how to test restricted nvidia drivers on live cd without CAB?

[Odysseus Flappington]

2009/2/16 Lars Wirzenius <lars at ubuntu.com>:
> ma, 2009-02-16 kello 11:51 +0000, Odysseus Flappington kirjoitti:
>> One trick I've used quite a few times, was to test to see if the
>> nvidia restricted drivers would work on a machine before installing by
>> doing the following:
>>
>> 1) booting a live cd
>> 2) installing the restricted drivers
>> 3) pressing ctrl+alt+backspace to load them
>>
>> Will this be possible in 9.04 without CAB?
>
> It is always possible to restart the X server without
> Control-Alt-Backspace. For example, you can reboot the machine by using
> the power or reset buttions.
>
> If you find Control-Alt-Backspace to be more convenient to you, can
> enable it even in jaunty.
>
>
>
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I'm just kinda asking how to restart X without rebooting the computer,
so that I can test nvidia drivers in a live cd session..

I take it there must be a way from the command-line.. Oliver suggested
logging out and back in again.. hopefully that'll actually reload the
gfx drivers.

Alex