[Tfug] Grub rescue

Charles R. Kiss charles at kissbrothers.com
Sun Oct 31 10:07:26 MST 2010


Thanks for the tips.  Just to give a little bit more info : I'm not getting to the boot menu, after the blinking cursor, the display is:

error: file not found
grub rescue>

Is there anything I can do with this prompt (input) to get to the old boot menu, to start up the Windows boot loader (which is in there somewhere),  or even get to kubuntu?

Sent from Samsung mobile

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>Today's Topics:
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>   1. Re: tfug Digest, Vol 87, Issue 26 (David Stites)
>   2. Re: distro suggestions (John Gruenenfelder)
>   3. Re: distro suggestions (Ammon Lauritzen)
>   4. Re: Grub rescue (Ammon Lauritzen)
>   5. Re: tfug Digest, Vol 87, Issue 26 (Ammon Lauritzen)
>   6. Re: Grub rescue (JD Rogers)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Sat, 30 Oct 2010 22:06:37 -0700
>From: David Stites <david at dstites.net>
>To: tfug at tfug.org
>Subject: Re: [Tfug] tfug Digest, Vol 87, Issue 26
>Message-ID: <4CCCF95D.2080806 at dstites.net>
>Content-Type: text/plain; charset=ISO-8859-1; format=flowed
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>On 10/30/2010 9:09 PM, tfug-request at tfug.org wrote:
>> Send tfug mailing list submissions to
>> 	tfug at tfug.org
>>
>> To subscribe or unsubscribe via the World Wide Web, visit
>> 	http://www.tfug.org/mailman/listinfo/tfug_tfug.org
>> or, via email, send a message with subject or body 'help' to
>> 	tfug-request at tfug.org
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>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of tfug digest..."
>>
>>
>> Today's Topics:
>>
>>     1. distro suggestions (Ammon Lauritzen)
>>     2. Grub rescue (Charles R. Kiss)
>>     3. Re: distro suggestions (John Gruenenfelder)
>>     4. Re: distro suggestions (robbinsc at gmail.com)
>>     5. Re: distro suggestions (Phil Simpson)
>>     6. Re: distro suggestions (Ammon Lauritzen)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Sat, 30 Oct 2010 12:59:42 -0700
>> From: Ammon Lauritzen<allaryin at gmail.com>
>> To: Tucson Free Unix Group<tfug at tfug.org>
>> Subject: [Tfug] distro suggestions
>> Message-ID:
>> 	<AANLkTimoH_AxsFUSDPESfzAq-PZp8xTWJGAOm=cCWR0X at mail.gmail.com>
>> Content-Type: text/plain; charset=UTF-8
>>
>> Brief:
>> I need help choosing a distro. It needs to be linux. It needs to be
>>
>>
>> Thoughts? Suggestions?
>>
>> Slackware
>David
>
>
>
>
>------------------------------
>
>Message: 2
>Date: Sat, 30 Oct 2010 23:19:48 -0700
>From: John Gruenenfelder <johng at as.arizona.edu>
>To: Tucson Free Unix Group <tfug at tfug.org>
>Subject: Re: [Tfug] distro suggestions
>Message-ID: <20101031061948.GA28261 at as.arizona.edu>
>Content-Type: text/plain; charset=iso-8859-1
>
>On Sat, Oct 30, 2010 at 09:09:32PM -0700, Ammon Lauritzen wrote:
>>On Sat, Oct 30, 2010 at 7:12 PM, John Gruenenfelder
>><johng at as.arizona.edu> wrote:
>>> You want Debian. ?Enough said. ?:)
>>>
>>> I just recently installed Debian on old laptop with 64 MB of RAM (try *that*
>>> with Ubuntu or Gentoo). ?Shortly thereafter it was upgraded to 256 MB and it
>>> was a breeze to go back and give it a minimal X treatment (using Xfce).
>>
>>Debian was my distro of choice from about '02 to about '05 or so when
>>Ubuntu began to fill that slot. My primary reason for leaving it was
>>their stubborn refusal to get with the now. I eventually had to run
>>Sid if I wanted even vaguely current versions of desktop applications
>>and I remember having to roll my own SSL libraries on production
>>servers because those took weeks to mosey into apt-get after major
>>security announcements.
>>
>>Granted, things could have changed in the last 5 years...
>>
>>Browsing the current package availability, I would have to run
>>unstable again if I wanted Ruby 1.9.2 (this is the current favored 1.9
>>build - 1.9.0 and 1.9.1 were garbage - Debian stable and testing ship
>>1.9.0).
>>
>>They also ship a 3-year-old version of OpenSSL with stable, so I'd
>>have to run at least testing if I wanted apt-get to manage that for
>>me... My quick glance doesn't make me feel like things have really
>>changed all that much since I abandoned them for stagnation.
>>
>>What I don't want to have to do is apt-pin everything useful from
>>unstable just to have modern packages. However, I'm not that opposed
>>to running testing... shrug.
>>
>>Debian _would_ allow me to install a fairly minimal system quickly and
>>then hand compile what I need. I'll give it some stronger
>>consideration.
>>
