://mirror.tju6.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://mirror.tju6.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://mirror.tju6.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb http://mirror.tju6.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://mirror.tju6.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://mirror.tju6.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://mirror.tju6.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://mirror.tju6.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://mirror.tju6.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
deb http://ftp.nankai.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://ftp.nankai.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://ftp.nankai.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://ftp.nankai.edu.cn/ubuntu/ubuntu vivid-backports main restricted universe multiverse deb http://ftp.nankai.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://ftp.nankai.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://ftp.nankai.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://ftp.nankai.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://ftp.nankai.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://ftp.nankai.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirrors.sdutlinux.org/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.sdutlinux.org/ubuntu/ vivid-backports restricted universe multiverse deb http://mirrors.sdutlinux.org/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.sdutlinux.org/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.sdutlinux.org/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.sdutlinux.org/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.sdutlinux.org/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.sdutlinux.org/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.sdutlinux.org/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.sdutlinux.org/ubuntu/ vivid-updates main restricted universe multiverse
( IPv4/v6 Both )
deb http://ftp.neu.edu.cn/mirrors/ubuntu/ vivid main multiverse restricted universe deb http://ftp.neu.edu.cn/mirrors/ubuntu/ vivid-backports main multiverse restricted universe deb http://ftp.neu.edu.cn/mirrors/ubuntu/ vivid-proposed main multiverse restricted universe deb http://ftp.neu.edu.cn/mirrors/ubuntu/ vivid-security main multiverse restricted universe deb http://ftp.neu.edu.cn/mirrors/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://ftp.neu.edu.cn/mirrors/ubuntu/ vivid main multiverse restricted universe deb-src http://ftp.neu.edu.cn/mirrors/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://ftp.neu.edu.cn/mirrors/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://ftp.neu.edu.cn/mirrors/ubuntu/ vivid-security main multiverse restricted universe deb-src http://ftp.neu.edu.cn/mirrors/ubuntu/ vivid-updates main multiverse restricted universe
deb http://ftp.neu6.edu.cn/mirrors/ vivid main multiverse restricted universe deb http://ftp.neu6.edu.cn/mirrors/ vivid-backports main multiverse restricted universe deb http://ftp.neu6.edu.cn/mirrors/ vivid-proposed main multiverse restricted universe deb http://ftp.neu6.edu.cn/mirrors/ vivid-security main multiverse restricted universe deb http://ftp.neu6.edu.cn/mirrors/ vivid-updates main multiverse restricted universe deb-src http://ftp.neu6.edu.cn/mirrors/ vivid main multiverse restricted universe deb-src http://ftp.neu6.edu.cn/mirrors/ vivid-backports main multiverse restricted universe deb-src http://ftp.neu6.edu.cn/mirrors/ vivid-proposed main multiverse restricted universe deb-src http://ftp.neu6.edu.cn/mirrors/ vivid-security main multiverse restricted universe deb-src http://ftp.neu6.edu.cn/mirrors/ vivid-updates main multiverse restricted universe
( IPv4/v6 Both )
deb http://run.hit.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://run.hit.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://run.hit.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://run.hit.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb http://run.hit.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://run.hit.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://run.hit.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://run.hit.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://run.hit.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://run.hit.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://run6.hit.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://run6.hit.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://run6.hit.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://run6.hit.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb http://run6.hit.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://run6.hit.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://run6.hit.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://run6.hit.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://run6.hit.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://run6.hit.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirrors.jlu.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://mirrors.jlu.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://mirrors.jlu.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://mirrors.jlu.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb http://mirrors.jlu.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://mirrors.jlu.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://mirrors.jlu.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://mirrors.jlu.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://mirrors.jlu.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://mirrors.jlu.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
