备份更新源设置： ＃ sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup00
修改更新源设置： # sudo gedit /etc/apt/sources.list
更新软件列表：   # sudo apt-get update
升级：#sudo apt-get upgrade
Ubuntu 9.10源列表：

台湾

代码:

deb http://tw.archive.ubuntu.com/ubuntu/ karmic main universe restricted multiverse
deb http://tw.archive.ubuntu.com/ubuntu/ karmic-updates universe main multiverse restricted
deb http://tw.archive.ubuntu.com/ubuntu/ karmic-proposed universe main multiverse restricted
deb http://tw.archive.ubuntu.com/ubuntu/ karmic-security universe main multiverse restricted
deb http://tw.archive.ubuntu.com/ubuntu/ karmic-backports main multiverse restricted universe
deb-src http://tw.archive.ubuntu.com/ubuntu/ karmic main universe restricted multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu/ karmic-security universe main multiverse restricted
deb-src http://tw.archive.ubuntu.com/ubuntu/ karmic-updates universe main multiverse restricted
deb-src http://tw.archive.ubuntu.com/ubuntu/ karmic-proposed universe main multiverse restricted deb-src http://tw.archive.ubuntu.com/ubuntu/ karmic-backports universe main multiverse restricted

SRT Sources

代码:

deb http://ubuntu.srt.cn/ubuntu/ karmic main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic-security main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic-updates main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic-proposed main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic-security main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic-backports main restricted universe multiverse

搜狐（速度很快，稍微不完整）

代码:

deb http://mirrors.sohu.com/ubuntu/ karmic main restricted
deb-src http://mirrors.sohu.com/ubuntu/ karmic main restricted
deb http://mirrors.sohu.com/ubuntu/ karmic-updates main restricted
deb-src http://mirrors.sohu.com/ubuntu/ karmic-updates main restricted
deb http://mirrors.sohu.com/ubuntu/ karmic universe
deb-src http://mirrors.sohu.com/ubuntu/ karmic universe
deb http://mirrors.sohu.com/ubuntu/ karmic-updates universe
deb-src http://mirrors.sohu.com/ubuntu/ karmic-updates universe
deb http://mirrors.sohu.com/ubuntu/ karmic multiverse
deb-src http://mirrors.sohu.com/ubuntu/ karmic multiverse
deb http://mirrors.sohu.com/ubuntu/ karmic-updates multiverse
deb-src http://mirrors.sohu.com/ubuntu/ karmic-updates multiverse

北京交通大学

代码:

deb http://mirror.bjtu.edu.cn/ubuntu/ karmic main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ karmic-backports main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ karmic-proposed main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ karmic-security main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/ karmic-updates main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ karmic main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ karmic-backports main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ karmic-proposed main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ karmic-security main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/ karmic-updates main multiverse restricted universe

马来西亚

代码:

deb http://archive.mmu.edu.my/ubuntu/ karmic main restricted universe multiverse
deb http://archive.mmu.edu.my/ubuntu/ karmic-security main restricted universe multiverse
deb http://archive.mmu.edu.my/ubuntu/ karmic-updates main restricted universe multiverse
deb http://archive.mmu.edu.my/ubuntu/ karmic-proposed main restricted universe multiverse
deb http://archive.mmu.edu.my/ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://archive.mmu.edu.my/ubuntu/ karmic main restricted universe multiverse
deb-src http://archive.mmu.edu.my/ubuntu/ karmic-security main restricted universe multiverse
deb-src http://archive.mmu.edu.my/ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://archive.mmu.edu.my/ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://archive.mmu.edu.my/ubuntu/ karmic-backports main restricted universe multiverse

江苏双线

代码:

deb http://mirror.lupaworld.com/ubuntu karmic main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu karmic-security main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu karmic-updates main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu karmic-backports main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/ubuntu-cn karmic main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic-security main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic-updates main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic-backports main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu/ karmic-proposed main restricted universe multiverse

日本

代码:

deb http://jp.archive.ubuntu.com/ubuntu/ karmic main universe restricted multiverse
deb http://security.ubuntu.com/ubuntu/ karmic-security universe main multiverse restricted
deb http://jp.archive.ubuntu.com/ubuntu/ karmic-updates universe main multiverse restricted
deb http://jp.archive.ubuntu.com/ubuntu/ karmic-proposed universe main multiverse restricted
deb-src http://jp.archive.ubuntu.com/ubuntu/ karmic main universe restricted multiverse
deb-src http://jp.archive.ubuntu.com/ubuntu/ karmic-proposed universe main multiverse restricted
deb-src http://jp.archive.ubuntu.com/ubuntu/ karmic-security universe main multiverse restricted
deb-src http://jp.archive.ubuntu.com/ubuntu/ karmic-updates universe main multiverse restricted