Cloning Rocky Linux 9 and Useful Commands to Use Afterwards

General Info: efibootmgr

Verbose Info: efibootmgr -v

Change Boot Order: sudo efibootmgr -o 0002,0001,0000

Delete and Entry: efibootmgr -b 0003 -B

Add an Entry: efibootmgr -c -d /dev/nvme0n1p1 -p 1 -L "ApacheTrafficH" -l '\EFI\ApacheTrafficH\grubx64.efi'

Changing "Computer Names"

View Host Name: hostnamectl status

Set / Change Host Name: hostnamectl set-hostname NEWNAME

Another place to modify a Host Name: /etc/hosts