[ale] why Linux hurts/disappoints me more than once

Michael H. Warfield mhw at WittsEnd.com
Sat Nov 27 15:24:06 EST 2010


On Sat, 2010-11-27 at 15:00 -0500, Narahari 'n' Savitha wrote:
> Thank You.  If I cant even get into the OS how can I do what you have
> suggested.

Boot the Ubuntu run-live and work from the CD while you diagnose the HD?

There's all sorts of run-live CD's out there like my favorite to
customize, the Network Security Toolkit or NST, but you should have
everything you need on that Ubuntu CD.

> Is there something that I can do to get to the shell  to run
> commands ?
> 
> -Narahari

Regards,
Mike

> On Sat, Nov 27, 2010 at 11:24 AM, Kaerka Phillips
> <kbphillips80 at gmail.com>wrote:
> 
> > Based your details, this doesn't sound like a hard drive failure,
> but
> > instead, like there is a gpt bootsector installed rather than an
> mbr, or
> > other unrecognisable bootsector.
> > One way to determine this would be to use either gparted or fdisk on
> the
> > drive to determine the mbr/gpt type, and if you do have gpt in use,
> then
> > install grub2 instead of regular grub to handle this.  If it is an
> mbr, but
> > grub hasn't properly installed to it, you may need to do a
> grub-install to
> > change the mbr.  Another area that could be an issue is if the boot
> > partition or drive isn't set to active, this could cause a similar
> failure.
> >
> >
> > "Installed UBUNTU 10.04 server, installation went fine but then
> after
> > reboot I got Unable to mount root fs unknown block (0,0)."
> >
> > There really isn't enough technical details here to do much more
> than
> > guess, but I would also ask - why Ubuntu Server rather than
> something like
> > Mythbuntu?  (http://www.mythbuntu.org/)
> >
> > Last but not least, did you wipe out the partition table and mbr
> from the
> > previous windows install (was it Win7 by chance?)?  Or just install
> over it?
> >
> > If you've left windows partitions on the drive, this can also be an
> issue
> > to work around, in that you'll need to adjust how grub sees the
> bootsector
> > and boot partition, drive order, and where you install the grub
> bootloader.
> >
> > On Sat, Nov 27, 2010 at 10:10 AM, Narahari 'n' Savitha <
> > savithari at gmail.com> wrote:
> >
> >> Friends:
> >>
> >> I have this decently good machine AMD BE2400.  I have Windoze on it
> for my
> >> other folks at home to use as my pseudo-HTPC.  I wanted to convert
> that to
> >> MYTH TV SERVER(It has 2 TB of storage)
> >>
> >> Installed UBUNTU 10.04 server, installation went fine but then
> after
> >> reboot I got Unable to mount root fs unknown block (0,0).
> >>
> >> Cleaned out that install put the DEBIAN SQUEEZE on the machine.
> The
> >> installation went fine but this time also after reboot I am getting
> Unable
> >> to mount root fs unknown block (0,0).
> >>
> >> Before you folks say anything, this is quite a new Hard drive, may
> be 1.5
> >> year old, very light use.  So bad hard drive is ruled out.
> >>
> >> Any hints how I can fix this ?
> >>
> >> -Narahari
> >> 
-- 
Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw at WittsEnd.com
   /\/\|=mhw=|\/\/          | (678) 463-0932 |  http://www.wittsend.com/mhw/
   NIC whois: MHW9          | An optimist believes we live in the best of all
 PGP Key: 0x674627FF        | possible worlds.  A pessimist is sure of it!
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