Re: GRUB restore [SOLVED]

[Samuel Díaz García <samueldg@arcoscom.com>]

Thanks to all, I solved the problem.

The solution used was send by Yan Falken:

- boot from CD
- mount your debian partition
- chroot into your debian partition
- mount /boot if neccessary
- reinstall grub ( f.e. grub-install /dev/hda)

But my laptop uses SATA and my "devs" don't use devfs, at this point 
only FC4 "rescue CD" help to me with this.

I tried debian 3.1 CD's, RHES 3.0, KNOPPIX 4.0 before the FC4 rescue CD.

I think normal hard disks uses scsi or ide drivers (more standard and 
without issues), but in this case the FC4 kernel loads the drivers and 
mount my partitions in the same place as my "personalized" 2.6.x kernel.

I think with some kernel parameters any of tried distros CD's will help 
too, but I haven't necesary knowledge to put needed parameter into 
"boot" options.

Again: thanks to all.

Matthew Hon escribió:

> I encountered the same problem too. Here is the link on how to do it:
> http://www.gnu.org/software/grub/manual/grub.html#Installing-GRUB-using-grub_002dinstall
> But first you have to get access into your filesystem system. To do that,
> I created a grub bootable cd:
> http://www.gnu.org/software/grub/manual/grub.html#Making-a-GRUB-bootable-CD_002dROM
> The CD allowed me to boot to my debian interactively 
> (http://www.gnu.org/software/grub/manual/grub.html#GNU_002fLinux).
>  
> So once i boot into my debian i used grub-install to get my GRUB 
> bootloader installed into the MBR.
> The bootable CD will also allow you to boot many other OSes 
> interactively besides win and debian if you have then. It will come in 
> handy.
>  
> You can read about GRUB and bootloaders: 
> http://www.gnu.org/software/grub/manual/grub.html
> Its really helpful.
>
>  
> On 12/13/05, *D. Frye* <dafr@peakpeak.com <mailto:dafr@peakpeak.com>> 
> wrote:
>
>     On Tue, Dec 13, 2005 at 03:07:31PM +0100, Samuel D?az Garc?a wrote:
>     } I have a dual XP PRO + DEBIAN 3.1 on my laptop.
>     } I had some days ago to reinstall XP PRO with the lost of my grub
>     config
>     } and my debian partition is there, I have not lost it.
>     }
>     } I have mi "personalized kernel", X, apps, etc.... inside my debian
>     } partition.
>     }
>     } Can anybody say me how can I restore the "grub bootup" to allow me to
>     } start XPPRO and DEBIAN 3.1 again?
>     }
>     } Any link/HOWTO?
>     }
>
>     At the risk of sounding too terse, try "man grub-install". I recently
>     went through this as well. Boot off a rescue CD of your choice, mount
>     the root filesystem and chroot to that mount. From there, you can
>     restore the MBR to the proper device.
>
>     dafr
>
>     --
>
>     D. Frye
>     dafr AT peakpeak.com <http://peakpeak.com>
>     http://www.dafr.us/dafr
>
>
>     --
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