Dual Boot RH7.3 and FC2

[Gerry Tool]

Jamie Wellnitz wrote:
> On Wed, Jun 02, 2004 at 09:46:27AM +0900, Bernice Lau wrote:
> 
>>Hello,
>>
>>I'm trying to dual boot RH7.3 and FC2.  Every time that I've tried
>>installing, I can get either RH7.3 or FC2 to boot, but not both.  I've tried
>>installing RH7.3 first, and then FC2, but the bootloader won't allow RH7.3
>>to run after the FC2 installation.  Same thing happens if I try and install
>>FC2 then RH7.3. Any suggestions for what I should do?
>>
> 
> 
> Are both installs using the master boot record to boot from?  If they
> are move one of the bootloaders to that partition's superblock.
> 
> 
>>Thanks,
>>Bernice
> 
> 
> -- Jamie
> Jamie.Wellnitz at emulex.com
> 
> 
>>
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> 
> 
> 
Edit the /etc/grub.conf file of whichever system you installed last to 
include boot records for both systems.

Boot to whichever one currently works.

Mount the file system for the other system and open 
/mnt/otherfilesystem/etc/grub.conf in an editor for reading.

As root, edit /etc/grub.conf for the system that is running, and add 
into that file the specific lines for the other system.  For example, my 
grub.conf looks like:
=================================
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You do not have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /, eg.
#          root (hd0,0)
#          kernel /boot/vmlinuz-version ro root=/dev/hda1
#          initrd /boot/initrd-version.img
#boot=/dev/hda
default=0
timeout=10
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
title Fedora Core 2 (2.6.5-1.358)
	root (hd0,0)
	kernel /boot/vmlinuz-2.6.5-1.358 ro root=LABEL=/123 rhgb quiet
	initrd /boot/initrd-2.6.5-1.358.img
title Fedora Core 1 (2.4.22-1.2188.nptl)
	root (hd0,1)
	kernel /boot/vmlinuz-2.4.22-1.2188.nptl ro root=/dev/hda2 hdc=ide-scsi 
hdd=ide-scsi ide0=ata66 idebus=66 rhgb
	initrd /boot/initrd-2.4.22-1.2188.nptl.img
==================================================

so that I can boot FC1 or FC2.  (Note, the kernel line for FC1 above may 
be wrapped and should all be on one line.

I hope this helps.

Gerry Tool