noVNC Docker Image

Compute Resources

• See the RIS Service Desk for additional assistance.

• User Agreement

Docker Usage

• The information contained on this page assumes that you have a knowledge base of using Docker to create images and push them to a repository for use. If you need to review that information, please see the links below.

• Docker and the RIS Compute Service

• Docker Basics: Building, Tagging, & Pushing A Custom Docker Image

Image Details

• Docker image hosted at ghcr.io/washu-it-ris/novnc

• Fluxbox (http://www.fluxbox.org/)

• noNVC (https://kanaka.github.io/noVNC/)

• supervisord (http://supervisord.org)

• turboVNC (https://turbovnc.org/)

• websockify (https://github.com/novnc/websockify)

• x11vnc (http://www.karlrunge.com/x11vnc/)

• xterm (http://invisible-island.net/xterm/)

• Xvfb (http://www.x.org/releases/X11R7.6/doc/man/man1/Xvfb.1.xhtml)

Interactive GUI

The RIS Open OnDemand interface is the recommended way to run an application needing an interactive GUI.

The Open OnDemand: Interactive Apps page allows users to start various applications from basic templated forms. For all other applicationsm the Custom noVNC Image form is recommended.

Extending the noVNC Image

The RIS noVNC image can be extended for use on compute1 and the RIS Open OnDemand interface.

FROM ghcr.io/washu-it-ris/novnc:ubuntu20.04

RUN apt-get update && /
  apt-get install -y bison

Run on Compute

• Interactions GUI sessions are done via the Custom noVNC Image application in Open On Demand (OOD).

• You can find out more about OOD here: Compute Quick Start.

• There are two fields beyond the basics that will need information specific to this image.

  • Environment Variables

  • Docker Image

Environment Variables

• This information should be space separated in the field.

PASSWORD=password

• Optional variables

  • GUI display size. This can be changed with the following variables.

    • Width default: 1024

    • Height default: 768

  DISPLAY_WIDTH=<width> DISPLAY_HEIGHT=<height>
  

Docker Image

ghcr.io/washu-it-ris/novnc:<tag>

• Fill out the rest of the fields with the appropriate information (explained in the quick start).

• Launch the job through the methods described in the quick start.

Available Versions

Current Version:

• ghcr.io/washu-it-ris/novnc

  • ubuntu22.04

  • ubuntu20.04_cuda11.0_xfce

  • ubuntu20.04_cuda11.6_xfce

Earlier Versions:

Earlier versions are still available but no longer directly supported by RIS. Please refer to the latest version for direct support.

• ghcr.io/washu-it-ris/novnc

  • ubuntu20.04_xfce

  • ubuntu20.04_cuda11.6

  • ubuntu20.04_cuda11.0

  • ubuntu20.04

• gcr.io/ris-registry-shared/novnc

  • latest, ubuntu_cuda, ubuntu20.04_cuda11.0

  • ubuntu, ubuntu20.04

  • desktop_ood

  • desktop_ood_cuda

  • ubuntu18.04_cuda10.1

  • ubuntu18.04_cuda11.6

  • centos7

  • centos7_cuda10.1

  • centos7_cuda11.6