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Old 06-12-2005, 04:43 PM   #1
ginda
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Distribution: SUSE8.2, 9.2, Knoppix
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Re-installed windows cannot boot linux


I am running suse 9.2 and have a single hard disk drivbe split into two partitions the 1st for windows xp and second for suse 9.2. The boot loader was on the first partitiuon and as i wanted to install a fresh copy of xp i thought i moved the boot loader location to the floppy disk.....i thought wrong....now i have installed windows i cannot boot suse...i had 3 rescue disk which ive tried to use to boot up into susue so i can rewrite the boot loader but it only picks up hda1 ntfs.

I have noticed that when i load the first rescue disk is has the option boot from hard disk, "which boots up windows" but it also gives the option "boot options" at the bottom can i enter a command to boot into suse 92.?
 
Old 06-12-2005, 04:48 PM   #2
marghorp
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can you identify the boot loader? is it GRUB?
 
Old 06-12-2005, 04:51 PM   #3
ginda
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yes it is grub as it said that on the boot loader configuration utility in yast
 
Old 06-12-2005, 04:59 PM   #4
jschiwal
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If you boot up with the install disk, you can select to reinstall the boot loader. Under "SuSE 9.1" you need to select the installation rather than the rescue option in the first menu. Then select repair. I couldn't say whether later versions are the same however.
 
Old 06-12-2005, 05:01 PM   #5
ginda
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Thats the problem...suse 9.2 is an ftp installation....im sure there must be a way to specify what to boot using the boot option section
 
Old 06-13-2005, 12:07 AM   #6
Alvarez
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Try downloading the DVD 9.2 iso and use that.
Or use the ftp install as usuall but it may take you longer...
 
Old 06-13-2005, 04:47 AM   #7
marghorp
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of course
it's a bit tricky if you are doing it the first time, but you should get a hold of this, because it comes in quite handy some times (like this one)..

Well in GRUB select the command line, I believe the key to press is C (but check).

You will be presented by a command line like this:

GRUB>

now you have to find out what partition your /boot partition is on. If you know already, nice.

if not, run these commands:

find /boot/grub/grub.conf (this is if you don't have a separate partition for /boot)
or
find /grub/grub.conf (and this one is if you have a separate partition for /boot)

Run them both, and see which one gives you some results.

You should get output like:

(hd0,0)
numbers may differ, accordingly to your partition table

just keep in mind that while in linux partitions are marked as hda1 (and the GRUB equivalent would be (hd0,0) --> hda3 would be (hd0,2) and so on hdb1 would be (hd1,0)

I think you get the idea.

Once you have identified the boot partition (with the find command)

you have to make it root:

root (hd0,0)
instead of hd0,0 put in the result you got from the find command.

Now you are on a horse, all you need to do now is point to the kernel and you're off

I am not really familiar with SUse, but this is how it is done:

kernel /vmlinuz(press TAB here a couple of times, and it should give you some options)
(this was in redhat)
in SUSe it might be something like
kernel /kernel(press TAB again a couple of times to get the available options)

You will see what to type in from the available options.

if the above commands don't give you any output, just press TAB right after you type the kernel / and this will give you all the files in that directory to choose from. You will figure out which one is the right one.

Ok, this should go through ok.

Redhat uses initrd files, I don't know if SUse does too. You can try your luck by executing the command

boot

andif this loads your linux WHOOOOOHOOOO.

If not, run the command:

initrd /init(press TAB again a couple of times to get the available files)

And then again run boot.

If you get stuck anywhere along the line or if you succed, let me know, so we can take this furrther, you'll see it's quite easy wehn you get a hold of it, and understand what you are doing.
 
  


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