對於電信網路使用者，推薦 希網的源，速度非常快。
deb http://ubuntu.cn99.com/ubuntu gutsy main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu gutsy main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu gutsy-backports main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu gutsy-backports main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu gutsy-proposed main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu gutsy-proposed main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu gutsy-security main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu gutsy-security main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu gutsy-updates main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu gutsy-updates main restricted universe multiverse
此外還有 Ubuntu 中國官方源，伺服器位於上海，也是電信網路。
deb http://cn.archive.ubuntu.com/ubuntu gutsy main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu gutsy main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu gutsy-backports main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu gutsy-backports main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu gutsy-proposed main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu gutsy-proposed main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu gutsy-security main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu gutsy-security main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu gutsy-updates main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu gutsy-updates main restricted universe multiverse
對於網通網路使用者，可以考慮使用台灣的源。
Ubuntu 台灣官方源（伺服器實際上也是位於 台灣大學的）：
deb http://tw.archive.ubuntu.com/ubuntu gutsy main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu gutsy main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu gutsy-backports main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu gutsy-backports main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu gutsy-proposed main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu gutsy-proposed main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu gutsy-security main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu gutsy-security main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu gutsy-updates main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu gutsy-updates main restricted universe multiverse
台灣大學源：
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ gutsy main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ gutsy main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ gutsy-updates main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ gutsy-updates main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ gutsy-backports main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ gutsy-backports main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ gutsy-security main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ gutsy-security main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu gutsy-proposed main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu gutsy-proposed main restricted universe multiverse
另外，ubuntu-cn 的配置對於中國使用者來說也是不可少的，可以採用 cn99的設定：
deb http://ubuntu.cn99.com/ubuntu-cn/ feisty main restricted universe multiverse
