This is very simple, edit /etc/default/grup, replace quiet to splash, then run sudo update-grub.
Reference: https://unix.stackexchange.com/questions/537346/re-enable-shutdown-messages-ubuntu-18-04-server
This is very simple, edit /etc/default/grup, replace quiet to splash, then run sudo update-grub.
Reference: https://unix.stackexchange.com/questions/537346/re-enable-shutdown-messages-ubuntu-18-04-server