sources-x.list

deb http://debian.ustc.edu.cn/ubuntu/ xenial main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ xenial-backports main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ xenial-proposed main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ xenial-security main multiverse restricted universe
deb http://debian.ustc.edu.cn/ubuntu/ xenial-updates main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ xenial main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ xenial-backports main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ xenial-proposed main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ xenial-security main multiverse restricted universe
deb-src http://debian.ustc.edu.cn/ubuntu/ xenial-updates main multiverse restricted universe

#
 
# deb cdrom:[Ubuntu-Server 16.04.5 LTS _xenial Tahr_ - Release amd64 (20160803)]/ xenial main restricted
 
#deb cdrom:[Ubuntu-Server 16.04.5 LTS _xenial Tahr_ - Release amd64 (20160803)]/ xenial main restricted
 
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://cn.archive.ubuntu.com/ubuntu/ xenial main restricted
deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial main restricted
 
## Major bug fix updates produced after the final release of the
## distribution.
deb http://cn.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
 
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://cn.archive.ubuntu.com/ubuntu/ xenial universe
deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial universe
deb http://cn.archive.ubuntu.com/ubuntu/ xenial-updates universe
deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates universe
 
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://cn.archive.ubuntu.com/ubuntu/ xenial multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial multiverse
deb http://cn.archive.ubuntu.com/ubuntu/ xenial-updates multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-updates multiverse
 
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://cn.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse
 
deb http://security.ubuntu.com/ubuntu xenial-security main restricted
deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted
deb http://security.ubuntu.com/ubuntu xenial-security universe
deb-src http://security.ubuntu.com/ubuntu xenial-security universe
deb http://security.ubuntu.com/ubuntu xenial-security multiverse
deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse
 
## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu xenial partner
# deb-src http://archive.canonical.com/ubuntu xenial partner
 
## Uncomment the following two lines to add software from Ubuntu's
## 'extras' repository.
## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
# deb http://extras.ubuntu.com/ubuntu xenial main
# deb-src http://extras.ubuntu.com/ubuntu xenial main