Ubuntu/Ubuntu dual boot and grub2

Colin Law clanlaw at googlemail.com
Sun Oct 31 20:37:24 UTC 2010


On 31 October 2010 19:39, Tom H <tomh0665 at gmail.com> wrote:
> On Sun, Oct 31, 2010 at 1:18 PM, Colin Law <clanlaw at googlemail.com> wrote:
>>
>> I have a system with Lucid installed, and have installed Maverick on a
>> small separate partition in order to check it out prior to upgrading
>> my Lucid partition.  This works fine except that the Maverick
>> partition is what one might call the master partition in the sense
>> that it appears at the top of the grub boot list, and if I want to
>> change boot options I do it in /default/grub in the Maverick
>> partition.
>>
>> I would like the Lucid partition to be the master one so that at some
>> point I can simply remove the Maverick partition and upgrade Lucid.  I
>> guess I can do this using the same method as for when Windows messes
>> up the MBR, as described in [1].  Is there a better or easier way?
>>
>> [1] https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows
>
> I haven't checked the link but the way to make Lucid's "/boot" the
> master grub directory is to boot into Lucid and run "sudo grub-install
> /dev/sdX" where sdX is the boot device.

Great, that did it.  Many thanks.

Colin




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