The delegate_to keyword can delegate a task to run on a different host.
The forks parameter in the Ansible configuration file specifies the maximum number of parallel connections to managed hosts.
The serial keyword configures Ansible to run hosts through a play in multiple batches.
The max_fail_percentage keyword configures Ansible to abort the play if more than a certain percentage of hosts in the current batch fail.
The run_once keyword specifies that a task runs once for a batch rather than once for each host in the batch.
Click CREATE to build all of the virtual machines needed for the classroom lab environment. This may take several minutes to complete. Once created the environment can then be stopped and restarted to pause your experience.
If you DELETE your lab, you will remove all of the virtual machines in your classroom and lose all of your progress.