Kubernetes Administration

Course overview

Containerization (Recap) Containers, Images, and Registries Container Runtimes: containerd & Co. Overview of Kubernetes Motivation and Use Cases The CNCF Ecosystem and Kubernetes Distributions Cluster Architecture and Components Control Plane: API Server, Scheduler, Controller Manager, etcd Worker Nodes: kubelet, kube-proxy, Container Runtime Interaction of Components Building and Maintaining Your Own Cluster Installation Methods Overview: Minikube, kubeadm, Managed Kubernetes Cluster Installation with kubeadm, Step by Step (Lab) Cluster Upgrades: Safely Updating Versions (Lab) Pods and the Kubernetes API Pods: Concept, Manifests (YAML), Lifecycle (Lab) kubectl: Working Declaratively vs. Imperatively (Lab) Namespaces, Labels, and Selectors Scheduling How Kubernetes Decides Where Pods Run Influencing Factors: nodeSelector, Affinity, Taints, and Tolerations (Lab) Scaling Workloads ReplicaSets and Deployments (Lab) Rolling Updates, Rollbacks, Self-Healing Managing Resources Requests and Limits (Lab) Impact on Scheduling and Cluster Stability Autoscaling (HPA) Overview Application Monitoring Health Checks: Liveness, Readiness, and Startup Probes (Lab) Cluster Monitoring: metrics-server and Prometheus Overview Networking Understanding the Kubernetes Network Model Services: ClusterIP, NodePort, LoadBalancer (Lab) Name Resolution in the Cluster: DNS External Access with Ingress (Lab) Controlling Network Traffic: NetworkPolicies Overview Service Meshes Overview Stateful Applications Volumes, PersistentVolumes, and PersistentVolumeClaims (Lab) StorageClasses and Dynamic Provisioning (Lab) StatefulSets Application Configuration Proper Use of Environment Variables (Lab) ConfigMaps: Separating Configuration from the Application (Lab) Secrets: Handling Sensitive Data Helm Packaging Applications: Charts, Values, Releases (Lab) Using and Customizing Existing Charts Operations and Troubleshooting in Daily Life Key Tools: kubectl logs, describe, events, exec (Lab) Central Logging Overview (EFK Stack) Access Control with RBAC Roles, ClusterRoles, and RoleBindings (Lab) ServiceAccounts: Permissions for Applications Insights into Advanced Topics Security Deep Dive: Admission Controllers, Pod Security Concepts High Availability and etcd Backup CRDs and Operators Managed Kubernetes and Cloud Offerings Learning Path Recommendations, including towards CKA Conclusion Open Questions and Transfer to Daily Work

Upcoming dates

• 2026-08-09T22:00:00.000Z · 2026-08-12T22:00:00.000Z · Online-Seminar
• 2026-09-14T22:00:00.000Z · 2026-09-17T22:00:00.000Z · Köln · Seminar
• 2026-09-14T22:00:00.000Z · 2026-09-17T22:00:00.000Z · Online-Seminar
• 2026-10-18T22:00:00.000Z · 2026-10-21T22:00:00.000Z · Köln · Seminar