[Lvlug] Can't boot into Linux

Dann S. Washko dann@thelinuxlink.net
Wed, 23 Jan 2002 01:22:01 -0500


I believe you can also boot of the slack install disc and do the same
thing.  You would mount your old root, edit fstab, reboot, and pass the
root=/dev/hd? parameter at lilo prompt.

On Wed, 23 Jan 2002 01:20:42 -0500
"Dann S. Washko" <dann@thelinuxlink.net> wrote:

> Are you still using Slackware?  You can boot off the live slack cd and
> make the changes by mounting the partitions in the live eval.  Do you
> still have the Linuxcare rescue disc from the expo last year?
> 
> You can use 
> 
>    fdisk -l /dev/hd?
> 
> To list the partitions on the drives if you are not sure what may be
what.>  
> 
> After you make the changes in the fstab, you may want to change your
> lilo.conf.  When you run lilo to update, you must supply the -C option
and> the path to your new lilo.conf file (/etc/lilo.conf; the default,
would be> reading the lilo.conf from the slack live disc).
> 
> You know, will this work though?  Your lilo.conf probably points to the
> image file in /boot or / and this will be different than the kernel
image> current in these locations.  
> 
> Come to think of it, once you fix /etc/fstab, you may want to reboot and
> pass the 
> 
>    root=/dev/hd??
> 
> option at the lilo prompt.  This will give you the file system you want
> from which you can run lilo to make the necessary changes.  Just make
sure> /etc/lilo.conf is correct.
> 
> 
> 
> On Wed, 23 Jan 2002 00:09:23 -0500
> Faber Fedor <faber@linuxnj.com> wrote:
> 
> > On Tue, Jan 22, 2002 at 01:18:02PM -0500, Tom Stoddard wrote:
> > > I just put a new motherboard in my computer and am having trouble
> booting into Linux. The problem is that the IDE devices are all
different> now. My Linux partition used to be hdf5 now it's hdb5. Using
the Lilo boot> disk I entered the parameter "mount root=/dev/hdb5" and it
stops with an> error on /sbin/e2fsck. It gives me the option of booting
into single user> mode to fix the problem but when I do that it won't let
me modify any> files. It tells me that the file system is read only.> > 
> > > I'm guessing that the problem is due to the incorrect parameters in
> the fstab file but I can't change it. Can anyone give me some clues?> 
> > Yes.  You need to boot into "rescue mode".  How you do that is
specific> > to your distro.  I can tell you how to do it under Red Hat or
solaris,> > but I don't think you're running either of those. :-)
> > 
> > Basically, you want to boot off of the CD-ROM and load a "mini-root"
> > filesystem.  This means that you will load a mini linux OS (usually
into> > memory) which will give you just enough functionality to change
what you> > need to fix things.
> > 
> > For Red Hat 7.x (email me for details for RH < 7.0) you would do the
> > following:
> > 
> > - set your BIOS to boot off the CDROM
> > - put the first Red Hat CD in the drive and reboot
> > - type "linux rescue" at the prompt
> > - select the default answers for language, keyboard, etc.
> > - then you will be told that the system has mounted some partition
> >   (which may or may not be your original root) under /mnt/a IIRC.
> > - mount the partition that holds the file you want to edit and have at
> >   it
> > 
> > For Solaris 8.x, you would do the following:
> > 
> > - Put the first CD (known officially as "Software 1 of 2") into the
> drive> - get to the "ok" prompt and type "boot cdrom -s" (or is it "boot
> -s>   cdrom"?)
> > - when the system boots up, mount the partition in question to /a
(IIRC,> >   no other mount point will work)
> > - make your changes, save your changes and follow the SysAdmin
> >   Superstition by typing "sync" three times at the command prompt.
> > - reboot
> > 
> > HTH
> > 
> > -- 
> >  
> > Regards,
> >  
> > Faber                     
> > 
> > Linux New Jersey: Open Source Solutions for New Jersey
> > http://www.linuxnj.com
> > 
> > 
> > 
> > 
> > _______________________________________________
> > Lvlug mailing list
> > Lvlug@thelinuxlink.net
> > http://www.thelinuxlink.net/mailman/listinfo/lvlug
> 
> 
> -- 
> Daniel S. Washko
> Lehigh Valley Linux Users Group
> www.thelinuxlink.net/lvlinux
> get slack (www.slackware.com ) and get happy
> 
> _______________________________________________
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> Lvlug@thelinuxlink.net
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-- 
Daniel S. Washko
Lehigh Valley Linux Users Group
www.thelinuxlink.net/lvlinux
get slack (www.slackware.com ) and get happy