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This is not a duplicate of this question -- that question deals with a dual-boot situation.

I have a completely stock install of Ubuntu 20.04 (on a Thinkpad p1 gen 2) on my main hard drive / boot device, and no other operating systems. When I power on the laptop and do nothing else, it boots to a grub menu, where the default option is to boot Ubuntu.

I would like to skip the grub menu and boot Ubuntu directly. My (stock) /etc/default/grub file looks like:

# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
#   info -f grub -n 'Simple configuration'

GRUB_DEFAULT=0
GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT=0
GRUB_DISTRIBUTOR=lsb_release -i -s 2> /dev/null || echo Debian
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""
Max Wallace
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  • @karel no, the answers in that question don't solve the problem in this case. I don't know if this is specific to 20.04 but it might be. – Max Wallace Sep 11 '20 at 03:52

1 Answers1

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Add

GRUB_RECORDFAIL_TIMEOUT=0

to your /etc/default/grub (sudo is required to edit it) and then run sudo update-grub.

Simply reboot and the system should boot Ubuntu directly without pausing at the grub menu.

Source

Max Wallace
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  • Oddly, that didn't work in my Kubuntu 23.10 (dev). But the old solution of setting GRUB_TIMEOUT= worked , although letting a sec or two is more reasonable in case of problems, when one might need to use another kernel. – cipricus Sep 29 '23 at 12:11