Re: SATA drive probs: Knoppix OK, but nothing else
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On Fri, 17 Mar 2006 06:19:58 -0600
Hugo Vanwoerkom <hvw59601@care2.com> wrote:
> Jacob S wrote:
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> > On Thu, 16 Mar 2006 14:01:02 -0600
> > Hugo Vanwoerkom <hvw59601@care2.com> wrote:
> >
> >> Jacob S wrote:
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> > <snip>
> >
> > Mount / as in the new root that you said you just installed but
> > can't get to boot. Don't forget to also mount /boot if it's not on
> > the / partition.
> >
> > The rationale for the chroot before running lilo is that it works
> > better, in my experience. Knoppix is usually a bit newer than Debian
> > Stable which can cause some compatability problems, and you already
> > mentioned that the lilo in Knoppix was giving you errors. After
> > doing a chroot, any commands you run (including lilo) would be
> > running the Sarge version that you just installed, rather than
> > Knoppix's version.
> >
>
> I tried that, and close but still no sigar...
>
> modprobe dm_mod is OK.
>
> Then I mount /mnt/hdc5 where the Sarge partition is, and
> chroot /mnt/hdc5.
>
> When I run sudo /sbin/lilo -v 5 I get:
>
> sudo: unable to lookup Knoppix via gethostbyname()
> LILO version 22.6.1, Copyright (C) 1992-1998 Werner Almesberger
> Development beyond version 21 Copyright (C) 1999-2004 John Coffman
> Released 17-Nov-2004, and compiled at 12:32:32 on May 25 2005
> Debian GNU/Linux
>
> raid_setup: dev=1605 rdev=0300
> raid_setup returns offset = 00000000 ndisk = 0
> BIOS VolumeID Device
> Reading boot sector from /dev/hda
> Fatal: open /dev/hda: Permission denied
>
> I set the permisions on /dev/hda to:
>
> brw-rw-rw- 1 root disk 3, 0 Feb 26 2005 /dev/hda
Did you change these permissions for /dev/hda in Knoppix, or in the
chroot? I suspect the permissions problem is from Knoppix, not your
chroot.
> But the error remained.
> How do I get past those permissions?
> Thanks for your help.
For grins, what happens if you su to root before you chroot? Knoppix
will let you su without a password, from what I recall. I tend to use
root for my admin. tasks, such as running lilo, so I'm not very
familiar with how it would work when run from sudo. I know sudo is
supposed to allow temporary (and limited) root privileges, but
obviously it's not giving full root in this case.
HTH,
Jacob
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