IntroductionCourse Outline

The Linux Foundation Training Partner

Duration

4 days (we can adjust the duration for teams who are already familiar with Kubernetes and want to prepare for the certification)

Objectives

  • Prepare for the CKA exam
  • Understand the Kubernetes principles
  • Understand basic Kubernetes Administration
  • Deploy, monitor, and protect applications effectively on Kubernetes
  • Install, upgrade, and troubleshoot a cluster
  • Define YAML manifests for the main resource types of Pods, workload controllers, volumes, services, and ingress controllers
  • Deploy stateless and stateful applications to take advantage of the high availability, orchestration, and scaling features of Kubernetes
  • Upgrade applications
  • Secure the platform through the use of role-based access controls and security policies
  • Apply platform extensions

Prerequisites

  • Experience working at the command line and using a text editor, such as vi or nano
  • Familiarity with the basic container and Linux process concepts
  • Ability to connect using an ssh client (openssh, Putty)

Outline for Certified Kubernetes Administrator Training

  • Kubernetes Concepts 
    • Review of container concepts
    • Why Pods? - comparison with containers, Pod principles
    • Launching Pods, and interacting with Pods (curl, exec, logs)
    • Availability at scale with Kubernetes
    • K101: Loose coupling, desired state, Namespaces, Pods, Controllers, Services
    • Detailed step-by-step cluster Installation & upgrades using kubeadm
    • The networking model
    • Kubeconfig file
    • Bootstrapping Kubernetes (systemd, kubelet manifests, etc.)
  • Application Deployment with Kubernetes
    • Kubernetes Architecture
    • Pods - init containers, multi-container design patterns
    • Resource management
    • Kubernetes API (API groups, explain, API access)
    • Workload controllers
    • Application Upgrades
    • Storage: emptyDir, hostPath, PV/PVC, dynamic storage
    • Config Maps: creation, utilization, updates
    • Secrets: creation, utilization, updates
  • Tools, Extensions, Services, Observability
    • Extending Kubernetes
    • Helm package manager, CRDs, Operators
    • Exposing applications:
    • Services, Ingress Controllers
    • ServiceMesh
    • Observability
    • Metrics Server, dashboard, Logging, Metrics, Prometheus/Grafana
  • Troubleshooting, Security, Cluster HA
    • Troubleshooting
    • Application, cluster troubleshooting steps
    • Security
    • PodSecurityPolicies (deprecated), SecurityContext
    • API Server Request handling
    • Authentication
    • Authorization (RBAC)
    • Admission Control (Policy engines)
    • Network policies
    • Cluster HA
  • Taking the Exam