Re: How to get GRUB to work for a multiple Linux boot.

On Fri, 2004-10-15 at 16:13, Josef Lowder wrote:
> Still can't get GRUB to boot Xandros.
> Mepis boots fine from GRUB.
> Xandros boots fine from the boot floppy.
...
> === First below is the my current /boot/grub/menu.lst ===
> ( with several of the variations I've tried below it)
...
> title Xandros
> root (hd0,4)
> kernel /boot/vmlinuz-2.4.24-xl root=/dev/hda5
> initrd /boot/initrd-2.4.24-x1.gz
> boot
> # with and without 'boot' at the end
...
> === below is the lilo config from the Xandros boot floppy ===
>

> boot=/dev/hda5
> install=/boot/cboot.b
> message=/boot/splash.lilo
> timeout=300
> map=/boot/map
> prompt
> fix-table
> lba32
> read-only
> image=/vmlinuz
>     label=[]s_Desktop_2.0
>     vga=0xf04
>     root=/dev/hda5
>     initrd=/boot/initrd-2.4.24-x1.gz
>     append="rw acpi=on "

I noticed the lilo.config uses /vmlinuz as the kernel image and the
menu.lst uses /boot/vmlinuz-2.4.24-xl. I realize this may sound like a
stupid suggestion, but is /vmlinuz a link to /boot/vmlinuz-2.4.24-xl?

If it is, I have a last ditch suggestion. Install lilo on the boot
sector of /dev/hda5, and have grub transfer the boot process to lilo.

Granted, this is not the most elegant solution but it should get the job
done.

Place this in /etc/lilo.conf while booted into Xandros.
=== begin lilo.conf ===

boot=/dev/hda5
install=/dev/hda5
timeout=0
map=/boot/map
prompt
fix-table
lba32
read-only
image=/vmlinuz
        label=[]s_Desktop_2.0
        vga=0xf04
        root=/dev/hda5
        initrd=/boot/initrd-2.4.24-x1.gz
        append="rw acpi=on "

=== end lilo.conf ===

Then run `lilo` as root. This will install lilo in the boot sector of
/dev/hda5.

Next, you'll want to edit your grub config.

Add this to menu.lst
=== begin menu.lst ===

title Xandros (via lilo)
rootnoverify (hd0,4)
makeactive
chainloader +1
boot

=== end menu.lst ===

It would be a good idea to have a working grub-bootdisk that can boot
Mepis before you try this. The article below can help you build the
bootdisk.

A good article about grub can be found at:
http://www.linux-mag.com/cgi-bin/printer.pl?issue=2003-11&article=guru
and part two at:
http://www.linux-mag.com/2003-12/guru_01.html

Sorry I can't provide more help that this.

Bart

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