On Sun, 2016-09-11 at 19:03 -0400, The Wanderer wrote: > AFAIK, the GRUB2 menu is defined from /boot/grub/grub.cfg; the headers > of that file say that it's generated from templates in /etc/grub.d/ and > settings in /etc/default/grub. > > Based on a quick look in those locations, you probably want to adjust > one of the GRUB_CMDLINE_LINUX* settings in the latter file. I haven't > done much tweaking in that area myself, however (I only migrated to > GRUB2 within the last year, give or take), so I can't confirm that with > any certainty.
That's how I tweak grub to change things like the boot timeout and kernel commandline. I.e. edit etc/default/grub and as that file says "run 'update-grub' afterwards". -- Tixy