loki@loki:~$ sudo dkms status
bbswitch, 0.7, 3.13.0-24-generic, x86_64: built
bbswitch, 0.7, 3.13.0-29-generic, i686: installed
bbswitch, 0.7, 3.13.0-29-generic, x86_64: built
bbswitch, 0.7, 3.13.0-46-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-49-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-51-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-52-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-53-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-55-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-61-generic, x86_64: installed
nvidia-355, 355.06, 3.13.0-61-generic, x86_64: installed
uvesafb_scale, 0.1: added
virtualbox, 4.3.10, 3.13.0-24-generic, x86_64: built
virtualbox, 4.3.10, 3.13.0-29-generic, x86_64: built
virtualbox, 4.3.10, 3.13.0-53-generic, x86_64: installed
virtualbox, 4.3.10, 3.13.0-55-generic, x86_64: installed
virtualbox, 4.3.10, 3.13.0-61-generic, x86_64: installed
loki@loki:~$ uname -a
Linux loki 3.13.0-63-generic #103-Ubuntu SMP Fri Aug 14 21:42:59 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
loki@loki:~$ lsmod | grep nvidia
nvidia               8660996  77
drm                   303102  2 nvidia
loki@loki:~$