###### Ubuntu Main Repos
deb http://de.archive.ubuntu.com/ubuntu/ precise main universe multiverse 
deb-src http://de.archive.ubuntu.com/ubuntu/ precise main universe multiverse 

###### Ubuntu Update Repos
deb http://de.archive.ubuntu.com/ubuntu/ precise-security main universe multiverse 
deb http://de.archive.ubuntu.com/ubuntu/ precise-updates main universe multiverse 
deb http://de.archive.ubuntu.com/ubuntu/ precise-backports main universe multiverse 
deb-src http://de.archive.ubuntu.com/ubuntu/ precise-security main universe multiverse 
deb-src http://de.archive.ubuntu.com/ubuntu/ precise-updates main universe multiverse 
deb-src http://de.archive.ubuntu.com/ubuntu/ precise-backports main universe multiverse