Multibooting

[Satish Balay]

On Thu, 25 Nov 2004, Satish Balay wrote:

> > > Wilson Woon wrote:
> 
> > > > I'm trying to install Windows XP, Fedora Core 3 and RedHat Linux 9 all
> > > > in one hard disk. At first I installed Windows XP and then Fedora Core
> > > > 3. I use the Grub loader to load both of them. However, when it comes
> > > > to RedHat 9, I'm not sure how to do? How do I configure the Grub
> > > > loader so that it will detect RedHat 9 as well?
> 
> > > Simple.  Don't install or configure any boot loader with RedHat9.  Than boot
> > > into FC3 and edit grub.conf.  Copy the lines you have for FC3 (they start
> > > with title line, and there's usually three more lines), and edit them
> > > accordingly.  You'll probably end up with something like this:
> 
> > > title Red Hat Linux 9 (2.4.xx-xx)
> > >         root (hd0,0)
> > >         kernel /boot/vmlinuz-2.4.xx-xx ro root=/dev/hda1
> > >         initrd /boot/initrd-2.4.xx-xx.img
> 
> I don't think any edits are necessary. Just copy the lines from
> RHL9-grub.conf to FC3-grub.conf.

<clarifying this further> - The only thing to do when cofiguring
'grub' during RHL9 install is - not to let it write to MBR
(/dev/hda). grub.conf should still get gererated.

> An alternative way to install - where no manual intervention is
> required is to have a common '/boot' partition for all OSes - this way
> there is also a common /boot/grub/grub.conf.
> 
> So, if you update FC3 kernel - the correct grub.conf is updated.
> And if you update RHL9 kernel - the correct grub.conf is updated.

<added disclaimer> Don't know if 'ext3 changes' or 'SElinux' in FC3
would cause grief in the above scheme.

Satish