New Monitor
Bob McClure Jr
bob at bobcatos.com
Wed Feb 25 20:59:06 UTC 2009
On Wed, Feb 25, 2009 at 02:53:04PM -0500, Brenda Radford wrote:
>
>
>
>
> _____
>
> From: redhat-install-list-bounces at redhat.com
> [mailto:redhat-install-list-bounces at redhat.com] On Behalf Of Ted Potter
> Sent: Wednesday, February 25, 2009 1:58 PM
> To: Getting started with Red Hat Linux
> Subject: Re: New Monitor
>
>
>
>
>
> On Wed, Feb 25, 2009 at 10:36 AM, Brenda Radford <brkittycat at verizon.net>
> wrote:
>
>
>
> -----Original Message-----
> From: redhat-install-list-bounces at redhat.com
>
> [mailto:redhat-install-list-bounces at redhat.com] On Behalf Of Bob McClure Jr
> Sent: Tuesday, February 24, 2009 9:29 PM
> To: Getting started with Red Hat Linux
> Subject: Re: New Monitor
>
> On Tue, Feb 24, 2009 at 08:48:29PM -0500, Brenda Radford wrote:
> >
> > <some, otherwise fine, but irrelevant at this point, snippage>
> >
> > If it does see the hard drive, you might want to try to reset the BIOS
> > to its default settings. If the machine hasn't been fired up in a
> > while, it is possible that some of the BIOS settings got glitched due
> > to an old motherboard CMOS battery (that's a button-shaped battery on
> > the motherboard that keeps the CMOS memory holding the BIOS settings
> > alive when the machine's powered down). If that's the case, and once
> > you get the machine up, you really need to replace that CMOS battery.
> >
> > >
> > >> I do not know how to boot up in text only mode. You will have to tell
> me
> > how
> > >> to do that
> >
> > As to booting in text mode, it sounds complicated but it isn't:
> >
> > 1. Wait for the grub menu to come up, then press the spacebar.
> >
> > 2. Use the keyboard up and down arrow keys to highlight the kernel you
> > want to boot (it's probably already selected).
> >
> > 3. Press "E" (for "Edit"). You'll be shown a couple of lines of text.
> >
> > 4. Use the up/down arrow keys to select the line that starts with the
> > word "kernel".
> >
> > 5. Press "E" again and that line of text will be displayed for editing.
> >
> > 6. Press the "End" key on your keyboard or use the right arrow key to
> > get to the end of the line.
> >
> > 7. Add " text" OR " 3" (that's a space and the word "text" OR a space
> > and the digit "3") to the end of the line. Do NOT include the quotes.
> > The end of the line should look something like:
> >
> > rhgb quiet text
> > or
> > rhgb quiet 3
> >
> > 8. Press the "ENTER" key to save the line.
> >
> > 9. Press "B" to boot the kernel with the changes.
> >
> > Note that these changes are only temporary and will work for THIS boot.
> > If you reboot, you'll have to do this again.
> >
> > >>
> > >> I hope it is not DOA. It was working a couple of months ago. I did not
> > have
> > >> the money to renew my Red Hat Academic subscription until today, and I
> > was
> > >> hoping to get the box updated.
> >
> > We'll get it sorted. It's difficult to diagnose remotely and on a
> > mailing list to boot, but we've done far more arcane things here! :-)
> >
> > >> Thanks to all you guys; I hope I answered all your questions. I love
> this
> > >> install list.
> >
> > If you could, Brenda, try not to top post. It makes following the
> > logic of the messages difficult. It's better to place your comments
> > and responses below what you're commenting on (as we try to do).
> >
> > Windows mail clients default to top posting, but nothing says you HAVE
> > to put your response there. Just use the arrow keys to scroll down to
> > where you want to put your comment and do it your way.
> >
> > ----------------------------------------------------------------------
> > - Rick Stevens, Systems Engineer ricks at nerd.com -
> > - AIM/Skype: therps2 ICQ: 22643734 Yahoo: origrps2 -
> > - -
> > - Make it idiot proof and someone will make a better idiot. -
> > ----------------------------------------------------------------------
> >
> > I opened up the case and reseated the memory and made sure the hard drive
> > was plugged in properly and reconnected the floppy drive (I think the
> cable
> > was on backwards; I seem to remember that makes the light stay on) and
> fired
> > it up again and got it working with the new monitor. I went into grub,
> > changed it to text, and pressed B to boot the kernel with the changes.
