Challenge, Easy, on
Kubernetes Pod Scheduling: nodeSelector and Node Affinity
Start with nodeSelector for simple node targeting, then upgrade to node affinity for expressive matching that nodeSelector cannot handle.
Submissions: 20/22
Challenges
Focused hands-on problems designed to help you hone your DevOps or Server Side skills. Some challenges are more educational, while others are based on real-world scenarios. The platform provides hints and feedback for each challenge, including automated solution checks.
Community Collection
Challenges contributed by the community members sharing their knowledge and expertise.
Challenge, Medium, on
Kubernetes Pod Scheduling: LimitRange and ResourceQuota
Use LimitRange to set per-pod resource defaults and ResourceQuota to cap total namespace consumption.
Submissions: 16/28
Challenge, Easy, on
Kubernetes Pod Scheduling: Quality of Service Classes
See how Kubernetes determines BestEffort, Burstable, and Guaranteed classes from resource configuration - and which pods get evicted first under pressure.
Submissions: 23/23
Challenge, Easy, on
Kubernetes Pod Scheduling: Resource Requests
See how CPU and memory requests influence where pods land - and what happens when no node can fit them.
Submissions: 32/56