Disable TOPT on Nextcloud 15 running in Freenas Jail

Hi All

How can I disable totp via Shell in a nextclound installation running in a freenas jail ?

I have tried the hint from this link here :
https://adrift.io/2018/12/18/disabling-two-factor-auth-on-nextcloud-15/

Problem is that occ is not present in this location, I get

occ

Any hints ?

Kind regards

hafnix