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Re: Grub doesn't install



Well, you wouldn't adam and eve it. After writing that last email I got to thinking about LVM and how I had no idea what it was and didn't specify it anywhere. It was also the only thing that survived the many reformats of the partitions. So I deleted it all and repartitioned with "normal" partitions. And Voila! FC4 installed with absolutely no problem, installed grub, everything. It all works! Hallelujah!
Thanks so much for all your help and advice, much appreciated.
Ian

akonstam trinity edu wrote:
On Tue, Sep 20, 2005 at 06:59:02AM -0400, Jim Cornette wrote:
  
Ian wrote:

    
Hi Jim,
Thanks for the response.
My problem is, though, that I can't boot FC4 at all, because grub 
didn't get installed when I reinstalled FC4. The master boot record 
still contains lilo from my install of Mandrake, and it won't boot 
FC4. So I have no way of changing any grub settings. I think they call 
it stuck between a rock and a hard place...
Ian
      
An easy way to wipe out the MBR information is by booting up a startup 
disk for the w9x series OS and typing "fdisk /MBR". This wipes out grub 
or lilo from the master boot record. A DOS boot disk with fdisk on it 
should do the same, using "fdisk /mbr"
XP uses the recovery console and I believe you type fixmbr to clear the mbr.
To clear the MBR in Linux, I don't know how to do this. There is 
probably a utility to clear the MBR somewhere.

Jim
    
Another way to do it is:
dd if=/dev/zero of=/dev/hda bs=1 bc=446 
or:
dd if=/dev/zero of=/dev/hda bs=446  bc=1

But I don't understand why you can't boot with linux rescue, chroot to
your FC4  root partition (chroot /mnt/sysimage) and run grub-install

Obviously hda might be hdb or sda, etc.
  

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