Mac os docker access gpu
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- #MAC OS DOCKER ACCESS GPU HOW TO#
- #MAC OS DOCKER ACCESS GPU INSTALL#
- #MAC OS DOCKER ACCESS GPU SOFTWARE#
RUN echo "exec firefox" > ~/.xinitrc & chmod +x ~/.xinitrc
#MAC OS DOCKER ACCESS GPU INSTALL#
RUN apt-get update & apt-get install -y firefox x11vnc xvfb
#MAC OS DOCKER ACCESS GPU SOFTWARE#
This approach lets you view graphical apps in the container by connecting from a VNC client running on the host.Īdd the VNC server software to your container: FROM ubuntu:latest If you’re unable to use X socket forwarding, you could setup a VNC server inside your container. Your container should now successfully authenticate to the X Server. Then run xauth add, passing the token you copied in the previous step. Inside the Docker container, install the xauth package. Run xauth list and note down one of the listed cookies. First get an X authentication token from your host machine. You might need to authenticate the container to access the X Server.
#MAC OS DOCKER ACCESS GPU HOW TO#
RELATED: How to Use Docker to Containerize PHP and Apache Handling X Authentication Exposing the host’s display server is a security risk if you’re not completely sure what lies inside the container. This approach should only be used when you trust your Docker container. The container will share your host’s X socket, so the containerised Firefox still shows up on your desktop. Now build and run the image: docker-compose buildĪ new Firefox window should appear on your desktop! The Firefox instance will run within the container, independently of any other open Firefox windows. RUN apt-get update & apt-get install -y firefox Here’s an example that runs the Firefox web browser: FROM ubuntu:latest Next, you need to create a Dockerfile for your application. You can encapsulate all this configuration in one docker-compose.yml file: version: "3" Set DISPLAY in the container to the value of $DISPLAY on your host. This instructs X clients – your graphical programs – which X server to connect to. You must also provide the container with a DISPLAY environment variable. You’ll need to use the host networking mode for this to work. The contents of this directory should be mounted into a Docker volume assigned to the container. The X socket can be found in /tmp/.X11-unix on your host.
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Providing a Docker container with access to your host’s X socket is a straightforward procedure. Forwarding An X Socket to A Docker Container If you need to temporarily run two versions of a program, you can use Docker to avoid having to remove and reinstall the software on your host. This approach also helps you avoid any incompatibilities with other packages in your environment. RELATED: How to Install Docker and Docker Compose on Linux GUI applications running in the container would then appear on your existing desktop. This allows your container to use the X Server you already have. Starting the server would try to claim your video devices, usually resulting in loss of video output as your host’s original X server gets its devices yanked away.Ī better approach is to mount your host’s X Server socket into the Docker container. You’d need to run Docker in privileged mode ( -privileged) so it could access your host’s hardware. Trying to run an X Server in Docker is theoretically possible but rarely used. (Alternative windowing systems, such as Wayland, are available – we’re focusing on X in this article.) GUI applications can’t render without an X Server available. X Servers such as Xorg provide the fundamental graphical capabilities of Unix systems. The next component is the X Window System. Unlike a virtual machine, containers share the same Linux kernel as their host system. A Docker “container” is a form of encapsulation which seems to be superficially similar to a virtual machine. You can also use it to run graphical programs though! You can either use an existing X Server, where the host machine is already running a graphical environment, or you can run a VNC server within the container.įirst it’s important to understand what Docker actually does. Docker’s normally used to containerise background applications and CLI programs.