mainline kernel and preferred kernel

[Leszek Lesner (Web.de)]

Am Dienstag, 22. April 2014, 11:19:58 schrieb Leszek Lesner:
> Am Dienstag, 22. April 2014, 11:15:00 schrieb farinet at arcor.de:
> > Since i found somewhere - to resolve my a2dp problem - the suggestion to
> > try with the 3.15 mainline kernel, i installed this. The kernel works
> > fine so far, but that specific problem, for me at least, isn't solved by
> > it. Now, in the grub menu, the mainline kernel is the topmost (i do not
> > like to remove it, since together with the 3.13 kernel it's the only one
> > i have and i prefer to have at least 2, to have an alternative in case
> > of problems) but i would like to start by default in the default kernel.
> > 
> > How is this done (by modifying grub, i presume??), if it can be done?
> 
> You can change the default boot entry in /etc/default/grub at the option
> GRUB_DEFAULT=X (where X is the number of the default boot entry starting
> with 0 for the first one)
> 
> You could also set
> GRUB_DEFAULT=saved
> GRUB_SAVEDEFAULT=true
> 
> so it remembers the last choice and sets it as default.

I forgot to mention after this you need to run
sudo update-grub 
for updating the bootloader itself with the new config.