Question

Qt: XKEYBOARD extension not present on the X Server

Posted April 20, 2020 299 views
Ubuntu 18.04

This is a bit complicated and highly specific case so I will try with a high level description and if necessary delve deeper. My purpose is to run ROS (Robot Operating System) on a Digital Ocean node so that I don’t have to set it up on my Mac (anyway, it won’t run properly on a Mac.)

I’m running Ubuntu 18.04 on the Digital Ocean node. There I am running xfce4 and tightvncserver.

On my mac, I am creating the tunnel to the above server with this command:

ssh -L 5901:127.0.0.1:5901 -C -N -l <myname> <myip>

On my Mac I then use vncviewer to connect to the Digital Ocean Server, and that seems to work fine.

When I launch the most basic ROS simulator, which normally would open a graphical window if I was running on a native ubuntu box I get this error:

enter image description here

Any thoughts on what is broken and how to fix it?

Submit an answer

You can type !ref in this text area to quickly search our full set of tutorials, documentation & marketplace offerings and insert the link!