dual boot and grub?
Daniel Dalton
d.dalton at iinet.net.au
Tue May 13 22:18:00 UTC 2008
On Tue, 13 May 2008, Tony Baechler wrote:
> Hi,
Hi,
>
> Daniel Dalton wrote:
>> - Is the grub configuration that is used on the last installed linux? So if
>> I install ubuntu last will the /boot/grub/menu.lst file that is used by the
>> system be there or on the debian partition?
>> If so why is this and should I do something to only have one grub
>> configuration through out all my partitions?
>
>
>
> I don't use grub but I can say this from practical experience installing
> Linux and Windows. The boot manager needs to be installed in the MBR,
> regardless of what OS you use or which boot manager. I think you said you
> have Windows installed so it probably put its own boot sector in the MBR but
> not necessarily so. Also, each bootable Linux partition needs a boot loader
> such as lilo or presumably grub. Therefore, my guess would be that all your
> Linux partitions need grub installed because grub actually boots the kernel
> once the boot manager calls it from the MBR.
Oh so I should keep /boot on both partitions?
Even though I think it calls the ubuntu one.
>
> This is just a suggestion, but I would look at the mbr package. If you run
> install-mbr from Debian or another linux partition, it will install its own
> MBR code which doesn't need grub or lilo but will call the boot loader for
> the partition you specify at boot. In other words, I have my system set as
> follows: hda1 is Windows, hda2 is Linux, hda3 is swap and hda4 is an extra
> FAT32 drive to exchange files between the two OSes. To boot Windows, I just
> turn on the computer and do nothing because it's already the default active
> partition. To boot Linux, I press the letter "a" for advanced and the number
> 2 for the second partition as soon as I hear the second beep but before the
> actual boot process starts. The reason for pressing the "a" first is because
How did you get it to beep?
> hda2 isn't marked active and Windows and/or the BIOS is limited to only one
> active partition. Linux doesn't care if it's active or not but it won't boot
> an inactive partition unless you go into advanced mode. From there, either
> the standard Windows boot loader takes over or lilo runs, depending on what
> OS i'm booting.
Ah ok.
>
> As always, there are several howto documents on multiboot setups. I suggest
> you read them, at least two were for grub.
I'll do a little bit of research.
>
> You asked about deleting Ubuntu. I can't help you there but I would just
> delete the partition. However, with that many distros installed, I would
> probably set aside another small partition for /home. Otherwise you'll have
> to backup your /home dir for every distro separately.
Yep, actually I just installed ubuntu for fun so I have to /home: one on
sda3 and one on sda6 so one is ubuntu's and one for debian.
Debian is my main system, but ubuntu is nice to play with.
--
Daniel Dalton
http://members.iinet.net.au/~ddalton/
<d.dalton at iinet.net.au>
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