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k3x is a graphical user interface for k3d, making it trivial to have your own local Kubernetes cluster(s).

k3x is perfect for:

  • having a fresh Kubernetes cluster in a couple of seconds.
  • trying new deployments before going in production.
  • learning about Kubernetes.

k3x goals are:

  • to create/switch-to/destroy Kubernetes clusters easily.
  • to drive the most important operations with global keyboard shortcuts.
  • to reduce the learning curve of using Kubernetes.


Quick start


  • A Docker daemon. It can be both a local or a remote one... but things are easier with a local one. Follow these instructions for installing Docker in your machine.
  • Some Linux distribution where you can install Flatpak packages. Most modern linux distros have built-in support, but you can find more details on flatpaks in our installation instructions.

Installing k3x

The preferred installation method is from the Flathub. Just visit the k3x page at the Flathub (built from this repo) or click in the following link:

Download on Flathub

From command line, you can install it with

flatpak remote-add --user --if-not-exists flathub
flatpak install --user flathub com.github.inercia.k3x

You can also use one of the .flatpak files provided in our releases page but you should first take a look at the instructions for your distro for some peculiarities.

Running k3x

Once k3x is installed it should be available from your launcher (ie, the GNOME Shell, your Applications menu, etc.). But you can also run it from the command line with:

flatpak run --user com.github.inercia.k3x

This also print the application log when started from the terminal, useful for debugging. Check out the troubleshooting guide if something goes wrong.

Once k3x is running you will see a new icon in your system tray that will unroll a menu when clicked:

By clicking in the

And you could also try master the global keyboard shortcuts for quicly creating/destroying clusters with a keystroke.

Contributing to k3x

  • First, make sure the flatpak-builder is available in your machine.
  • You can fork and clone this repo (if you plan to contribute) or just download it in some directory in your laptop.
  • Install all dependencies with:
    make deps
  • Then you can run it with:
    make run