Grub Manual

[Jonathan Dieter]

On Sat, 2007-10-20 at 10:56 -0500, Les Mikesell wrote:
> All this talk about grub reminds me of something I wanted to do a few 
> years ago and never quite succeeded, so maybe someone else will know how.
> 
> I'd like to have a locally installed system, but have one of the boot 
> choices be to network-boot into an LTSP thin-client. I don't want to 
> just PXE boot because I want the default after a timeout to be a local 
> OS.  I thought some versions of grub used to be able to do the 
> equivalent of an etherboot internally, but that may be gone now.  If I 
> have a stand-alone bootable floppy or CD that will network-boot the way 
> I want, is there a way to copy that to the hard drive and make a grub 
> menu choice that will load it?

This isn't quite the way that you're describing, but I've set all of the
computers in our school to boot from PXE, and the default option in the
pxelinux.cfg/default is to boot from the local hard drive.  Whenever I
want to re-image the computers, I just change the default option and
send WOL to the computers.

The other thing you might try would be to use Rom-o-matic to generate an
etherboot floppy image for your network card and write it to a small
(~1MB) partition on your hard drive.  Then, in Grub do the whole
rootnoverify(hd0,x), chainloader +1 and see how that works.  I haven't
actually tried this method, but it seems that it should work.

Jonathan
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