>>Do they ship a decent firewall configuration utility?
>
>I can't speak to the usability of current firewall config tools.  Nowadays, I
>configure all that on my router running OpenWRT.  However, the last time I had
>to do it in Debian it was about, oh, five years ago or so.  I remember it
>being rather easy to configure.  But... that was a while ago.
>
>I personally run Sid at home.  I find breakage to be very rare, and since I
>know what's what with Debian, if there *is* breakage, I can usually fix it
>very quickly.
>
>At work I have a file server running stable and it is *very* stable.
>Definitely not bleeding edge, or anything, but there hasn't been a peep from
>it.  On my office machine I run testing so I can get newer software.  I'd run
>Sid on it, but other people use it on occasion and I don't want anything to
>break.
>
>Regarding OpenSSL, are you sure it's truly three years old?  It may be one of
>those Debian-special packages that seems old from the version number, but has
>a zillion patches applied to it.  Of course, that can backfire sometimes too
>(cough, OpenSSH)...
>
>
>-- 
>--John Gruenenfelder    Systems Manager, MKS Imaging Technology, LLC.
>Try Weasel Reader for PalmOS (soon for Android) --  http://weaselreader.org
>"This is the most fun I've had without being drenched in the blood
>of my enemies!"
>        --Sam of Sam & Max
>
>
>
>------------------------------
>
>Message: 3
>Date: Sun, 31 Oct 2010 01:08:22 -0700
>From: Ammon Lauritzen <allaryin at gmail.com>
>To: johng at as.arizona.edu, Tucson Free Unix Group <tfug at tfug.org>
>Subject: Re: [Tfug] distro suggestions
>Message-ID:
>	<AANLkTinenqc5zU9=o8QuZN1xVSieTA8fZiLuv-yUfGqy at mail.gmail.com>
>Content-Type: text/plain; charset=UTF-8
>
>On Sat, Oct 30, 2010 at 8:49 PM, Phil Simpson <pgsimpso at gmail.com> wrote:
>> Check out Arch.? It comes with the version of Ruby you want in the official
>> packages and it somewhat like Gentoo sans having to compile everything.? I
>> started using Arch for everything about a year ago and haven't regretted
>> it.? Arch also has a really good community.
>
>I'll give it a look, thanks.
>
>On Sat, Oct 30, 2010 at 11:19 PM, John Gruenenfelder
><johng at as.arizona.edu> wrote:
>> I can't speak to the usability of current firewall config tools. ?Nowadays, I
>> configure all that on my router running OpenWRT. ?However, the last time I had
>> to do it in Debian it was about, oh, five years ago or so. ?I remember it
>> being rather easy to configure. ?But... that was a while ago.
>
>Yeah, I use dd-wrt on an old wrt54g right now and have some Cisco
>hardware if I really need it. Mostly, I'm curious for better options -
>largely just because if I'm going to be running this box, I may as
>well get some more use out of it ;)
>
>> I personally run Sid at home. ?I find breakage to be very rare, and since I
>> know what's what with Debian, if there *is* breakage, I can usually fix it
>> very quickly.
>>
>> At work I have a file server running stable and it is *very* stable.
>> Definitely not bleeding edge, or anything, but there hasn't been a peep from
>> it. ?On my office machine I run testing so I can get newer software. ?I'd run
>> Sid on it, but other people use it on occasion and I don't want anything to
>> break.
>
>Yeah, honestly, I think Sid is usually plenty stable, but calling it
>the unstable branch always unnerved me whenever I found something that
>hadn't made its way to testing yet.
>
>> Regarding OpenSSL, are you sure it's truly three years old? ?It may be one of
>> those Debian-special packages that seems old from the version number, but has
>> a zillion patches applied to it. ?Of course, that can backfire sometimes too
>> (cough, OpenSSH)...
>
>It could be a weird special patched build, but I don't trust them - I
>always assume the worst when it comes to reported version numbers.
>Especially when it comes to security. If you're not running an
>official build, you should change the reported version string to
>indicate this. Shrug.
>
>I think I'll see if Arch isn't too low level for my needs and will
>plan on Debian otherwise.
>
>One thing I'm wanting to avoid here is having to learn a whole other language ;)
>
>-- 
>Ammon Lauritzen
>
>
>
>------------------------------
>
>Message: 4
>Date: Sun, 31 Oct 2010 01:13:17 -0700
>From: Ammon Lauritzen <allaryin at gmail.com>
>To: Tucson Free Unix Group <tfug at tfug.org>
>Subject: Re: [Tfug] Grub rescue
>Message-ID:
>	<AANLkTik8wBMqJLOOj+S4JeN3+KSa=utmnOTAb48bH3py at mail.gmail.com>
>Content-Type: text/plain; charset=UTF-8
>
>Boot from a rescue/live cd.
>
>Most installers can help you recover a hosed setup. One way is by
