Participants each use a prepared training instance in the cloud. This means that there is no setup effort during the training! An SSH client such as Putty is required.
Prior knowledge of container technologies such as Docker is recommended, e.g. completion of the play-with-docker beginner training https://training.play-with-docker.com/beginner-linux/.
Containers are using existing Linux mechanisms, basic Linux knowledge is needed. Completion of https://ryanstutorials.net/linuxtutorial/ is recommended.