I'll just repost it to the tomsrtbt list and then it will be findable in
the archives when someone is trying to figure this out.
FROM: users.sourceforge.net
DATE: 12/29/2001 00:53:38
SUBJECT: [Etherboot-users] netbooting tomsrtbt
I struggled for a while to make the floppy version netbootable then
remembered there is a CD version of tomsrtbt. This one turned out to
be
a cinch to netboot. So here are the notes.
Notes on turning tomsrtbt El Torito into a Etherboot image:
0. Tomsrtbt (http://www.toms.net/) is an all-purpose rescue and
utility
1-floppy Linux system. You can read all about it at the web site.
These
notes explain how to turn the El Torito version of it into a
netbootable
image for Etherboot. Note that the .img file is not an ISO image, it
is
a 2.88M floppy emulation image for writing onto a CD-R(W) with
mkisofs.
It's actually a minix filesystem. Inside it is the kernel zImage and
initrd.gz.
1. First uncompress the .img:
bunzip2 tomsrtbt-1.7.361.ElTorito.288.img.bz2
2. Mount the image using loopback. You probably need to be root to do
this:
mount -o ro,loop tomsrtbt-1.7.361.ElTorito.288.img
/media/floppy
I've specified /media/floppy which is the floppy mount point for my
system, but any convenient directory will do.
3. Copy the kernel image and initrd off it:
cp -p /media/floppy/zImage /media/floppy/initrd.gz .
4. Use mknbi-linux (or mkelf-linux) to make a netbootable image:
mknbi-linux --append='root=100' zImage initrd.gz > tomsrtbt.nb
root=100 means use /dev/ram0 (device 1,0) as the root device.
5. That's it. Clean up by unmounting the .img:
umount /media/cdrom
tomsrtbt.nb can now be loaded with Etherboot. Have fun.
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On Sat, 29 Dec 2001 [EMAIL PROTECTED] wrote:
> Date: Sat, 29 Dec 2001 20:15:39 +1100
> From: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> Subject: netbooting tomsrtbt
>
> Hi Tom,
>
> Happy New Year in advance, and thanks for tomsrtbt.
>
> You might find this posting by me to the Etherboot mailing list worth
> linking to somewhere.
>
> http://www.geocrawler.com/lists/3/SourceForge/5299/0/7420468/
>
> Cheers, Ken
>
