ernz@ErnzPC:~$ dpkg -l "*nvidia-glx*"
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Installed/Config-files/Unpacked/Failed-config/Half-installed
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
pn  nvidia-glx     <none>         (no description available)
pn  nvidia-glx-dev <none>         (no description available)
un  nvidia-glx-leg <none>         (no description available)
un  nvidia-glx-src <none>         (no description available)