Running Ubuntu 20.04.1 LTS. On boot I get a grub menu with 2 entries (Ubuntu and Advanced) and a timeout of 30s. I want to either disable the timeout, either reduce the time to a few seconds.
This is my /etc/default/grub file, but timeout is still 30s:
# 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="saved"
GRUB_TIMEOUT_STYLE="countdown"
GRUB_TIMEOUT="2"
GRUB_DISTRIBUTOR="lsb_release -i -s 2> /dev/null || echo Debian"
GRUB_CMDLINE_LINUX_DEFAULT="maybe-ubiquity"
GRUB_CMDLINE_LINUX=""
Uncomment to enable BadRAM filtering, modify to suit your needs
This works with Linux (no patch required) and with any kernel that obtains
the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"
Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL="console"
The resolution used on graphical terminal
note that you can use only modes which your graphic card supports via VBE
you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE="640x480"
Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID="true"
Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"
Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"
GRUB_RECORDFAIL_TIMEOUT="5"
#GRUB_DISABLE_OS_PROBER="false"
#GRUB_HIDDEN_TIMEOUT="1"
GRUB_SAVEDEFAULT="true"
The entire /boot/grub/grub.cfg can be found here https://pastebin.com/qT6rFTvM