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Kubernetes Core Concepts

Pods, controllers, Services, configuration, scheduling, storage and security — the mental model behind every CKA-style task. Each section ends with hands-on labs on a live practice cluster.

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  1. 1.Workloads

    0/7
    • What Is a Pod?easy
    • Deployments and ReplicaSetseasy
    • When to Use a DaemonSeteasy
    • Liveness vs Readinessmedium
    • CrashLoopBackOffmedium
    • Fix a Deployment Stuck Pulling Its Imageeasy
    • Deploy and Expose an Appeasy
  2. 2.Networking

    0/4
    • Service Typeseasy
    • A Service with No Endpointsmedium
    • NetworkPolicy Defaultshard
    • Fix a Service With No Endpointseasy
  3. 3.Configuration and resources

    0/5
    • ConfigMaps vs Secretseasy
    • Requests and Limitsmedium
    • Namespaceseasy
    • Inject a ConfigMap and a Secret as Env Varseasy
    • Fix Pods Stuck in Pendingeasy
  4. 4.Scheduling, storage and access

    0/5
    • Taints and Tolerationshard
    • PersistentVolumeClaimsmedium
    • Role vs ClusterRolemedium
    • Run a Workload on a Dedicated Nodemedium
    • Give a ServiceAccount Read-Only Accessmedium
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