I'm dual-booting Fedora on a Mac.
Due to driver issues, I prefer to use modified "t2" kernels.
Grub 2 only shows a tiny, faint, white-on-black menu for a moment, before selecting the default kernel. It's not long enough for me to read the list and find the right kernel and pick it.
Grubby let me change the default, but that doesn't keep up with updates.
How can I improve readability in the grub 2 menu? I understand one solution involves finding and installing themes, presumably from here
https://github.com/vinceliuice/grub2-themes, although the documentation site is down, and another involves installing fonts in /boot/grub2/fonts and adding a line to /etc/default/grub
How can I increase time allowed in the grub 2 menu? Do I just open /etc/default/grub and change GRUB_TIMEOUT=5 to =30?
Should I undo the grubby changes, and if so, how? man grubby doesn't say anything about this. Searching for revert grubby or default grubby mostly turns up instructions on how to use grubby to revert to an old kernel as the default, if a new kernel causes trouble.
For now I've updated the grubby default.
