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Testprep Training

Kubernetes Basics Online Course

Kubernetes Basics Online Course


This course is designed to help beginners understand Kubernetes and learn how to deploy, manage, and scale containerized applications in a production-like environment. Kubernetes has become the industry standard for DevOps and cloud-native applications, making it an essential skill for software developers, DevOps engineers, and system administrators.


Learning outcomes

You will start by setting up a Kubernetes cluster using Minikube and gradually move to creating, scaling, and troubleshooting applications in Kubernetes. The course also covers managing deployments and services using YAML configuration files, allowing you to apply updates efficiently. By the end of the course, you will have the practical skills needed to deploy real-world applications using Kubernetes.


Key Benefits

  • Learn Kubernetes from scratch and gain hands-on experience.
  • Deploy and manage containerized applications in a cluster.
  • Master Kubernetes components such as pods, deployments, and services.
  • Use YAML configuration files to create, modify, and manage Kubernetes resources.
  • Understand the Kubernetes dashboard and how to monitor clusters.
  • Learn to scale applications and handle failures automatically.
  • Improve your DevOps and cloud deployment skills for career growth.


Target Audience

This course is ideal for:

  • DevOps engineers who need to deploy and manage applications with Kubernetes.
  • Software developers looking to understand how their applications run in Kubernetes clusters.
  • Cloud engineers who want to improve their knowledge of container orchestration.
  • IT professionals and system administrators transitioning to Kubernetes-based infrastructure.


Prerequisites:

  • Basic knowledge of Docker (required for container-based workloads).
  • Familiarity with the command line (helpful but not mandatory).
  • Interest in cloud computing, DevOps, and software deployment.


Learning Objectives

  • Understand the fundamentals of Kubernetes and how it works.
  • Learn Kubernetes architecture, including nodes, pods, and services.
  • Set up a local Kubernetes cluster using Minikube.
  • Use kubectl to interact with Kubernetes clusters.
  • Deploy and manage applications using YAML configuration files.
  • Create Kubernetes services to enable internal and external connectivity.
  • Learn how to scale, update, and troubleshoot Kubernetes applications.
  • Understand the Kubernetes dashboard and how to monitor cluster activity.


Course Content Overview

The Kubernetes Basics Exam covers the following topics - 

Domain 1. Introduction to Kubernetes

  • Overview of Kubernetes and why it is used in DevOps.


Domain 2. Understanding Kubernetes Components

  • What Kubernetes is and its role in container orchestration.
  • Exploring Kubernetes pods and how they run applications.
  • Understanding Kubernetes clusters and how nodes interact.
  • Introduction to Kubernetes services for internal and external connectivity.
  • Learning about kubectl, the command-line tool for managing Kubernetes.


Domain 3. Setting Up a Kubernetes Environment

  • Listing the software requirements for the course.
  • Installing kubectl for managing Kubernetes.
  • Setting up Minikube to create a local Kubernetes cluster.


Domain 4. Creating a Kubernetes Cluster

  • Launching a Kubernetes cluster using Minikube.
  • Exploring Kubernetes nodes and their roles in managing applications.


Domain 5. Managing Pods in Kubernetes

  • Creating and running a single pod inside Kubernetes.
  • Exploring pod internals and how they function.
  • Setting up aliases for kubectl commands to simplify workflows.


Domain 6. Deploying Applications in Kubernetes

  • Creating and managing Kubernetes deployments.
  • Scaling deployments to handle increased traffic.
  • Connecting to individual pods using their IP addresses.


Domain 7. Configuring Kubernetes Services

  • Understanding what Kubernetes services are and why they are important.
  • Creating a ClusterIP service to connect internal deployments.
  • Using the ClusterIP service to access the deployed application.


Domain 8. Removing Kubernetes Deployments and Services

  • Deleting deployments and services when they are no longer needed.


Domain 9. Deploying a Node.js Application in Kubernetes

  • Developing a Node.js web application for deployment.
  • Containerizing the Node.js application with Docker.
  • Uploading the custom Docker image to Docker Hub.
  • Deploying the custom Docker image in Kubernetes.
  • Scaling the Node.js deployment to handle multiple requests.
  • Creating a NodePort service for external access.
  • Setting up a LoadBalancer service for traffic management.


Domain 10. Handling Rolling Updates and Pod Failures

  • Performing a rolling update to replace an existing deployment.
  • Observing how Kubernetes handles pod failures and recovery.


Domain 11. Exploring the Kubernetes Dashboard

  • Launching and managing Kubernetes resources using the dashboard.


Domain 12. Using YAML Configuration Files in Kubernetes

  • Writing a YAML file for defining a deployment.
  • Learning how to reference Kubernetes documentation for YAML specifications.
  • Applying a YAML deployment file to manage applications.
  • Creating YAML files for defining Kubernetes services.


Domain 13. Deploying Multiple Applications in Kubernetes

  • Planning the deployment of two different applications.
  • Creating another web application with two endpoints.
  • Building a custom Docker image for the second web application.
  • Writing YAML service files for both applications.
  • Setting up NGINX as a reverse proxy.
  • Deploying both applications using YAML specifications.


Domain 14. Connecting Different Deployments in Kubernetes

  • Testing network communication between different deployments.
  • Resolving service names to their assigned IP addresses.
  • Cleaning up by deleting both applications when no longer needed.


Domain 15. Using CRI-O as an Alternative Container Runtime

  • Understanding what CRI-O is and how it differs from Docker.
  • Changing the Kubernetes container runtime from Docker to CRI-O.
  • Deploying applications using CRI-O as the runtime.
  • Verifying connectivity between deployments using CRI-O.


Domain 16. Course Summary and Next Steps

  • Reviewing the key topics covered in the course.
  • Exploring further learning opportunities in Kubernetes and DevOps.

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