2.1 Getting DevStack2.2 Basic Keystone Operations Using OpenStackClient2.2.1 Getting a Token2.2.2 Listing Users2.2.3 Listing Projects2.2.4 Listing Groups2.2.5 Listing Roles2.2.6 Listing Domains2.2.7 Creating Another Domain2.2.8 Create a Project within the Domain2.2.9 Create a User within the Domain2.2.10 Assigning a Role to a User for a Project2.2.11 Authenticating as the New User2.3 Basic Keystone Operations Using Horizon2.3.1 What Keystone Operations Are Available through Horizon?2.3.2 Accessing the Identity Operations2.3.3 List, Set, Delete, Create, and View a Project2.3.4 List, Set, Delete, Create, and View a User2.4 Tips, Common Pitfalls, and TroubleshootingCheck Your Scope: A Common Authentication ProblemCheck Your Policy and Role: A Common Authorization ProblemGetting Additional Information