Automatic screen lock when leaving desk

[Bill Moran]

In response to Frederique Rijsdijk <frederique at isafeelin.org>:
> 
> I'm looking for a way to automaticaly lock my X session when I leave my
> desk. Probably just using 'xlockmore -mode blank' or such. But how to
> detect?
> 
> It could be infrared based (heat signature), video based (webcam w/
> motion detection) or even mechanical (switch in seat? meh..).
> 
> And how would FreeBSD interface with such device? Most likely via USB,
> since my lt doesn't have any serial ports.
> 
> Any ideas? Experience?

Unless your requirements are really as strict as you state, you're probably
better off just installing xscreensaver and configuring it to lock the
screen after a reasonable amount of inactivity.

-- 
Bill Moran
http://www.potentialtech.com
http://people.collaborativefusion.com/~wmoran/