<br><br><div class="gmail_quote">On Sun, Apr 5, 2009 at 4:39 PM, Sharpe, Sam J <span dir="ltr"><<a href="mailto:sam.sharpe%2Blists.redhat@gmail.com">sam.sharpe+lists.redhat@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
2009/4/5 Timothy Murphy <<a href="mailto:gayleard@eircom.net">gayleard@eircom.net</a>>:<br>
<div class="im">> Thanks for the response.<br>
><br>
> Firstly, I have "Wake on LAN" enabled in the BIOS.<br>
><br>
> Secondly, rather to my surprise the ethernet light goes off<br>
> when I "Hibernate" (I should confess at this point<br>
> that I am running Centos-5.3 on this machine,<br>
> but thought that I was more likely to get a helpful response<br>
> on the Fedora list!)<br>
> but stays on when I shutdown.<br>
><br>
> In neither case does ping or (attempted) ssh have any effect.<br>
> How exactly is one meant to "wake from LAN".<br>
<br>
</div>One uses Magic Packets.<br>
<a href="http://en.wikipedia.org/wiki/Wake-on-LAN" target="_blank">http://en.wikipedia.org/wiki/Wake-on-LAN</a><br>
<br>
To do this, first install a wol client on another machine to broadcast<br>
the wakeup:<br>
# yum -y install wol<br>
<br>
Then read about the options:<br>
<a href="http://linux.die.net/man/1/wol" target="_blank">http://linux.die.net/man/1/wol</a><br>
<br>
Then one wakes the target machine...<br>
<br>
</blockquote><div><br>All my Intel mobos with onboard network can be waked up (no need to install anything, but net-tools):<br><br>sudo /sbin/ether-wake ip-addr (wakes computer with ip-addr)<br><br>Then, in /etc/ethers, I have the mac addresses associated to IP addresses:<br>
<br># see man ethers for syntax<br># andromeda<br>XX:XX:XX:XX:XX:XX ip-addr<br><br><br>Never tried with suspend or hibernate. Only when the computer power is off.<br><br></div></div><br>-- <br>Paulo Roma Cavalcanti<br>LCG - UFRJ<br>