root@ubuntu:/# dpkg --list | grep nvidia
ii  nvidia-173-modaliases                     173.14.12-1-0ubuntu3                  Modaliases for the NVIDIA binary X.Org drive
ii  nvidia-177-modaliases                     177.76-0ubuntu1                       Modaliases for the NVIDIA binary X.Org drive
ii  nvidia-71-modaliases                      71.86.04-0ubuntu10                    Modaliases for the NVIDIA binary X.Org drive
ii  nvidia-96-modaliases                      96.43.05-0ubuntu10                    Modaliases for the NVIDIA binary X.Org drive
ii  nvidia-common                             0.2.3                                 Find obsolete NVIDIA drivers