[SOLVED] Could not load the Qt platform plugin "xcb" in "" even though it was found

arkroan · April 21, 2020, 9:52am

Thanks for your suggestion. This is what was actually missing.
Doing a sudo apt install libxkbcommon-x11-0 fixed the problem.

To answer your question, yes, I am using VNC or SSH -X to start X11 applications remotely and everything else was working fine.
Now RPD also works!

Best Regards,