All training material,except the Foreman training is licensed under Attribution-NonCommercial-ShareAlike 4.0 International.
The Foreman training is licensed under Attribution-ShareAlike 4.0 International (CC BY-SA 4.0).
Patches to fix mistakes or add optional content are always appreciated. If you want to see changes on the default content of the training we are open for suggestions but keep in mind that the training is intended for a specific amount of days.
The rendered content will be updated at least if we do a newer version of the material which will also be tagged on git.