> > Then I got these error messages:
> >
> > VFS: can't find ext 3 filesystem on dev dm-0
> > mount: error 22 mounting ext 3
> > mount: error 2 mounting none
> > switchroot: mount failed: 22
> > umount/initrd/dev failed: 2
> > Kernel panic - not syncing: Attempted to kill init!
> >
> > This cannot be good. Something is wrong with the hard drive, is that what
> it
> > all means?
>
> Well, the drive's not totally toast, since it booted partway, but one
> of the filesystems is in a hurting status.
>
> > FYI, I was able to boot with Knoppix.
>
> Is that a live CD? If so, you can do some poking around, starting
> with:
>
> fdisk -l # that's "ell", not one
> lvscan
>
> The first will find all the physical partitions. The next will find
> all the logical volumes. Let us know what they report.
>
> For each of the partitions listed as a Linux (type 83) filesystem, run
>
> e2fsck /dev/hdax # where "x" is the partition number
>
> For each of the LVs (if any), run
>
> e2fsck /dev/<vgname>/<lvname>
>
> Make a note of which one(s) ha(ve|s) problems.
>
> If you still have your distribution disks, boot with Disc 1, and at
> the Boot: prompt, put "linux rescue".
>
> When it asks about networking, tell it no. When it offers to mount
> any filesystems, tell it "continue" (i.e. make it so). Some of the
> mounts will probably fail, but if any succeed, you can
>
> chroot /mnt/sysimage
>
> The do a
>
> cat /etc/fstab
>
> and report the results.
>
> Don't know what more to suggest until we get that information. At
> that point, you can
>
> exit # or Ctrl-D out of the chroot shell
> exit # or Ctrl-D, yes, again, to reboot
>
> After it says something about "rebooting", let it roll to see if
> something wonderful happens, or just shut it down.
>
> > Thanks
> > Brenda
>
> Cheers,
> --
> Bob McClure, Jr. Bobcat Open Systems, Inc.
> bob at bobcatos.com http://www.bobcatos.com
> Never be lacking in zeal, but keep your spiritual fervor, serving the
> Lord. Romans 12:11 (NIV)
>
>
>
>
> fdisk -l
>
> Device boot start end ID system
>
> /dev/hde1 * 1 13 83 Linux
> /dev/hde2 14 9729 8e Linux LVM
>
> lvscan
>
> inactive /dev/VolGroup00/LogVol00 [72.62GB] inherit
> inactive /dev/VolGroup00/LogVol01 [1.75GB] inherit
>
>
> e2fsck /dev/<vgname>/<lvname>
> /dev/VolGroup00/LogVol00
> /dev/VolGroup00/LogVol01
> I got this error message for both:
>
> No such file or directory while trying to open
> The superblock could not be read or does not describe a correct ext2
> filesystem. If the device is valid and it really contains an ext2 file
> system (and not swap or ufs or something else), then the superblock is
> corrupt and you might try running e2fsck with an alternate superblock:
> E2fsck -b 8193 <device>
I'm guessing that's because they weren't activated, but ...
> Linux rescue gave me this:
> You don't have any Linux partitions.
If there was anything useful there, it should have found it, so it's
probably reinstall time, but I will defer to Rick's judgement. He may
(and frequently does) know something I don't.
> The chroot /mnt/sysimage
> And cat /etc/fstab also failed. No such file or directory
>
> Nothing wonderful happened when it rebooted.
>
> Now what do I do? Do I have to start over with a fresh install?
> This reminds me of a blue screen in Windows. I had one of those last
> January.
>
> Thanks,
> Brenda
>
>
>
> Bob or Rick may have a different take. I say if you have nothing to lose
> then why not do a fresh install. Still in reviewing this post it seems some
> part of the file systems is hosed. If a recovery option exists, as a
> tech-guy
> I would pursue it just for the learning experience. From a sys admin point
> of
> view with the goal of having a running box do a fresh install. Assuming no
> data or apps are needed from the existing install.
>
> --
> Ted Potter
> tpotter at techmarin.com
> Never do anything against conscience even if the state demands it. - Albert
> Einstein
>
>
>
> Thanks, Ted. It is a learning box, not a mission critical production box. I
> think I have the data on a CD I burned a short time ago. I just need some
> supervision to try to do a recovery. I will wait for Bob or Rick to weigh in
> before I do anything, though.
Cheers,
--
Bob McClure, Jr. Bobcat Open Systems, Inc.
bob at bobcatos.com http://www.bobcatos.com
Remember, O LORD, your great mercy and love, for they are from of
old. Remember not the sins of my youth and my rebellious ways;
according to your love remember me, for you are good, O LORD.
Psalm 25:6,7 (NIV)
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