From inside the properly booting hirsute instance mentioned in the prior comment:
ubuntu@ubuntu:~$ lsb_release -c Codename: hirsute ubuntu@ubuntu:~$ sudo mokutil --sb-state SecureBoot enabled
From inside the properly booting hirsute instance mentioned in the prior comment:
ubuntu@ubuntu:~$ lsb_release -c
Codename: hirsute
ubuntu@ubuntu:~$ sudo mokutil --sb-state
SecureBoot enabled