On Sun, 13 Jun 2021 18:57:49 -0400, Walter Dnes wrote:

>   When experimenting with this, I'll backup grub.cfg.  If things go
> awry, boot with the USB key I used for the install, and copy back the
> old known working grub.cfg.  I've done a first crack at this.  I assume
> that nothing in /etc/default/grub will have any effect.  Questions...

/etc/default/grub is only used when you call grub-mkconfig.

> 1) Is "insmod extfs3" necessary? I've built extfs3 into the kernels.

If the kernel is on an ext3 filesystem, yes. This is GRUB's module, it
uses it to read an ext3 filesystem in order to load the kernel.

> 2) I assume that the the first "menuentry" will be the default boot?

Yes, you'll see default=0 in the first part of grub.cfg.

> 3) Is the default timeout still 5 seconds?

Not sure on that one, but look at grub.cfg.

> 3) I assume that 640x480 is supported on just about every monitor
> out there.  I want as large text as possible.  My eyes are getting
> old... just like me.

My eyes are better than they were 40 years ago but don't ask about my
hearing, or if you must, do it loudly...


-- 
Neil Bothwick

Documentation: (n.) a novel sold with software, designed to entertain the
               operator during episodes of bugs or glitches.