Python Tkinter in Docker .TclError: couldn't connect to display

python ubuntu docker tkinter xfce

As described here, you would need an X11 graphic layer.
But since you are already on an '(X)Ubuntu, setting the DISPLAY should be enough:

export DISPLAY=127.0.0.1:0.0docker run -it -e DISPLAY=$DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix yourImage

Check also XAuthority.

python ubuntu docker tkinter xfce

You'll have to set DISPLAY in the container. You can add it as an argument to the docker run command like this:

docker run -ti -e DISPLAY=$DISPLAY blah-image blah-command

DISPLAY should be set in the Xubuntu shell you are running the command from.

python ubuntu docker tkinter xfce

Type xhost + in your terminal. Then

docker run --rm \    --network=host --privileged \    -v /dev:/dev \    -e DISPLAY=$DISPLAY \    -v /tmp/.X11-unix:/tmp/.X11-unix \    -v $HOME/.Xauthority:/root/.Xauthority \    -it yourimage

worked for me. xhost + disables access control. After which a client can connect from any host.

CodeHunter

Python Tkinter in Docker .TclError: couldn't connect to display

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