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Old 11-13-2004, 12:05 AM   #1
Registered: Sep 2004
Distribution: Ubuntu
Posts: 109

Rep: Reputation: 15
grub gripe (/boot/boot/boot/grub)

Short version: I just installed Slack 10.0 on an old box. I have /boot as a separate partition on which I wanted grub. Slack doesn't have grub, so I booted up Knoppix 3.3 and tried installing it from there. grub-install creates a /boot/boot/grub directory and puts all its files in there instead of /boot/grub.

Long version. I tried all of the following:
mount /dev/hda1 /mnt/hda1
grub-install --root-directory=/mnt/hda1 '(hd0)'
grub-install --root-directory=/mnt/hda1 /dev/hda

unlink /boot    # this is a link to /KNOPPIX/boot by default
mkdir /boot
mount /dev/hda1 /boot   # thinking maybe having "boot" in the name makes a difference
grub-install --root-directory=/boot '(hd0)'
grub-install --root-directory=/boot /dev/hda
None of those worked.

So then I went into the grub-install script, extracted the relevant parts (after the comment "Now perform the installation" in the script), and ran them manually with the appropriate tweaks. That didn't work either: it gave me "Error 15: file not found" (I'm quoting from memory). The "setup" command in grub-install seems to run an "install" command. I tried playing around with that too, with no results.

Having spent more than an hour on this, I just now decided to go with /boot/boot/grub (which after all works fine). At this point if grub wanted to give me /boot/boot/boot/boot/boot/boot/grub I would accept it. But it still seems strange. I can't imagine this is an unusual configuration (and in fact this is exactly the way I have my other desktop set up, and it works just fine!).

Any ideas? Thanks.
Old 11-14-2004, 03:05 AM   #2
Registered: Jun 2004
Location: Northern CA
Distribution: Debian
Posts: 835

Rep: Reputation: 49

That's nothing, you could go for as long as you wanted on my system and it would still pick it up! Jokeing aside, many distributions place a sym link in /boot pointing to itself. On my system if I go to /boot and type "ls -l" then it tells me there is a "boot -> ." item in my /boot directory. the period is a short cut way to refer to whatever directory you are already in (.. refers to the next level up). This way, /boot has itself inside itself. /boot, /boot/boot, /boot/boot/boot, etc. are all really the same directory on this type of system.

I don't know why some things require access to /boot/boot, but apparently some do. This is the most common way around the problem that I have seen.
Old 11-14-2004, 08:01 AM   #3
Andrew Benton
Senior Member
Registered: Aug 2003
Location: Birkenhead/Britain
Distribution: Linux From Scratch
Posts: 2,073

Rep: Reputation: 64
What partition is your boot partition that has /grub/menu.lst on it? If it's hda3 (for example), subtract 1 from it and call it (hd0,2) so grub will understand you (grub counts from 0 so all numbers are one less than you'd expect. It uses numbers not letters, hence the 0 instead of a). Then run grub

> root (hd0,2)
> setup (hd0)
> quit

Make sure you change the root (hd0,2) line to reflect where menu.lst is. The setup (hd0) line means install grub on the MBR


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