Enable GRUB menu and timeout
Even if you don't multiboot several operating systems it might be useful to show GRUB menu and give a little timeout to pick the right item.
Process is straightforward on Ubuntu – just edit following file:
sudo nano /etc/default/grub
Find following default values:
And change them to following:
Don't forget to propagate GRUB configuration:
I have recently ran that on Linux Mint and it showed following:
Sourcing file `/etc/default/grub' Sourcing file `/etc/default/grub.d/50_linuxmint.cfg' Sourcing file `/etc/default/grub.d/60_mint-theme.cfg' Generating grub configuration file ... Found theme: /boot/grub/themes/linuxmint/theme.txt Found linux image: /boot/vmlinuz-5.3.0-45-generic Found initrd image: /boot/initrd.img-5.3.0-45-generic Found linux image: /boot/vmlinuz-5.3.0-42-generic Found initrd image: /boot/initrd.img-5.3.0-42-generic Found linux image: /boot/vmlinuz-5.0.0-32-generic Found initrd image: /boot/initrd.img-5.0.0-32-generic Adding boot menu entry for EFI firmware configuration done
Note that it mentions theme
/boot/grub/themes/linuxmint/theme.txt – this might be a good chance to give your bootloader some personal touch :)
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