ubuntu 各版本更新源，速度快

http://ubuntu.srt.cn/

更新方法

sudo gedit /etc/apt/sources.list

sudo apt-get update

If you are using Oneiric (11.10):

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

[/code]

If you are using Natty (11.04):

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

[/code]

If you are using Maverick (10.10):

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

If you are using Lucid (10.04):

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

If you are using Hardy (8.04):

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