Hass on Ubuntu missing Supervisior tab

Hello guys,
i just install Hass on my Ubuntu and start to configure. Unfortunately the tab Supervisior is missing.
I did try to find some solution with no success.
Can you help me , how can i enable Supervisior tab ?

What installation instructions did you follow?

I did installation followed this one , even is for raspberry

That installs home assistant core which does not include the supervisor.

You will want to look at this guide.

Awsom. It is work now.
It is in docker, but still fine for me.
Thank you sivrr