感谢Linuxidc的整理，以下是ubuntu 9.10 教育网的源:
deb http://Ubuntu.uestc.edu.cn/ubuntu/ karmic main restricted universe multiverse
deb http://Ubuntu.uestc.edu.cn/ubuntu/ karmic-backports main restricted universe multiverse
deb http://Ubuntu.uestc.edu.cn/ubuntu/ karmic-proposed main restricted universe multiverse
deb http://Ubuntu.uestc.edu.cn/ubuntu/ karmic-security main restricted universe multiverse
deb http://Ubuntu.uestc.edu.cn/ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://Ubuntu.uestc.edu.cn/ubuntu/ karmic main restricted universe multiverse
deb-src http://Ubuntu.uestc.edu.cn/ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://Ubuntu.uestc.edu.cn/ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://Ubuntu.uestc.edu.cn/ubuntu/ karmic-security main restricted universe multiverse
deb-src http://Ubuntu.uestc.edu.cn/ubuntu/ karmic-updates main restricted universe multiverse
deb http://debian.ustc.edu.cn/Ubuntu/ karmic main restricted universe multiverse
deb http://debian.ustc.edu.cn/Ubuntu/ karmic-backports restricted universe multiverse
deb http://debian.ustc.edu.cn/Ubuntu/ karmic-proposed main restricted universe multiverse
deb http://debian.ustc.edu.cn/Ubuntu/ karmic-security main restricted universe multiverse
deb http://debian.ustc.edu.cn/Ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/Ubuntu/ karmic main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/Ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/Ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/Ubuntu/ karmic-security main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/Ubuntu/ karmic-updates main restricted universe multiverse
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
deb ftp://mirror.lzu.edu.cn/Ubuntu/ karmic main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/Ubuntu/ karmic-backports main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/Ubuntu/ karmic-proposed main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/Ubuntu/ karmic-security main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/Ubuntu/ karmic-updates main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/Ubuntu-cn/ karmic main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/Ubuntu/ karmic main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/Ubuntu/ karmic-backports main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/Ubuntu/ karmic-proposed main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/Ubuntu/ karmic-security main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/Ubuntu/ karmic-updates main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/Ubuntu-cn/ karmic main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/Ubuntu/ karmic main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/Ubuntu/ karmic-backports main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/Ubuntu/ karmic-proposed main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/Ubuntu/ karmic-security main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/Ubuntu/ karmic-updates main multiverse restricted universe
deb http://mirrors.163.com/Ubuntu/ karmic main restricted universe multiverse
deb http://mirrors.163.com/Ubuntu/ karmic-security main restricted universe multiverse
deb http://mirrors.163.com/Ubuntu/ karmic-updates main restricted universe multiverse
deb http://mirrors.163.com/Ubuntu/ karmic-proposed main restricted universe multiverse
deb http://mirrors.163.com/Ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://mirrors.163.com/Ubuntu/ karmic main restricted universe multiverse
deb-src http://mirrors.163.com/Ubuntu/ karmic-security main restricted universe multiverse
deb-src http://mirrors.163.com/Ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://mirrors.163.com/Ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://mirrors.163.com/Ubuntu/ karmic-backports main restricted universe multiverse