現在本人為大家送上我一直在用的Ubuntu 8.04的更新源吧！
sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup （備份下當前的源列表，有備無患嘛.）
sudo gedit /etc/apt/sources.list （打開Ubuntu 8.04源列表文件）
在打開的文件的尾部空上一行把下面的源地址粘貼上去保存就OK了.
Ubuntu 8.04#cn99.com 源更新服務器（江蘇省常州市電信，推薦電信用戶使用，我自己是南方電信1M帶寬的用戶，更新速度平均有100K）：
deb http://ubuntu.cn99.com/ubuntu hardy main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu hardy main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu hardy-backports main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu hardy-backports main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu hardy-proposed main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu hardy-proposed main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu hardy-security main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu hardy-security main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu hardy-updates main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu hardy-updates main restricted universe multiverse
#Ubuntu 8.04 Hardy Heron
deb http://ubuntu.uestc.edu.cn/ubuntu/ hardy main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ hardy-backports main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ hardy-proposed main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ hardy-security main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/ hardy-updates main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ hardy main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ hardy-backports main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ hardy-proposed main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ hardy-security main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/ hardy-updates main restricted universe multiverse
我一直在用的，速度還不錯哦，我的1M的ADSL的速度都有100-120KB的速度的。
