#cat /etc/apt/sources.list                                                                                                                                                                                                                              
#deb cdrom:[Kubuntu 15.10 _Wily Werewolf_ - Release amd64 (20151021)]/ wily main multiverse restricted universe
deb http://archive.ubuntu.com/ubuntu/ wily main restricted universe
deb http://security.ubuntu.com/ubuntu/ wily-security main restricted universe
deb http://archive.ubuntu.com/ubuntu/ wily-updates main restricted universe