斯文L.M

教育网，一般使用中科大，上交或者成都电子科技大学的源再加上台湾官方源(可选)：
修改你的更新服务器列表。请在终端中执行下面的两条命令：

sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup（备份）
sudo gedit /etc/apt/sources.list
粘贴如下内容：

#中国科技大学
deb http://debian.ustc.edu.cn/ubuntu/ gutsy main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ gutsy-backports restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ gutsy-proposed main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ gutsy-security main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/ gutsy-updates main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ gutsy main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ gutsy-backports main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ gutsy-proposed main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ gutsy-security main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/ gutsy-updates main restricted universe multiverse

#上海交通大学
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy-backports main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy-proposed main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy-security main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/ hardy-updates main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu-cn/ hardy main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy-backports main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy-proposed main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy-security main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/ hardy-updates main multiverse restricted universe

#成都电子科技大学
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
deb http://ubuntu.uestc.edu.cn/ubuntu-cn hardy main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntustudio hardy main

#台湾官方源
deb http://tw.archive.ubuntu.com/ubuntu feisty main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu feisty-security main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu feisty-updates main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu feisty-backports main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu feisty-proposed main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu feisty main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu feisty-security main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu feisty-updates main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu feisty-backports main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu feisty-proposed main restricted universe multiverse