Focused, hands-on problems for sharpening your DevOps and server-side skills. Some teach specific concepts while others mirror real-world scenarios. Every challenge includes hints, feedback, and automated solution checks.
A developer named siddhi requires read-only access to specific resources in the production namespace. Create a Role and RoleBinding to grant the minimum required permissions without any write access.
Two monitoring applications are failing due to missing RBAC permissions. Fix both by creating ServiceAccounts, Roles, and RoleBindings.
Create a ServiceAccount with permissions to access only that specific Secret using RBAC resourceNames restriction.
A Deployment is failing because its ServiceAccount lacks permissions to list pods. Fix the issue by binding an existing Role to the ServiceAccount.