( IPv4/v6 Both )
deb http://mirror.dlut.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirror.dlut.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirror.dlut.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirror.dlut.edu.cn/ubuntu/ubuntu vivid-backports main restricted universe multiverse deb http://mirror.dlut.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirror.dlut.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirror.dlut.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirror.dlut.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirror.dlut.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirror.dlut.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
(http 亦可替换为 ftp))
deb http://ftp.sjtu.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
deb http://ftp6.sjtu.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://ftp6.sjtu.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://ftp6.sjtu.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://ftp6.sjtu.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb http://ftp6.sjtu.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://ftp6.sjtu.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://ftp6.sjtu.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://ftp6.sjtu.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://ftp6.sjtu.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://ftp6.sjtu.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
deb http://mirrors.jstvu.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.jstvu.edu.cn/ubuntu/ vivid-backports restricted universe multiverse deb http://mirrors.jstvu.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.jstvu.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.jstvu.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.jstvu.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.jstvu.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.jstvu.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.jstvu.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.jstvu.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse
deb http://mirrors.njnu.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.njnu.edu.cn/ubuntu/ vivid-backports restricted universe multiverse deb http://mirrors.njnu.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.njnu.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.njnu.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.njnu.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.njnu.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.njnu.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.njnu.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.njnu.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse
deb http://mirrors.duohuo.org/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.duohuo.org/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.duohuo.org/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirrors.duohuo.org/ubuntu/ubuntu vivid-backports main restricted universe multiverse deb http://mirrors.duohuo.org/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.duohuo.org/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.duohuo.org/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.duohuo.org/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.duohuo.org/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.duohuo.org/ubuntu/ vivid-proposed main restricted universe multiverse
( IPv4/v6 Both )
deb http://mirrors.zjustu.org/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.zjustu.org/ubuntu/ vivid-backports restricted universe multiverse deb http://mirrors.zjustu.org/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.zjustu.org/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.zjustu.org/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.zjustu.org/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.zjustu.org/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.zjustu.org/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.zjustu.org/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.zjustu.org/ubuntu/ vivid-updates main restricted universe multiverse
deb http://mirrors.hust.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.hust.edu.cn/ubuntu/ vivid-backports restricted universe multiverse deb http://mirrors.hust.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.hust.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.hust.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.hust.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.hust.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.hust.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.hust.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.hust.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse
