Wake-on-LAN

[Sharpe, Sam J]

2009/4/5 Timothy Murphy <gayleard at eircom.net>:
> Thanks for the response.
>
> Firstly, I have "Wake on LAN" enabled in the BIOS.
>
> Secondly, rather to my surprise the ethernet light goes off
> when I "Hibernate" (I should confess at this point
> that I am running Centos-5.3 on this machine,
> but thought that I was more likely to get a helpful response
> on the Fedora list!)
> but stays on when I shutdown.
>
> In neither case does ping or (attempted) ssh have any effect.
> How exactly is one meant to "wake from LAN".

One uses Magic Packets.
http://en.wikipedia.org/wiki/Wake-on-LAN

To do this, first install a wol client on another machine to broadcast
the wakeup:
# yum -y install wol

Then read about the options:
http://linux.die.net/man/1/wol

Then one wakes the target machine...

-- 
Sam