Auto-lock with a Bluetooth phone (was: Re: [lug] Installfest next Saturday.)

Nate Duehr nate at
Mon Aug 21 21:49:20 MDT 2006

On Aug 21, 2006, at 5:37 PM, Zan Lynx wrote:

> On Mon, 2006-08-21 at 17:16 -0600, Nate Duehr wrote:
> [snip]
>> I guess I "get it" a little more, but eventually it's going to  
>> come down
>> to a fob that stays on your person, in a pocket or keyring that if  
>> the
>> laptop is more than X distance from you it won't operate.  I swear.
> [snip]
> You can do this (I leave the details as an exercise for the  
> student, of
> course. :-)
> Use a Bluetooth cell-phone as the "fob", when the laptop loses the
> association, activate the screen-saver lock and schedule a shutdown or
> suspend-to-disk for 30 seconds.

OOOH.  I like.  :-)

> If it happens accidentally, that gives the user time to enter the
> password and stop the shutdown.


> More exciting would be to pack the laptop drive in thermite and short
> the battery pack through the igniter.  Not for those who forget to
> charge their cell phone. :->

No need for that, just use a Dell laptop -- they go up in flames all  
by themselves.  :-)

Nate Duehr
nate at

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