>getting you into a full grub environment, from which it is often
>possible to attempt booting directly from the os on disk.
>
>Grub is crazy powerful, check docs/wikis for specifics.
>
>On Sat, Oct 30, 2010 at 5:50 PM, Charles R. Kiss
><charles at kissbrothers.com> wrote:
>> Kinda in an emergency situation.
>>
>> At my girlfriends place, far from home, I got a grub rescue> prompt on her kubuntu/T61 and she has no disks. ?And I don't know any commands, only 'ls' works, ?no 'cat', no help, etc.
>>
>> How can I boot this? ?Go to the library and make a new install cd??
>>
>> Thanks
>>
>> It also has a windows partition on it. ?Been getting grub-pc errors for awhile during aptitude installs ?. Finally one did it, hplip.
>>
>> Sent from Samsung mobile
>> _______________________________________________
>> Tucson Free Unix Group - tfug at tfug.org
>> Subscription Options:
>> http://www.tfug.org/mailman/listinfo/tfug_tfug.org
>>
>
>
>
>-- 
>Ammon Lauritzen
>
>
>
>------------------------------
>
>Message: 5
>Date: Sun, 31 Oct 2010 01:14:42 -0700
>From: Ammon Lauritzen <allaryin at gmail.com>
>To: Tucson Free Unix Group <tfug at tfug.org>
>Subject: Re: [Tfug] tfug Digest, Vol 87, Issue 26
>Message-ID:
>	<AANLkTikSm=JsCNg+6gWxg5_w4hyXEsfaE6pCET6Cx-NF at mail.gmail.com>
>Content-Type: text/plain; charset=UTF-8
>
>On Sat, Oct 30, 2010 at 10:06 PM, David Stites <david at dstites.net> wrote:
>>> Slackware
>
>Grin. Slack was my first distro, back in '96. I've run it a few times
>since the late 90's, but I don't think it's quite what I want this
>time around.
>
>-- 
>Ammon Lauritzen
>
>
>
>------------------------------
>
>Message: 6
>Date: Sun, 31 Oct 2010 09:31:48 -0500
>From: JD Rogers <rogersjd at gmail.com>
>To: Tucson Free Unix Group <tfug at tfug.org>
>Subject: Re: [Tfug] Grub rescue
>Message-ID:
>	<AANLkTikJ626gLDLH1E0a-g+hZRjwzU4hv_O_J2+C-xND at mail.gmail.com>
>Content-Type: text/plain; charset="iso-8859-1"
>
>Sounds like it may be too late, but for future reference...
>
>As Ammon said, GRUB is pretty powerful and you may be able to get things
>working without a disk depending on what is wrong. For example, if the drive
>labels changed and grub is looking for the system in the wrong place, you
>can hit 'e' to edit the grub line temporarily and point it in the right
>direction to get boot properly and then fix the problem form a running
>system.
>
>If you need a rescue disk and you have no blank disks but a USB flash drive
>and a working windows or ubuntu box with network, you can make a bootable
>flash drive.
>
>In ubuntu, it's under admin -> startup disk creator. It doesn't even delete
>the data on your drive but watch out not to click 'erase disk' which in the
>past asked for no confirmation and just wiped an usb connected drive
>(STUPID!).
>
>On windows, I think you have to just follow instructions on the website and
>follow the directions for making a bootable usb on windows.
>
>In either case, you need to download an iso, so it may take a while.
>
>Once booted onto a rescue disk, you should be able to poke around the
>installed drive an see what is wrong. If you have to do anything from within
>the broken system, chroot is awesome.
>
>JDR
>
>
>On Sun, Oct 31, 2010 at 3:13 AM, Ammon Lauritzen <allaryin at gmail.com> wrote:
>
>> Boot from a rescue/live cd.
>>
>> Most installers can help you recover a hosed setup. One way is by
>> getting you into a full grub environment, from which it is often
>> possible to attempt booting directly from the os on disk.
>>
>> Grub is crazy powerful, check docs/wikis for specifics.
>>
>> On Sat, Oct 30, 2010 at 5:50 PM, Charles R. Kiss
>> <charles at kissbrothers.com> wrote:
>> > Kinda in an emergency situation.
>> >
>> > At my girlfriends place, far from home, I got a grub rescue> prompt on
>> her kubuntu/T61 and she has no disks.  And I don't know any commands, only
>> 'ls' works,  no 'cat', no help, etc.
>> >
>> > How can I boot this?  Go to the library and make a new install cd??
>> >
>> > Thanks
>> >
>> > It also has a windows partition on it.  Been getting grub-pc errors for
>> awhile during aptitude installs  . Finally one did it, hplip.
>> >
>> > Sent from Samsung mobile
>> > _______________________________________________
>> > Tucson Free Unix Group - tfug at tfug.org
>> > Subscription Options:
>> > http://www.tfug.org/mailman/listinfo/tfug_tfug.org
>> >
>>
>>
>>
>> --
>> Ammon Lauritzen
>>
>> _______________________________________________
>> Tucson Free Unix Group - tfug at tfug.org
>> Subscription Options:
>> http://www.tfug.org/mailman/listinfo/tfug_tfug.org
>>
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