> Edin Bektesevic wrote:
>> Another question on this subject: Is there any way to trap the event
>> of user pressing (and holding down) the OFF button? The good thing to
>> do would be to e.g. run a script unmounting all filesystems and
>> shutting down cleanly.
> We have considered such shutdown button in the beginning. It can be
> implemented very simply. Monitor an input (e.g. an input of an unused
> serial (e.g. DCD) or parallel port.
> Connect the "shutdown button" to this input. Run a shutdown sript as
> soon as the state on the input changes. The power supply is connected
> via a relay which is held up by an output
> (e.g. an output pin of the unused serial port (e.g. DTR). At the end of
> the shutdown script, bring this output (and thus the relay down) and
> thats it. The relay is switched on by both the switch and the output
> (logical or). etc.. So before booting the switch
> HOWEVER: this does not help you when you pull the plug instead of
> plipping the switch.
> So we abandoned the idea :)
> Now we just mount rw a little partition for configuration
> data and make sure it is written immediately. The rest stays ro.
> Jos Beck
Do you use the "-o sync" mount option?
--
Jim Dennis [EMAIL PROTECTED]
Linuxcare: Linux Corporate Support Team: http://www.linuxcare.com
