Dual booting 10.04 & 12.04

[Colin Law]

On 10 December 2012 18:09, Nils Kassube <kassube at gmx.net> wrote:
> Colin Law wrote:
>> On 10 December 2012 17:22, Nils Kassube <kassube at gmx.net> wrote:
>> > Jim Byrnes wrote:
>> >> On 12/09/2012 11:15 AM, Nils Kassube wrote:
>> >> > With both drives installed it will boot one of them, whichever
>> >> > that is. When you login to that system, start a terminal and
>> >> > run the command
>> >> >
>> >> > sudo update-grub
>> >>
>> >> This machine is setup to auto logon. Is that a problem?
>> >
>> > No - the login step ist just automatic for you. And later when you
>> > want to select the OS version it is at the grub boot menu which
>> > comes loooong before the login.
>>
>> @Nils, will update-grub look on unmounted drives or will it only
>> search currently mounted ones?  I presume the second drive will not
>> be automatically mounted as there will not be an entry for it in
>> fstab.
>
> No matter if they are mounted or not, update-grub looks for all
> available partitions and tries to find other systems for the grub menu.

That is good to know.  Thanks

Colin