deb http://ftp.inf.tu-dresden.de/os/linux/dists/ubuntu dapper main restricted universe multiverse
deb-src http://ftp.inf.tu-dresden.de/os/linux/dists/ubuntu dapper main restricted universe multiverse

deb http://ftp.inf.tu-dresden.de/os/linux/dists/ubuntu dapper-updates main restricted universe multive
deb-src http://ftp.inf.tu-dresden.de/os/linux/dists/ubuntu dapper-updates main restricted universe multiverse

deb http://ftp.inf.tu-dresden.de/os/linux/dists/ubuntu dapper-security main restricted universe multiverse
deb-src http://ftp.inf.tu-dresden.de/os/linux/dists/ubuntu dapper-security main restricted universe multiverse