Lucid Lynx and grub

Mario Andes multilingus at gmx.de
Sat May 1 19:59:21 UTC 2010


Hi Clay,

this constant isn't set! not in /etc/default/grub nor /boot/grub/grub.cfg!

Where shall I add the definition of this constant?

Regards Mario

On Sat, 01 May 2010 18:55:27 +0200, Clay Weber <claydoh at midmaine.com>  
wrote:

> On Friday, April 30, 2010 08:09:57 pm Mario Andes wrote:
>> Hi Bruce,
>>
>> in /etc/default/grub initially GRUB_DEFAULT is set to 'saved'. You can
> set
>> it to 0 fir the first entry in the list and so forth until the number of
>> the
>> last entry.
>> Afterwards when starting a system its number is saved in in variable
>> 'saved'
>> so the next time you start the system this number will be used if
> you have
>> set GRUB_DEFAULT='saved'.
>> That is what I expected to happen as set with 09.10!
>> BUT NOTHING! /etc/default/grub and /boot/grub/grub.cfg (translated
> vesion
>> it)
>> are ok and the system always starts with the first entry of the list.
>>
>> Apparently /etc/default/grub ist not translated correctly.
>> Unfortunately I sdo not know when and where it is translated.
>> I suppose the sources are corrupted, update-grub doesn't work or
> isn't
>> compiled well when installing.
>> The Upgrade was loaded, compiled and installed automatically in 1
> to 2
>> hours
>> loading the sources by internet and doing the rest on my computer
> with
>> 09.10.
>>
>> As 09.10 worked well all the time something during compilation
> must have
>> happened.
>>
>> Maybe somebody knows this error and what to change!
>>
>> Regards Mario
>>
>> On Sat, 01 May 2010 01:03:05 +0200, Bruce Marshall
> <bmarsh at bmarsh.com>
>>
>> wrote:
>> > On Friday, April 30, 2010, Mario Andes wrote:
>> >> Lucid Lynx' grub doesn't start but the first system in the list!
>> >> Sure, I can select another one. The advantage of grub 2 was
> that I
>> >> didn't
>> >> have to select a system every time.
>> >
>> > Maybe there is a feature of grub that I never knew about, but
> grub for
>> > me has
>> > always started the "default system".    That default system is
> defined
>> > as the
>> > number of the entry of the system in the list of systems grub
> knows
>> > about.
>> >
>> > The normal default = 0   as the system is installed, and that is
> what
>> > you are
>> > seeing happen.
>> >
>> > The default is defined in  /etc/default/grub as:
>> >
>> > GRUB_DEFAULT=0
>> >
>> > If you want it to boot some other system entry,  change the
> above to be
>> > the
>> > number of that entry in the list.
>
> Have  you looked at the documentation here?:
> https://help.ubuntu.com/community/Grub2#Configuring GRUB 2
>
> "GRUB_SAVEDEFAULT= If set to true this setting will automatically set
> the last selected OS from the menu as the default OS on the next
> boot.
> No commands need be run to set the default OS.
> Any time a menuentry is manually selected from the GRUB2 menu, it
> becomes the default OS."
>
> This is probably what you need to add/edit to your /etc/default/grub
>
> As for GRUB_DEFAULT, this is what that option is supposed to be
> doing:
>
> "GRUB_DEFAULT=saved
> The information in this section applies to GRUB 1.98 and later.
> Enables the "grub-reboot" and "grub-set-default" commands to set
> the default OS.
> The default OS will not be set by an interactive selection of an OS
> from the menu.
> grub-set-default Sets the default boot entry until changed.
> The format is sudo grub-set-default X, with X being the menuentry
> position (starting with 0 as the first entry) or the exact menu string.
> Examples: sudo grub-set-default 3 or sudo grub-set-default "Ubuntu,
> Linux 2.6.32-15-generic"
> To obtain the existing menuentry choice number (starting from 0) or
> the menuentry "string", run grep menuentry /boot/grub/grub.cfg"
>
> Note the version used above:" 1.98 or above". Karmic uses grub 1.97,
> and Lucid is using 1.98, so this is probably why you are seeing this
> change in behavior.
>
> clay
>
>


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