:~$ sudo apt-get install --install-recommends linux-generic-lts-utopic xserver-xorg-lts-utopic libgl1-mesa-glx-lts-utopic libegl1-mesa-drivers-lts-utopic
[sudo] password for patrick: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package linux-generic-lts-utopic
E: Unable to locate package xserver-xorg-lts-utopic
E: Unable to locate package libgl1-mesa-glx-lts-utopic
E: Unable to locate package libegl1-mesa-drivers-lts-utopic