Best way to customize grub?

Hi all! New user here. Everything is going swimmingly with my Endeavour setup. One thing I want to do however, it customize my grub menu. I’d like to edit the order of entries on it to get my ideal default. In addition, maybe upgrade the image to something higher res?

I’ve looked at grub-customizer but some posts mention it’s not ideal: Grub-Customizer Error After Update? - #2 by Elloquin

What would be the recommended way of customizing grub?

Welcome to the forum.

I would recommend doing it indirectly, by editing /etc/default/grub and then running

sudo grub-mkconfig -o /boot/grub/grub.cfg

This generates the GRUB config file: /boot/grub/grub.cfg which I would recommend not to touch yourself.

For more information:


I personally have mine quiet with a zero time out. I never even see it and boot to user space as fast as imaginable.


Thank you @Kresimir ! This looks like the ideal approach.

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If you do not wish to create your own theme, there are a selection available from There is also this one, which lets you mix and match your own preferred layout, style and custom image.

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