Re: Multi-Booting

[Bob McClure Jr <robertmcclure earthlink net>]

On Sat, Oct 11, 2003 at 10:54:31PM -0500, Omar Zamora wrote:
> -----Original Message-----
> From: Bob McClure Jr
> To: redhat-install-list redhat com
> Sent: 10/11/03 7:57 PM
> Subject: Re: Multi-Booting
> 
> On Sat, Oct 11, 2003 at 12:53:31PM -0500, Omar Zamora wrote:
> > Does anyone know how to multi-boot RH7.2 and 8.0. 
> 
> Yep.  Several of us do.
> 
> > This is what I have to work with:
> > 
> > 1 20 gig hard drive
> > 
> > LILO Boot
> > 
> >  
> > 
> > Does anyone know how to set the partitions for this?
> 
> Yes.
> 
> > Can you be specific PLEASE!!!
> 
> Well, you are going to have to be more specific.  For lilo, the
> partition(s) containing the /boot directory(ies) must be primary
> partitions and reside entirely below the 1024-cylinder boundary.  This
> is usually accomplished by making a 50-100MB partition for each
> system which is mounted on /boot.
> 
> > Thank You
> 
> A good starting point is The Fine Manual:
> 
> http://www.redhat.com/docs/manuals/linux/RHL-8.0-Manual/ref-guide/s1-gru
> b-liloconf.html
> 
> That shows a Linux system and a Windoze system.  Let's suppose you
> partition your disk this way:
> 
> hda1     75MB  /boot # For 8.0
> hda2     75MB  /boot # for 7.2
> hda3     2xRAM  swap # for both
> hda4     the rest for the extended partition
> hda5     6GB   /     # for 8.0
> hda6     4GB   /     # for 7.2
> hda7     5GB   /home # for both
> hda8     the rest # for anything, say /u, for both
> 
> Further suppose you keep the controlling /etc/lilo.conf on the 8.0
> root (hda5).  Then you must mount hda2 (7.2 /boot) on (say) /boot72.
> Then your lilo.conf might look something like this:
> 
> boot=/dev/hda
> map=/boot/map
> install=/boot/boot.b
> prompt
> timeout=50
> message=/boot/message
> lba32
> default=linux
> 
> image=/boot/vmlinuz-2.4.0-0.43.6
> 	label=linux
> 	initrd=/boot/initrd-2.4.0-0.43.6.img
> 	read-only
> 	root=/dev/hda5
> image=/boot72/vmlinuz-2.4.9-31
> 	label=rh72
> 	read-only
> 	root=/dev/hda6
> 
> Don't forget to run "lilo" after you build or modify your lilo.conf.
> 
> Cheers,
> -- 
> Bob McClure, Jr.
> _______________________________________________
> 
> Could you help me out here? 
> Where do I start. Can I get away with /, /boot and <swap> partitions
> only?  This is only for demonstration purposes only.
> Thanks 

Yes.  For dual-boot you will need one /boot and / for each system.  A
single swap partition can be used by both systems.

Cheers,
-- 
Bob McClure, Jr.             Bobcat Open Systems, Inc.
robertmcclure earthlink net  http://www.bobcatos.com
Worry is interest paid on a debt you may never owe.