deb http://mirrors.hustunique.com/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.hustunique.com/ubuntu/ vivid-backports restricted universe multiverse deb http://mirrors.hustunique.com/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.hustunique.com/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.hustunique.com/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.hustunique.com/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.hustunique.com/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.hustunique.com/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.hustunique.com/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.hustunique.com/ubuntu/ vivid-updates main restricted universe multiverse
( IPv4/v6 Both )
deb http://mirrors.xmu.edu.cn/ubuntu/archive/ vivid main restricted universe multiverse deb http://mirrors.xmu.edu.cn/ubuntu/archive/ vivid-backports restricted universe multiverse deb http://mirrors.xmu.edu.cn/ubuntu/archive/ vivid-proposed main restricted universe multiverse deb http://mirrors.xmu.edu.cn/ubuntu/archive/ vivid-security main restricted universe multiverse deb http://mirrors.xmu.edu.cn/ubuntu/archive/ vivid-updates main restricted universe multiverse deb-src http://mirrors.xmu.edu.cn/ubuntu/archive/ vivid main restricted universe multiverse deb-src http://mirrors.xmu.edu.cn/ubuntu/archive/ vivid-backports main restricted universe multiverse deb-src http://mirrors.xmu.edu.cn/ubuntu/archive/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.xmu.edu.cn/ubuntu/archive/ vivid-security main restricted universe multiverse deb-src http://mirrors.xmu.edu.cn/ubuntu/archive/ vivid-updates main restricted universe multiverse
deb http://mirrors.xmu6.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://mirrors.xmu6.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://mirrors.xmu6.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://mirrors.xmu6.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb http://mirrors.xmu6.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://mirrors.xmu6.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://mirrors.xmu6.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://mirrors.xmu6.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://mirrors.xmu6.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://mirrors.xmu6.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe
deb http://mirror.sysu.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirror.sysu.edu.cn/ubuntu/ vivid-backports restricted universe multiverse deb http://mirror.sysu.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirror.sysu.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirror.sysu.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirror.sysu.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirror.sysu.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirror.sysu.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirror.sysu.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirror.sysu.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse
deb http://ubuntu.dormforce.net/ubuntu/ vivid main restricted universe multiverse deb http://ubuntu.dormforce.net/ubuntu/ vivid-backports main restricted universe multiverse deb http://ubuntu.dormforce.net/ubuntu/ vivid-proposed main restricted universe multiverse deb http://ubuntu.dormforce.net/ubuntu/ vivid-security main restricted universe multiverse deb http://ubuntu.dormforce.net/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://ubuntu.dormforce.net/ubuntu/ vivid main restricted universe multiverse deb-src http://ubuntu.dormforce.net/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://ubuntu.dormforce.net/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://ubuntu.dormforce.net/ubuntu/ vivid-security main restricted universe multiverse deb-src http://ubuntu.dormforce.net/ubuntu/ vivid-updates main restricted universe multiverse
deb http://mirrors.cqu.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirrors.cqu.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb http://mirrors.cqu.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb http://mirrors.cqu.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirrors.cqu.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirrors.cqu.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirrors.cqu.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirrors.cqu.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirrors.cqu.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirrors.cqu.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse
