Re: Bootable diskette or HD mbr modification with RedHat 9.0

From: Bit Twister (BitTwister_at_localhost.localdomain)
Date: 07/02/03 

Date: Tue, 01 Jul 2003 23:08:25 GMT

On Tue, 01 Jul 2003 22:56:39 GMT, George wrote:

> I was Under the impression That rawrite could do this, I made a floppy with
> rawrite? BUT I continue to go into the INSTALLATION process again. THIS
> IS NOT what I desire. I do not wish to reinstall. I wish to boot LINUX!

-------------- standard reinstall include file follows ---------

You can create a lilo diskette, an image boot diskette, and or
a rescue diskette. Only the rescue diskette contains utilities.

Change your bios boot order and test diskettes after you create them.

You have to change the hdaX to where you installed your RH

lilo boot diskette:
        Load a blank floppy into drive and
        lilo -b /dev/fd0
Remove diskette and label it lilo boot

image boot diskette:
        Load a blank floppy into drive and
        mkbootdisk --device /dev/fd0 $(uname -r)
Remove diskette and label it image boot

Rescue diskette:
http://www.toms.net/

Replacing a wiped out mbr lilo using the Rescue diskette

Change hda5 to your / partition location
        mkdir /mnt
        mount -t auto /dev/hda5 /mnt
        chroot /mnt
        /sbin/lilo -v

Then, install Win, then boot from your CD, hit F1 and type

rescue

then, at the prompt (it will look strange, something like "sh-2.05#"), type

mount -t auto /dev/hda5 /mnt
chroot /mnt
/sbin/lilo -v # installs lilo boot loader
reboot

>
> The other question I have is: ONCE decided NOT to modify the MBR for
> multiple OS boot up and linux has been installed.
> Is there a way to modify the MBR with out going through a re-INSTALL??

Redhat
boot CD 1 into rescue mode.
During rescue boot it gives you the mount point where your RH
is mounted.

chroot /mnt/sysimage

# lilo boot loader install
lilo -v

# grub boot loader install command
/sbin/grub-install hda

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