deb http://ftp.sjtu.edu.cn/debian lenny main non-free contrib deb http://ftp.sjtu.edu.cn/debian lenny-proposed-updates main non-free contrib deb http://ftp.sjtu.edu.cn/debian-security lenny/updates main non-free contrib
deb http://mirrors.163.com/debian squeeze main deb http://mirrors.163.com/debian squeeze-proposed-updates main deb http://mirrors.163.com/debian-security squeeze/updates main
