Can't uninstall on Ubuntu 18.04

I followed guide here:

and now I want to remove it along with database, and possibly re-install so that I get clean one.

command like:
. /launcher stop app

it doesn’t.

This is discourse’s file sturctures:

I my be wrong, but you installed Discousre on to a bare machine and the command

./launcher stop app

is for use with Docker container which uses the launcher command.

Since you did not install using the Docker instructions there is no launcher command.

إعجاب واحد (1)

So then I can simply delete that folder and maybe re-initialize postgre db to reset discourse?
If so, how do I reset postgre?

Thank you.

I can not answer that as I created my first development Discourse host using WSL 2 on Windows 10 just a few days ago and have not tried to remove it. I do plan to remove and do the the instructions again to make sure it was not first time users luck.