Duration:

3 Days

Audience:

Employees of federal, state and local governments; and businesses working with the government.

Course Description:

This Kubernetes Administration course covers the topics of the CKA (Certified Kubernetes Administrator) exam.
Topics covered include installation, application lifecycle managment, networking, storage, security, scheduling, logging, maintenance, and troubleshooting of Kubernetes.
Target Audience: Systems Administrators and DevOps Professionals

Prerequisites:

  • Proficiency with the Linux CLI (GL120 “Linux Fundamentals”)
  • A broad understanding of Linux system administration (GL250 “Enterprise Linux Systems Administration”).
  • Basic knowledge of Linux containers, e.g. Docker (GL340 “Docker”)

Supported Distributions:

Red Hat Enterprise Linux 7

Course Outline:

  1. CORE CONCEPTS
    1. CKA Objectives Covered
    2. Kubernetes Architecture
    3. Cluster Communication
    4. Objects
    5. Object Properties
    6. Labels & Selectors
    7. Annotations
    8. Object Management
    9. Object Management (cont.)
    10. Image Fundamentals
    11. Container Fundamentals
    12. Pod Fundamentals
    13. Working with Pods

    LAB TASKS

    1. Container and Pod Fundamentals
    2. Single Node Install
    3. Pod Fundamentals
  2. INSTALLATION
    1. CKA Objectives Covered
    2. Installation pre-requisites
    3. Installation (single node)
    4. Installation (production)
    5. Client Tool Optimizations
    6. Installing HA Control Plane (DEMO)

    LAB TASKS

    1. Kubernetes HA Masters Install
    2. Kubernetes Install
    3. Joining Worker Nodes
  3. APPLICATION LIFECYCLE MANAGEMENT
    1. CKA Objectives Covered
    2. Pod Lifecycle
    3. Container Lifecycle
    4. Init Containers
    5. Container: command and args
    6. Container: Defining Environment
    7. ReplicaSet
    8. Deployments
    9. Working with Deployments
    10. Deployment Rollouts

    LAB TASKS

    1. Pod Lifecycle
    2. Init Containers
    3. Deployments
  4. NETWORKING
    1. CKA Objectives Covered
    2. Network Overview
    3. Service Discovery & CoreDNS
    4. Container Network Interface (CNI)
    5. Services
    6. Ingress Objects

    LAB TASKS

    1. Ingress Controller
    2. Port-Forwarding
    3. Services
    4. Ingress
  5. STORAGE
    1. CKA Objectives Covered
    2. Storage
    3. Volume Types
    4. Volume Types
    5. Static Volumes (DEMO)
    6. ConfigMaps
    7. ConfigMaps
    8. Secrets

    LAB TASKS

    1. (DEMO) Static Volumes
    2. (DEMO) ConfigMaps & Secrets
    3. Static Volume Provisioning
    4. ConfigMaps and Secrets
  6. SECURITY
    1. Controlling Access to the Kubernetes API
    2. Admission Controllers
    3. PodSecurityPolicies Admission Controller
    4. Default Admission Controllers
  7. SCHEDULING
    1. CKA Objectives Covered
    2. Controlling and Tracking Resources
    3. Scheduler Operation
    4. DaemonSet
    5. Node Affinity & Anti-affinity
    6. Pod Affinity & Anti-affinity
    7. Taints & Tolerations

    LAB TASKS

    1. (DEMO) Affinity and Taints
    2. Pod Resources and Scheduling
    3. Static Scheduling and Daemonsets
    4. Pod and Node Affinities
  1. JOBS AND CRONJOBS
    1. Jobs
    2. CronJobs

    LAB TASKS

    1. Jobs
    2. CronJobs
  2. LINUX CONTAINERS
    1. Application Management Landscape
    2. Application Isolation
    3. Resource Measurement and Control
    4. Container Security
    5. OverlayFS Overview
    6. Container Security
    7. Open Container Initiative

    LAB TASKS

    1. Container Concepts runC