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Old 05-25-2011, 03:59 PM   #1
HIRAM MARTINEZ
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Registered: Oct 2010
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Unhappy Update manager


Hello:

I updated the Ubuntu version 10.04.1.

After updating the program it tells to restart the system.

After restarting the system the following message appears:

error: can not read the linux header
error: you need to load the kernel first

Can you tell me how to solve this problem.

Thanks,

Hiram
 
Old 05-25-2011, 06:05 PM   #2
Noway2
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Registered: Jul 2007
Distribution: Ubuntu 10.10, Slackware 64-current
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Just a guess, but it sounds like your Grub configuration and or / MBR got clobbered. When you say you updated the version 10.04.1 do you mean that you performed a distribution upgrade? If so, from what version?

I would suggest looking for any of the how to documents on how to restore the MBR and grub conf. You will probably want to use a LiveCD to perform the task and boot your system to that, then mount your hard drive and perform your work under the LiveCD environment. Otherwise, you may be able to manually use the grub command line to get things working again, but the LiveCD will let you verify the state of the file system first.
 
Old 05-26-2011, 02:21 PM   #3
HIRAM MARTINEZ
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Registered: Oct 2010
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Noway2:

Thank for your response.

Part of the problem is the GRUB you are talking about.

I don't know what you mean by a "distribution version". I simply select the update manager from the
program and updated. After reboot the system before the error message it display something about the
GRUB (which I don't know what is it).

"You will probably want to use a LiveCD to perform the task and boot your system". With regard this
statement I tried to run the CD but I don't know why the computer did not read the CD.

Let me give you a background of the installation: I installed the UBUNTU outside the windows XP. When
I installed it I made the partitions. After the partitions were made the windows XP do not work (do not
boot in the system anymore) so I was using only the UBUNTU. When I decided to update the UBUNTU after the update
installation the system ask for a reboot. After reboot the system the UBUNTU neither boot.

Your help will be appreciated.

Thank
 
Old 05-27-2011, 06:28 AM   #4
Noway2
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This link is a good place to start: https://help.ubuntu.com/community/Re...tallingWindows It discusses Grub and how it works with and without Windows as well as providing detailed instructions on several methods of recovery. It sounds as if something didn't quite go right in the initial installation because normally, Linux and Windows make nice neighbors, provided Linux gets installed second.

Ubuntu has different releases that go by names and numbers. For example, 10.04, 10.10, 11.04 and get called things like Karmic Koala, Lucid Lynx, Natty Narwhal, respectively. The update manager will run pretty much every day and tell you when updates are available. Normally, these won't even require a reboot, unless you update something like the Linux Kernel which can't be stopped and started. There is also a distribution upgrade, where you go from say 10.04 to 10.10. These will do a major download and update of the system replacing almost every application. Going more than one step, such as from 10.04 to 11.04 while skipping 10.10 can cause problems. Personally, it has been my experience that about 95% of the stuff works after a distribution upgrade, but there is always something that needs fixing. This is what I meant by distribution version by the way.

Based upon your follow up post, this is relevant because around 10.04 a change was made to use Grub2 instead of Grub, but it also matters whether you did a distribution upgrade, in which case, according to the link above, you probably are still using Grub, or if your first install was from a version with Grub2. You will need to read the link instructions carefully and determine which Grub version you are using because the modification methods are different. For example, I don't believe Grub2 uses menu.lst anymore.
 
Old 05-27-2011, 08:03 AM   #5
Hevithan
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Registered: Apr 2011
Location: Washington State
Distribution: Zorin5-(Ubuntu 11.04) // Backtrack 5-(Ubuntu 10.04) // Dreamlinux 3.5-(Debian)
Posts: 275
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Sorry to post about this while you guys are discussing the grub and versions ... but this caught my eye:


Quote:
Originally Posted by HIRAM MARTINEZ View Post
I tried to run the CD but I don't know why the computer did not read the CD.
Is your computer trying to boot the CD first or the Hard-drive? To get it to read the CD before the hard drive you will have to change the BIOS to load the CD-rom drive FIRST.

When you start your computer, Press the button the get you to the BIOS menu (Usually F2,F12,or DEL - Some companies use other buttons), look for an option that says 'boot order' or 'boot sequence' ... Anything with the word BOOT. Once you get to that look for an option to change the order it loads in.
EXAMPLE:
1:hard drvie
2:CD-Rom drive
3:floppy drive
4:network

You will want to highlight CD-Rom and follow on screen instruction to move it up to the #1 spot, and then press F10. It'll ask if you want to save and quite, select yes ... Then let the computer restart and it should go.

If this is not the case, Ignore me and my rambling ... Good luck!

Last edited by Hevithan; 05-27-2011 at 08:35 AM.
 
  


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