[Gllug] Triggering an action on DHCPDISCOVER

[Juergen Schinker]

John Winters wrote:
> I'm trying to set up a really low power usage system.  The idea is that
> all that's left on all the time is an NSLU2 (which draws about 2 watts)
> as a DHCP/DNS server.  When a potential client connects the NSLU2 should
> send a WOL packet to the main server to bring it on line.
> 
> Now I can think of various cludgy ways to detect the arrival of a client
> (e.g. tail -f on /var/log/syslog and search for "DHCPDISCOVER") but I'm
> sure there must be a better (read, cleaner) way.
> 
> Any suggestions?
> 
> TIA,
> John

try monit

and think about the beagleboard in total also 2 watts

and can do everything a desktop can do
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