Debian教育网更新源

$ sudo vim /etc/apt/sources.lst

添加如下内容，把原来的注释，然后

$ sudo apt-get update

就可以使用教育网中很快的源了。

deb http://debian.ustc.edu.cn/debian lenny main contrib non-free
deb-src http://debian.ustc.edu.cn/debian lenny main contrib non-free

deb http://debian.ustc.edu.cn/debian-security lenny/updates main contrib non-free
deb-src http://debian.ustc.edu.cn/debian-security lenny/updates main contrib non-free

deb http://ftp.sjtu.edu.cn/debian lenny main contrib non-free
deb-src http://ftp.sjtu.edu.cn/debian lenny main contrib non-free