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+====== 2022-01-30 - X11 forwarding to docker container ======
+sometime ago i had an issue with X11 forwarding for containers. for quite some time i just used setup SSHd in container and X11 forward via SSH. later on things improved. in fact my [[blog:2021:12:15:2021-12-15_-_containerized_steam|steam containerization]] efforts did use that approach, yet it was not exposed, so maybe it would be good to point it out explicitly.
+the spell is:
+<code bash>
+docker run \
+  -it \
+  -rm \
+  -u "$(id -u):$(id -g)" \
+  -e DISPLAY \
+  -v /tmp/.X11-unix:/tmp/.X11-unix \
+  "your_image_with_x11_app"
+</code>
+so the key thing is to forward ''DISPLAY'' variable and path to X11 socket file. simple and straight forward... once you spent enough time on the net googling for quirks. ;)
+btw: for QT-based applications you may also want to pass ''-e QT_X11_NO_MITSHM=1'', to disabled shared memory usage.

blog/2022/01/30/2022-01-30_-_x11_forwarding_to_docker_container.txt · Last modified: 2022/01/30 20:21 by basz

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