How to run firefox on a remote machine?

Question

ubuntu

Given. Remote vps ovh. Ubuntu 16.04. XFCE XRDP Firefox.
The task is to start firefox.
The moment is, firefox is launched under any user except the current one.
If I made the login user user1. Then I can start firefox only from the command line, and only after changing the current user su user2(...10) && firefox.
If I made login user root! That That I can start firefox only from the command line, and only after changing the current user su user2(...10) && firefox.

Answer 1

Try like this:
firefox &