deb http://ubuntu.xjtuns.cn/ubuntu/ vivid main restricted universe multiverse deb http://ubuntu.xjtuns.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://ubuntu.xjtuns.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://ubuntu.xjtuns.cn/ubuntu/ubuntu vivid-backports main restricted universe multiverse deb http://ubuntu.xjtuns.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://ubuntu.xjtuns.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://ubuntu.xjtuns.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://ubuntu.xjtuns.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://ubuntu.xjtuns.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://ubuntu.xjtuns.cn/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://ftp.xdlinux.info/ubuntu/ vivid main restricted universe multiverse deb http://ftp.xdlinux.info/ubuntu/ vivid-security main restricted universe multiverse deb http://ftp.xdlinux.info/ubuntu/ vivid-updates main restricted universe multiverse deb http://ftp.xdlinux.info/ubuntu/ubuntu vivid-backports main restricted universe multiverse deb http://ftp.xdlinux.info/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://ftp.xdlinux.info/ubuntu/ vivid main restricted universe multiverse deb-src http://ftp.xdlinux.info/ubuntu/ vivid-security main restricted universe multiverse deb-src http://ftp.xdlinux.info/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://ftp.xdlinux.info/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://ftp.xdlinux.info/ubuntu/ vivid-proposed main restricted universe multiverse
( IPv4/v6 Both )
deb http://mirror.lzu.edu.cn/ubuntu/ vivid main restricted universe multiverse deb http://mirror.lzu.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb http://mirror.lzu.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb http://mirror.lzu.edu.cn/ubuntu/ubuntu vivid-backports main restricted universe multiverse deb http://mirror.lzu.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse deb-src http://mirror.lzu.edu.cn/ubuntu/ vivid main restricted universe multiverse deb-src http://mirror.lzu.edu.cn/ubuntu/ vivid-security main restricted universe multiverse deb-src http://mirror.lzu.edu.cn/ubuntu/ vivid-updates main restricted universe multiverse deb-src http://mirror.lzu.edu.cn/ubuntu/ vivid-backports main restricted universe multiverse deb-src http://mirror.lzu.edu.cn/ubuntu/ vivid-proposed main restricted universe multiverse
以下为大陆地区外的源
香港中文大学更新服务器，由香港中文大学资讯科技服务处维护，包含其他开源镜像：
deb http://ftp.cuhk.edu.hk/pub/Linux/ubuntu vivid main restricted universe multiverse deb http://ftp.cuhk.edu.hk/pub/Linux/ubuntu vivid-security main restricted universe multiverse deb http://ftp.cuhk.edu.hk/pub/Linux/ubuntu vivid-updates main restricted universe multiverse deb http://ftp.cuhk.edu.hk/pub/Linux/ubuntu vivid-backports main restricted universe multiverse deb http://ftp.cuhk.edu.hk/pub/Linux/ubuntu vivid-proposed main restricted universe multiverse deb-src http://ftp.cuhk.edu.hk/pub/Linux/ubuntu vivid main restricted universe multiverse deb-src http://ftp.cuhk.edu.hk/pub/Linux/ubuntu vivid-security main restricted universe multiverse deb-src http://ftp.cuhk.edu.hk/pub/Linux/ubuntu vivid-updates main restricted universe multiverse deb-src http://ftp.cuhk.edu.hk/pub/Linux/ubuntu vivid-backports main restricted universe multiverse deb-src http://ftp.cuhk.edu.hk/pub/Linux/ubuntu vivid-proposed main restricted universe
香港 01link 更新服务器，由香港联达网络服务有限公司维护：
deb http://ubuntu.01link.hk vivid main restricted universe multiverse deb http://ubuntu.01link.hk vivid-security main restricted universe multiverse deb http://ubuntu.01link.hk vivid-updates main restricted universe multiverse deb http://ubuntu.01link.hk vivid-backports main restricted universe multiverse deb http://ubuntu.01link.hk vivid-proposed main restricted universe multiverse deb-src http://ubuntu.01link.hk vivid main restricted universe multiverse deb-src http://ubuntu.01link.hk vivid-security main restricted universe multiverse deb-src http://ubuntu.01link.hk vivid-updates main restricted universe multiverse deb-src http://ubuntu.01link.hk vivid-backports main restricted universe multiverse deb-src http://ubuntu.01link.hk vivid-proposed main restricted universe
香港 uhost 更新服务器，由香港互联科技有限公司维护：
deb http://ubuntu.uhost.hk vivid main restricted universe multiverse deb http://ubuntu.uhost.hk vivid-security main restricted universe multiverse deb http://ubuntu.uhost.hk vivid-updates main restricted universe multiverse deb http://ubuntu.uhost.hk vivid-backports main restricted universe multiverse deb http://ubuntu.uhost.hk vivid-proposed main restricted universe multiverse deb-src http://ubuntu.uhost.hk vivid main restricted universe multiverse deb-src http://ubuntu.uhost.hk vivid-security main restricted universe multiverse deb-src http://ubuntu.uhost.hk vivid-updates main restricted universe multiverse deb-src http://ubuntu.uhost.hk vivid-backports main restricted universe multiverse deb-src http://ubuntu.uhost.hk vivid-proposed main restricted universe
台湾的官方源。速度有时甚至快于内地的，包含 Debian 等其他镜像：
deb http://tw.archive.ubuntu.com/ubuntu vivid main restricted universe multiverse deb http://tw.archive.ubuntu.com/ubuntu vivid-security main restricted universe multiverse deb http://tw.archive.ubuntu.com/ubuntu vivid-updates main restricted universe multiverse deb http://tw.archive.ubuntu.com/ubuntu vivid-backports main restricted universe multiverse deb http://tw.archive.ubuntu.com/ubuntu vivid-proposed main restricted universe multiverse deb-src http://tw.archive.ubuntu.com/ubuntu vivid main restricted universe multiverse deb-src http://tw.archive.ubuntu.com/ubuntu vivid-security main restricted universe multiverse deb-src http://tw.archive.ubuntu.com/ubuntu vivid-updates main restricted universe multiverse deb-src http://tw.archive.ubuntu.com/ubuntu vivid-backports main restricted universe multiverse deb-src http://tw.archive.ubuntu.com/ubuntu vivid-proposed main restricted universe multiverse
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