How to set up VNC on Linux?

Question

linux

Hello.
I set up a VNC server on debian according to this article.
https://www.digitalocean.com/community/tutorials/v...
When I try to connect, I get the following error:

Each time the port is displayed there next.
In iptables, all ports were open.
Help, please, to understand.

Answer 1

It's time to forget about VNC

Answer 2

what is the environment? And what user are you trying to login with?
there are a lot of x2go here