ubuntu 12.04 的源：sources.list ：Ubuntu 12.04 Precise Pangolin源更新地址

Ubuntu 12.04 Precise Pangolin源更新地址

wzb@wzb:~$ cat /etc/apt/sources.list
# deb cdrom:[Ubuntu 12.04 LTS _Precise Pangolin_ - Release i386 (20120423)]/ precise 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/ precise main restricted
# deb-src http://cn.archive.ubuntu.com/ubuntu/ precise main restricted

## Major bug fix updates produced after the final release of the
## distribution.
# deb http://cn.archive.ubuntu.com/ubuntu/ precise-updates main restricted
# deb-src http://cn.archive.ubuntu.com/ubuntu/ precise-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/ precise universe
# deb-src http://cn.archive.ubuntu.com/ubuntu/ precise universe
# deb http://cn.archive.ubuntu.com/ubuntu/ precise-updates universe
# deb-src http://cn.archive.ubuntu.com/ubuntu/ precise-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/ precise multiverse
# deb-src http://cn.archive.ubuntu.com/ubuntu/ precise multiverse
# deb http://cn.archive.ubuntu.com/ubuntu/ precise-updates multiverse
# deb-src http://cn.archive.ubuntu.com/ubuntu/ precise-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/ precise-backports main restricted universe multiverse
# deb-src http://cn.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse

# deb http://security.ubuntu.com/ubuntu precise-security main restricted
# deb-src http://security.ubuntu.com/ubuntu precise-security main restricted
# deb http://security.ubuntu.com/ubuntu precise-security universe
# deb-src http://security.ubuntu.com/ubuntu precise-security universe
# deb http://security.ubuntu.com/ubuntu precise-security multiverse
# deb-src http://security.ubuntu.com/ubuntu precise-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 precise partner
# deb-src http://archive.canonical.com/ubuntu precise partner

## 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 precise main
# deb-src http://extras.ubuntu.com/ubuntu precise main

#网易 Ubuntu 源（速度很快）
deb http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse
deb-src http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse
deb http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted

#厦门大学
deb http://mirrors.xmu6.edu.cn/ubuntu/archive precise main restricted universe multiverse
deb http://mirrors.xmu6.edu.cn/ubuntu/archive precise-backports main restricted universe multiverse
deb http://mirrors.xmu6.edu.cn/ubuntu/archive precise-proposed main restricted universe multiverse
deb http://mirrors.xmu6.edu.cn/ubuntu/archive precise-security main restricted universe multiverse
deb http://mirrors.xmu6.edu.cn/ubuntu/archive precise-updates main restricted universe multiverse
deb-src http://mirrors.xmu6.edu.cn/ubuntu/archive precise main restricted universe multiverse
deb-src http://mirrors.xmu6.edu.cn/ubuntu/archive precise-backports main restricted universe multiverse
deb-src http://mirrors.xmu6.edu.cn/ubuntu/archive precise-proposed main restricted universe multiverse
deb-src http://mirrors.xmu6.edu.cn/ubuntu/archive precise-security main restricted universe multiverse
deb-src http://mirrors.xmu6.edu.cn/ubuntu/archive precise-updates main restricted universe multiverse

#电子科技大学
deb http://ubuntu.uestc.edu.cn/ubuntu/ precise main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ precise-backports main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ precise-proposed main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ precise-security main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ precise-updates main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ precise main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ precise-backports main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ precise-proposed main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ precise-security main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ precise-updates main restricted universe multiverse

#中国科技大学
deb http://debian.ustc.edu.cn/ubuntu/ precise main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ precise-backports restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ precise-proposed main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ precise-security main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ precise-updates main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ precise main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ precise-backports main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ precise-proposed main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ precise-security main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ precise-updates main restricted universe multiverse

#北京理工大学
deb http://mirror.bjtu.edu.cn/ubuntu/ precise main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ precise-backports main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ precise-proposed main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ precise-security main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ precise-updates main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ precise main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ precise-backports main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ precise-proposed main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ precise-security main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ precise-updates main multiverse restricted universe

#电子科技大
deb http://ubuntu.dormforce.net/ubuntu/ precise main restricted universe multiverse
deb http://ubuntu.dormforce.net/ubuntu/ precise-backports main restricted universe multiverse
deb http://ubuntu.dormforce.net/ubuntu/ precise-proposed main restricted universe multiverse
deb http://ubuntu.dormforce.net/ubuntu/ precise-security main restricted universe multiverse
deb http://ubuntu.dormforce.net/ubuntu/ precise-updates main restricted universe multiverse
deb-src http://ubuntu.dormforce.net/ubuntu/ precise main restricted universe multiverse
deb-src http://ubuntu.dormforce.net/ubuntu/ precise-backports main restricted universe multiverse
deb-src http://ubuntu.dormforce.net/ubuntu/ precise-proposed main restricted universe multiverse
deb-src http://ubuntu.dormforce.net/ubuntu/ precise-security main restricted universe multiverse
deb-src http://ubuntu.dormforce.net/ubuntu/ precise-updates main restricted universe multiverse
wzb@wzb:~$

1.备份原有源：sudo cp /etc/apt/sources.list{,_bak}

sudo cp /etc/apt/sources.list{,_bak}

2. 更新源：sudo vi /etc/apt/sources.list

sudo vi /etc/apt/sources.list

将新的源地址添加到sources.list文件中。

更多关于ubuntu 源地址的信息，请参考以下链接。

更多ubuntu版本的源的更新地址，请查看：

网易源：           http://mirrors.163.com/.help/ubuntu.html

                          http://ubuntu.cn99.com/.help/ubuntu.html

教育网：

中科大源：        http://lug.ustc.edu.cn/wiki/mirrors/help/ubuntu

电子科技大源：http://ubuntu.dormforce.net/

厦大源：           http://mirrors.xmu6.edu.cn/howto/

北理工源：       http://mirror6.bjtu.edu.cn/cn/howto.html

其他源：http://ubuntu.srt.cn/