How do I determine which graphics card is being used?

[Scott Beamer]

Chris Jones spake thusly:

>> It shows up ($ lspci) but how do I tell if Ubuntu is using it, or the
>> onboard Intel graphics?
> 
> I would guess /var/log/Xorg.0.log would give you a clue which one is
> being used ?

Thanks. I knew there was a simple answer.

It appears to not to be the nVidia card (I'd rather it was). :(

http://paste2.org/p/697430