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KDE neon on Docker

Do you want to test KDE applications from master without installing KDE neon Dev Unstable edition. Maybe you have Dev Unstable edition installed but want to develop on your stable branch. Maybe you like your larswm setup but wonder if Plasma is the desktop for you and are looking for an easy way to test it out. KDE neon Docker images are the solution to quickly give you access to use or develop another branch without reinstalling your system or spending hours compiling.

32111280196_9b2875a809_b.jpg The above screenshot shows a computer running its normal Plasma desktop with three KDE neon Docker containers. One is a full Plasma session of KDE neon User Edition, one is a full Plasma session of KDE neon Developer Unstable edition and one is a single app from Developer Stable edition running Okular.

KDE neon Docker Images comes in two variants each with the same Plasma editions as our archives. Plasma images (~2GB) come with the same software as our installable ISOs, Plasma and minimal applications. All Applications images (~4GB) come with all applications built on KDE neon.

Flavours available are: kdeneon/plasma:dev-unstable, kdeneon/plasma:dev-stable, kdeneon/plasma:user, kdeneon/plasma:user-lts (and the same for kdeneon/all)

Default user is neon and password is blank. The user has password-free sudo access.

To give it a try first set up Docker as you would for your distro. For Ubuntu distros that means running:

sudo apt install xserver-xephyr
sudo usermod -aG docker $(whoami)
newgrp docker
docker pull kdeneon/plasma:dev-unstable

This will download the latest dev-unstable image from Docker Hub.

The neondocker script lets you run Neon docker images easily, this is pre-installed on recent KDE neon installs but works on any distro

gem install docker-api

By default it will run a full session inside a Xephyr window.


Or you can tell it to run a single app

./neondocker.rb okular

This will give you a Bash prompt, you can code as you would on your host machine and run X apps. Type exit to quit, the ~/src directory will be preserved on your host machine.

For a Wayland session running in a window under either X or Wayland run. (This seems to stop any more X apps running though, spooky.)

./neondocker.rb -w
  • For the container to persist after you have closed the window add -k
  • To update to the latest build add -p
  • To use the Neon All build which has more apps add -a
  • To run a different edition add -e user/user-lts/dev-stable

You can also commit your Docker images if you make changes you would like to come back to such as installing applications. For more information on using Docker see Docker Engine user guide.

For an interactive session where you have access to your coding directory ~/src run

xhost +
docker run -ti -v /tmp/.X11-unix:/tmp/.X11-unix -v ~/src:/home/neon/src -e DISPLAY=:0 kdeneon/plasma:dev-unstable bash

This page was last modified on 4 April 2017, at 15:32. Content is available under Creative Commons License SA 3.0 as well as the GNU Free Documentation License 1.2 unless otherwise noted.