deb http://ftp.ntua.gr/ubuntu dists/edgy main multiverse restricted universe 
deb-src http://ftp.ntua.gr/ubuntu dists/edgy main multiverse restricted universe 

deb http://ftp.ntua.gr/ubuntu dists/edgy-proposed main multiverse restricted universe 
deb-src http://ftp.ntua.gr/ubuntu dists/edgy-proposed main multiverse restricted universe 

deb http://ftp.ntua.gr/ubuntu dists/edgy-security main multiverse restricted universe 
deb-src http://ftp.ntua.gr/ubuntu dists/edgy-security main multiverse restricted universe 

deb http://ftp.ntua.gr/ubuntu dists/edgy-updates main multiverse restricted universe 
deb-src http://ftp.ntua.gr/ubuntu dists/edgy-updates main multiverse restricted universe 

#deb http://ftp.ntua.gr/ubuntu dists/edgy-backports main multiverse restricted universe 
#deb-src http://ftp.ntua.gr/ubuntu dists/edgy-backports main multiverse restricted universe