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Re: netboot

From: Adam Lackorzynski
Subject: Re: netboot
Date: Tue, 26 Jun 2007 11:28:21 +0200
User-agent: Mutt/1.5.13 (2006-08-11)

On Tue Jun 26, 2007 at 17:01:26 +0800, Bean wrote:
> On Tue, Jun 26, 2007 at 07:58:44AM +0200, Robert Millan wrote:
> > 
> > In the wiki there's a link titled "GRUB2 netboot development" that points
> > to:
> > 
> >
> > 
> >   (broken link)
> > 
> > Anyone knows what did this contain?  Is there uncommitted work for network
> > support there?  Who's guffens?
> I found an old article on this subject:
> It seems that vincent guffens has ported a glue to bind grub2 and etherboot
> together. However, it's no longer maintained, and the patch is nowhere to be
> found.
> But porting etherboot to grub2 may not be that difficult after all, we can
> use the driver from etherboot, and the glue code from Grub Legacy. The problem
> is etherboot used in Grub Legacy is very old (5.0.5). The data structure has
> changed a lot since then, so the glue code needs to be modified accordingly.
> There is another method, that is to rely on PXE sevice. I have written a
> PXE driver for grub4dos, it uses real mode service provided by PXE stack to
> access remote files, for example, to load a kernel from server, uses:
> kernel (pd)/vmlinuz
> init (pd)/initrd
> The advantage of this methid is that it doesn't rely on network card, the PXE
> stack handles difference internally. The disadvantage is that the stack is
> present only when booting from PXE ROM (hardware rom or software rom from
> etherboot).

There's also the PXE implementation in my patched grub1 version:

The grub-0.97-os.3.README has some more infos, version os.5 is the current
released version.

Adam                 address@hidden

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