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

建议继续学习：

1. Ubuntu 下Hash校验和不符问题的解决    (阅读：4682)
2. ubuntu10.10 使用mrtg监控服务器的cpu、内存、网络等等情况    (阅读：3895)
3. 记一下我的ubuntu升级到10.04时遇到都问题    (阅读：3861)
4. Ubuntu中apt-get列出的软件包前面的字母标识含义    (阅读：3619)
5. Ubuntu上激活ATI/AMD专有的FGLRX驱动进不了图形界面的解决办法    (阅读：3472)
6. Windows、RedHat、CentOS和Ubuntu操作系统生命周期    (阅读：3310)
7. ubuntu下移动mysql数据库位置    (阅读：3042)
8. 解决 Ubuntu 登录时用户名中不能含有“@”的问题    (阅读：2895)
9. 解决 ubuntu ssh 慢的问题    (阅读：2812)
10. ubuntu 9.10快速安装nginx+php环境手记    (阅读：2765)