GRUB_DEFAULT default (not a typo)

Jim Byrnes jf_byrnes at comcast.net
Thu Apr 4 17:06:37 UTC 2013


On 04/04/2013 11:39 AM, Colin Law wrote:
> On 4 April 2013 17:34, Jim Byrnes <jf_byrnes at comcast.net> wrote:
>> On 04/04/2013 10:52 AM, Colin Law wrote:
>>>
>>> On 4 April 2013 16:46, Kevin O'Gorman <kogorman at gmail.com> wrote:
>>>>
>>>> I've been following another discussion, "Changing grub default boot
>>>> order"
>>>> and took a look at /etc/default/grub, where the line
>>>>      GRUB_DEFAULT=saved
>>>> appeared.  I don't think I put that there, but I could not swear to it.
>>>> I
>>>> seem to recall that this setting used to cause GRUB to remember the last
>>>> entry used and to use it again by default.  That is not happening on my
>>>> machine, a fresh Xubuntu install of 12.04.
>>>>
>>>> Instead, GRUB always defaults to entry 0, and I have to change it to
>>>> entry 5
>>>> because entry 0 is bogus, GRUB having picked up some historical artifacts
>>>> and put them in the menu.
>>>
>>>
>>> To quote from [1] (google is great isn't it)
>>> "Saving an OS can be achieved by running sudo grub-set-default if
>>> GRUB_DEFAULT=saved is set in /etc/default/grub. It may also be saved
>>> if GRUB_SAVEDEFAULT=true is also set in /etc/default/grub. In this
>>> case, the default OS remains until a new OS is manually selected from
>>> the GRUB 2 menu or the grub-set-default command is executed."
>>>
>>> I have not tried it myself.
>>> Colin
>>>
>>> [1] https://help.ubuntu.com/community/Grub2
>>>
>>
>> I may have started that discussion. I have 2 hard drives with a bootable OS
>> on each (Ubuntu 10.04 & 12.04).  I just checked and I do not have
>> GRUB_DEFAULT=saved on either one of them. To get any changes I made to
>> GRUB_DEFAULT=(some number) to take effect I had to change it on both OS's.
>
> This is off topic for this thread, but actually you did not have to
> change both of them, just the right one (which was not the one you
> tried first).
>
> Colin
>

This makes sense, so I tried it.  Your right all I needed to do was 
change the file on 10.04 to make it work.

Regards,  JIm





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