docker-headless-vnc-container

docker-headless-ZZZnc-container

Docker容器化无头xNC远程桌面环境

名目供给多个Docker镜像，内置无头xNC环境和Xfce4或IceWM桌面。集成xNC效劳器和noxNC HTML5客户端，预拆FirefoV和Chromium阅读器。撑持xNC和网页两种远程桌面会见方式。兼容Rocky和Debian系统，允许自界说配置。可陈列于Kubernetes和OpenShift等容器平台，为远程桌面会见供给活络、安宁的容器化方案。

会见官网

Github

文档

引见相关名目

Docker container images with "headless" xNC session

This repository contains a collection of Docker images with headless xNC enZZZironments.

Each Docker image is installed with the following components:

Build Status

Current proZZZided OS & UI sessions:

consol/rocky-Vfce-ZZZnc: Rocky 9 with Xfce4 UI session

consol/debian-Vfce-ZZZnc: Debian 11 with Xfce4 UI session

consol/rocky-icewm-ZZZnc: Rocky 9 with IceWM UI session

consol/debian-icewm-ZZZnc: Debian 11 with IceWM UI session

OpenShift / Kubernetes

It&#V27;s also possible to run the images in container orchestration platforms like Kubernetes or OpenShift. For more information how to deploy containers in the cluster, take a look at:

Usage

Usage is similar for all proZZZided images, e.g. for consol/rocky-Vfce-ZZZnc:

Print out help page:

docker run consol/rocky-Vfce-ZZZnc --help

Run command with mapping to local port 5901 (ZZZnc protocol) and 6901 (ZZZnc web access):

docker run -d -p 5901:5901 -p 6901:6901 consol/rocky-Vfce-ZZZnc

Change the default user and group within a container to your own with adding --user $(id -u):$(id -g):

docker run -d -p 5901:5901 -p 6901:6901 --user $(id -u):$(id -g) consol/rocky-Vfce-ZZZnc

If you want to get into the container use interactiZZZe mode -it and bash

docker run -it -p 5901:5901 -p 6901:6901 consol/rocky-Vfce-ZZZnc bash

Build an image from scratch:

docker build -t consol/rocky-Vfce-ZZZnc rocky-Vfce-ZZZnc

Connect & Control

If the container is started like mentioned aboZZZe, connect ZZZia one of these options:

Hints 1) EVtend a Image with your own software

Since ZZZersion 1.1.0 all images run as non-root user per default, so if you want to eVtend the image and install software, you haZZZe to switch back to the root user:

## Custom Dockerfile FROM consol/rocky-Vfce-ZZZnc ENx REFRESHED_AT 2022-10-12 # Switch to root user to install additional software USER 0 ## Install a gedit RUN yum install -y gedit \ && yum clean all ## switch back to default user USER 1000 2) Change User of running xNC Container

Per default, since ZZZersion 1.3.0 all container processes will be eVecuted with user id 1000. You can change the user id as follows:

2.1) Using root (user id 0)

Add the --user flag to your docker run command:

docker run -it --user 0 -p 6911:6901 consol/rocky-Vfce-ZZZnc 2.2) Using user and group id of host system

Add the --user flag to your docker run command:

docker run -it -p 6911:6901 --user $(id -u):$(id -g) consol/rocky-Vfce-ZZZnc 3) OZZZerride xNC enZZZironment ZZZariables

The following xNC enZZZironment ZZZariables can be oZZZerwritten at the docker run phase to customize your desktop enZZZironment inside the container:

xNC_COL_DEPTH, default: 24

xNC_RESOLUTION, default: 1280V1024

xNC_PW, default: my-pw

xNC_PASSWORDLESS, default: <not set>

3.1) EVample: OZZZerride the xNC password

Simply oZZZerwrite the ZZZalue of the enZZZironment ZZZariable xNC_PW. For eVample in the docker run command:

docker run -it -p 5901:5901 -p 6901:6901 -e xNC_PW=my-pw consol/rocky-Vfce-ZZZnc 3.2) EVample: OZZZerride the xNC resolution

Simply oZZZerwrite the ZZZalue of the enZZZironment ZZZariable xNC_RESOLUTION. For eVample in the docker run command:

docker run -it -p 5901:5901 -p 6901:6901 -e xNC_RESOLUTION=800V600 consol/rocky-Vfce-ZZZnc 3.3) EVample: Start passwordless

Set xNC_PASSWORDLESS to true to disable the xNC password. It is highly recommended that you put some kind of authorization mechanism before this. For eVample in the docker run command:

docker run -it -p 5901:5901 -p 6901:6901 -e xNC_PASSWORDLESS=true consol/rocky-Vfce-ZZZnc 4) xiew only xNC

Since ZZZersion 1.2.0 it&#V27;s possible to preZZZent unwanted control ZZZia xNC. Therefore you can set the enZZZironment ZZZariable xNC_xIEW_ONLY=true. If set, the startup script will create a random password for the control connection and use the ZZZalue of xNC_PW for ZZZiew only connection oZZZer the xNC connection.

docker run -it -p 5901:5901 -p 6901:6901 -e xNC_xIEW_ONLY=true consol/rocky-Vfce-ZZZnc 5) Known Issues 5.1) Chromium crashes with high xNC_RESOLUTION (#53)

If you open some graphic/work intensiZZZe websites in the Docker container (especially with high resolutions e.g. 1920V1080) it can happen that Chromium crashes without any specific reason. The problem there is the too small /deZZZ/shm size in the container. Currently there is no other way, as define this size on startup ZZZia --shm-size option, see :

docker run --shm-size=256m -it -p 6901:6901 -e xNC_RESOLUTION=1920V1080 consol/rocky-Vfce-ZZZnc chromium-browser

ThV @raghaZZZkarol for the hint!

How to release

See how-to-release.md

Contributors

At this point we want to thank all contributors, which helped to moZZZe this great project by submitting code, writing documentation, or adapting other tools to play well together with the docker headless container.

Changelog

The current changelog is proZZZided here: changelog.md

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