[sclug] dual Grub issue

[John Stumbles]

Neil Haughton wrote:
> Can anyone advise me on a grub problem?
> 
> I have a dual boot machine. 1st OS was Mandriva 2005, which uses grub as 
> the bootlloader.
> Then I installed Ubuntu (5), which installed its own grub and 
> autodetected the Mandriva installation. Fine so far, I could now boot 
> either OS.
> 
> Then for some reason that I do not understand, it appears that at some 
> point the original grub was somehow 're-instated', giving me the old 
> Mandriva boot menu without an Ubuntu entry. I proved this by viewing the 
> /boot/grub/menu.lst file in the appropriate Mandriva partition. This may 
> have occurred as a result of a Mandriva system update process, but I'm 
> not sure of that.
> 
> So I thought I'd be clever and copy the Ubuntu stanza from the 
> corresponding Ubuntu /boot/grub/menu.lst to the Mandriva one (as root). 
> That worked okay in the sense that I now have a  boot menu that has an 
> Ubuntu entry, but it doesn't boot Ubuntu (the syntax is noticably 
> differently from the other stanzas in the Mandriva file). The two 
> versions of grub must be different, I guess. I hacked about with it, 
> somewhat in the dark, but I can't get it to boot Ubuntu.
> 
> So I am left with wondering how I can easily 'reinstall' the Ubuntu 
> version of grub, as it was after I first installed Ubuntu itself. 
> Alternatively, what do I need to do with this stanza
> 
> title        Ubuntu, kernel 2.6.10-5-386
> root        (hd0,2)
> kernel        /boot/vmlinuz-2.6.10-5-386 root=/dev/hda3 ro quiet splash
> initrd        /boot/initrd.img-2.6.10-5-386
> savedefault
> boot
> 
> to get it to work with my Mandriva grub, which has other stanzas like this:
> 
> title Mandriva Linux 2005
> kernel (hd0,5)/vmlinuz root=/dev/hda9 acpi=ht resume=/dev/hda8 
> splash=silent vga=788
> initrd (hd0,5)/initrd.img
> 
> The obvious hacking, eg
> 
> title  Ubuntu
> kernel (hd0,2)/vmlinuz-2.6.10-5-386 root=/dev/hda3 ro quiet splash
> initrd (hd0,2)/boot/initrd.img-2.6.10-5-386
> 
> didn't work. The output is
> 
> kernel (hd0,2)/vmlinuz-2.6.10-5-386 root=/dev/hda3 ro quiet splash
> Error 15: file not found.
> 
> 
> Any solutions, anyone?

kernel (hd0,2)/boot/vmlinuz-2.6.10-5-386 root=/dev/hda3 ro quiet splash
               ^^^^^
                ?


-- 
John Stumbles