Need Grub Menu, Select Kernel, Boot Sanpshot

I have installed a few hours ago Rocky Linux, KDE and followed the defaults and did sudo dnf update

When booting it just boots and I see no menu.
I need to have the “standard” Grub menu so I can:

  • Select what kernel to boot to (if I have more than one)
  • Have the option to select a snapshot to boot to (didnt do anything in this regards yet, but I will look at Snapper or whatever similar to have snapshots if I install/uninstall/update).

I tried and did ‘sudo nano /etc/default/grub’ and changed it to be:

GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=false
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="crashkernel=1G-4G:192M,4G-64G:256M,64G-:512M resume=/dev/mapper/rl_localhost--live-swap r>
GRUB_DISABLE_RECOVERY="false"
GRUB_ENABLE_BLSCFG=true
GRUB_TIMEOUT_STYLE=menu
GRUB_TIMEOUT=5

(I just noticed the duplicate GRUB_TIMEOUT=5)
Then I did sudo grub2-mkconfig -o /boot/grub2/grub.cfg

Rebooting, thankfully it boots but still I see no menu!

How can I get Grub to display a menu to select the kernel, boot from a snapshot… etc.

Thank you.

UPDATE:
Searching and searching I found [SOLVED] I want grub menu to ALWAYS show for 4 seconds, then boot and according to the thred I did `sudo grub2-editenv - unset menu_auto_hide" then rebooted and got the menu showing 2 kernels and a 3rd option at the bottom.

Remains the question on how to take snapshots and boot to a snapshot from Grub!
I will keep searching and reading.