On 02/17/18 12:36, Grant Edwards wrote: > I'm trying to figure out how to configure grub 2.02 so that no menu is > displayed and it will boot immediately to the default unless shift is > held down during boot -- in which case it displays the menu and waits > indefinitely for a choice to be made. > > This is a bare-bones grub2 installation without any of the > auto-magical, config generator scripts. All I have is grub.cfg and an > editor. > > I've found many web pages that say all you have to to is edit > /etc/default/grub and set GRUB_TIMEOUT=0 and GRUB_HIDDEN_TIMEOUT=0 and > Bob's your uncle. Of course that file gets mashed about by dozens of > shell scripts comprising thousands of lines of code to product the > real grub.cfg containing hundreds of lines of code. > > [Oh God, how I hate grub2.] > > AFAICT, you end up with > > set timeout=0 > set timeout_style=hidden > > But, that doesn't seem to work. Holding down the shift key during boot > doesn't cause the menu to be displayed, and it always boots directly > to the default no matter what you do. > > Any grub2 experts care to lend a clue? >
It's been a while since I've done this, but I thought the hotkey was ESC not shift? All I had to do was use: GRUB_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT=5 Grub will wait for the escape key to be pressed for 5 seconds, if no keypress, it would boot. Dan
