ubuntu13.04停止维护，原有源大部分不能用。
此处源为14版本的源。
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. ## Major bug fix updates produced after the final release of the ## distribution. ## 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. ## 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. ## 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. ## 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. ## This software is not part of Ubuntu, but is offered by third-party deb http://archive.canonical.com/ trusty partner # deb-src http://archive.canonical.com/ trusty partner deb http://extras.ubuntu.com/ubuntu trusty main # deb-src http://extras.ubuntu.com/ubuntu trusty main deb http://cn.archive.ubuntu.com/ubuntu/ trusty multiverse universe main restricted deb-src http://cn.archive.ubuntu.com/ubuntu/ trusty multiverse universe main restricted #Added by software-properties # deb-src http://mirrors.163.com/ubuntu/ trusty main restricted # deb-src http://mirrors.163.com/ubuntu/ trusty multiverse # deb-src http://mirrors.163.com/ubuntu/ trusty universe deb-src http://mirrors.163.com/ubuntu/ trusty-proposed restricted main multiverse universe deb http://cn.archive.ubuntu.com/ubuntu/ trusty-security multiverse universe main restricted deb-src http://cn.archive.ubuntu.com/ubuntu/ trusty-security multiverse universe main restricted #Added by software-properties # deb-src http://mirrors.163.com/ubuntu/ trusty-security main restricted # deb-src http://mirrors.163.com/ubuntu/ trusty-security multiverse # deb-src http://mirrors.163.com/ubuntu/ trusty-security universe deb http://cn.archive.ubuntu.com/ubuntu/ trusty-updates multiverse universe main restricted deb-src http://cn.archive.ubuntu.com/ubuntu/ trusty-updates multiverse universe main restricted #Added by software-properties # deb-src http://mirrors.163.com/ubuntu/ trusty-updates main restricted # deb-src http://mirrors.163.com/ubuntu/ trusty-updates multiverse # deb-src http://mirrors.163.com/ubuntu/ trusty-updates universe # deb-src http://archive.canonical.com/ trusty partner # deb-src http://extras.ubuntu.com/ubuntu trusty main deb http://mirrors.163.com/ubuntu/ trusty multiverse universe main restricted deb-src http://mirrors.163.com/ubuntu/ trusty multiverse universe main restricted #Added by software-properties # deb-src http://mirrors.163.com/ubuntu/ trusty main restricted # deb-src http://mirrors.163.com/ubuntu/ trusty multiverse # deb-src http://mirrors.163.com/ubuntu/ trusty universe deb http://mirrors.163.com/ubuntu/ trusty-proposed restricted main multiverse universe # deb-src http://mirrors.163.com/ubuntu/ trusty-proposed restricted main multiverse universe deb http://mirrors.163.com/ubuntu/ trusty-security multiverse universe main restricted deb-src http://mirrors.163.com/ubuntu/ trusty-security multiverse universe main restricted #Added by software-properties # deb-src http://mirrors.163.com/ubuntu/ trusty-security main restricted # deb-src http://mirrors.163.com/ubuntu/ trusty-security multiverse # deb-src http://mirrors.163.com/ubuntu/ trusty-security universe deb http://mirrors.163.com/ubuntu/ trusty-updates multiverse universe main restricted deb-src http://mirrors.163.com/ubuntu/ trusty-updates multiverse universe main restricted #Added by software-properties # deb-src http://mirrors.163.com/ubuntu/ trusty-updates main restricted # deb-src http://mirrors.163.com/ubuntu/ trusty-updates multiverse # deb-src http://mirrors.163.com/ubuntu/ trusty-updates universe ## developers who want to ship their latest software.
更多源请参考：http://wiki.ubuntu.org.cn/%E6%BA%90%E5%88%97%E8%A1%A8