Kubernetes Basics for DevOps

Mumshad Mannambeth

Why You Need To Learn Kubernetes?

Learning Kubernetes is essential for any DevOps professional. DevOps engineers are always in demand. The average Silicon Valley salary for a DevOps engineer is 20% higher than that of a software engineer.

DevOps engineers make an average of $140,000 to $200,000 annually. And one of the most in-demand skills is Kubernetes Deployment.

Kubernetes is an open-source system for automating the deployment, scaling, and management of containerized applications. It was originally designed by Google and is now maintained by the Cloud Native Computing Foundation.

What's inside

Syllabus

Kubernetes Overview

The "Kubernetes Overview" module provides participants with a comprehensive introduction to Kubernetes. Participants learn about container technology and its significance in software development, as well as the concept of container orchestration. They delve into Kubernetes architecture, understanding its components and functionalities. Practical labs offer participants hands-on experience to familiarize themselves with the lab environment, preparing them for subsequent modules.

Kubernetes Concepts

In the "Kubernetes Concepts" module, participants delve into the fundamental concept of Pods in Kubernetes. Through guided demonstrations, participants learn how to set up Minikube, a tool for running Kubernetes locally, and explore the creation and management of Pods within a Kubernetes cluster. This module lays the groundwork for understanding more advanced Kubernetes concepts in subsequent modules.

Kubernetes Concepts - PODs, ReplicaSets, Deployments

The "Kubernetes Concepts - PODs, ReplicaSets, Deployments" module covers essential Kubernetes concepts for managing containerized applications. Participants learn about Pods, ReplicaSets, and Deployments through theoretical explanations, guided demonstrations, and hands-on labs. They gain practical experience in defining and managing Pods using YAML manifests, understanding the role of ReplicaSets in maintaining the desired Pod replicas, and creating and managing Deployments for application deployment and scaling. Additionally, participants explore advanced Deployment operations such as updates and rollbacks, enhancing their skills in managing application lifecycles in Kubernetes environments.

Networking in Kubernetes

The "Networking in Kubernetes" module provides participants with an introduction to networking concepts in Kubernetes. Participants learn about the fundamentals of networking within Kubernetes clusters, including how Pods communicate with each other and with external resources. This module lays the foundation for understanding more advanced networking topics in Kubernetes.

Services

The "Services" module introduces participants to Kubernetes Services, which provide a consistent way to access applications deployed in a Kubernetes cluster. Through demonstrations and labs, participants learn about different types of Services, including NodePort, ClusterIP, and LoadBalancer, and how they facilitate communication between Pods within the cluster and external clients. This module provides practical experience in configuring and managing Services in Kubernetes environments.

Microservices Architecture

The "Microservices Architecture" module provides participants with an overview of Microservices Architecture and its advantages in modern application development. Participants learn about the key characteristics and principles of Microservices, including modularity, scalability, and resilience. Through demonstrations, participants explore how to deploy a sample voting application on Kubernetes using Microservices architecture principles. Additionally, participants learn how to leverage Kubernetes Deployments for deploying and managing Microservices-based applications efficiently.

Conclusion

The "Conclusion" module provides a summary of the key concepts covered throughout the course, allowing participants to review and reinforce their understanding of Kubernetes fundamentals.

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Kubernetes Basics for DevOps with these activities:

Kubernetes Tutorial

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Help you understand the basics of Kubernetes and prepare you for the course.

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Review the Kubernetes website
Complete the Kubernetes Tutorial

Review Docker Concepts

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Ensure a solid understanding of Docker, a fundamental prerequisite for Kubernetes.

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Review the concepts of containers, images, and registries.
Practice creating and managing Docker images.
Explore advanced Docker features, such as networking and volumes.

Kubernetes Discussion Group

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Connect with peers and exchange knowledge through discussions on Kubernetes concepts and best practices.

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Join an online or in-person Kubernetes discussion group.
Actively participate in discussions, asking questions, sharing experiences, and offering support to others.
Engage in problem-solving and troubleshooting with your peers.
Stay updated on the latest advancements and trends in Kubernetes.
Build a network of fellow Kubernetes enthusiasts.

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Kubernetes Tutorial for Beginners

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Reinforce your understanding of Kubernetes concepts by following a guided tutorial designed for beginners.

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Identify a reputable tutorial source, such as the official Kubernetes documentation or a trusted online course provider.
Set up a development environment with Docker and Kubernetes installed.
Follow the tutorial step-by-step, creating containers, deploying applications, and managing Kubernetes resources.
Experiment with different Kubernetes commands and configurations.
Troubleshoot any errors or issues encountered during the tutorial.

Kubernetes Project

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Provide you with hands-on experience deploying and managing Kubernetes applications.

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Set up a Kubernetes cluster
Deploy a simple application
Monitor and manage your application

Kubernetes Resource Guide

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Enhance your knowledge of Kubernetes by compiling a comprehensive guide to resources and tools.

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Research and identify reputable sources for Kubernetes documentation, tutorials, and community forums.
Organize and categorize the resources based on topic, such as deployment, networking, or troubleshooting.
Include practical examples, code snippets, and diagrams to illustrate concepts.
Share your resource guide with your classmates or the wider Kubernetes community.
Update and maintain the guide as new resources become available.

Kubernetes Command Line Exercises

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Enhance your practical skills by practicing Kubernetes commands and operations in a hands-on environment.

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Establish a Kubernetes cluster using Minikube or a cloud provider.
Familiarize yourself with the kubectl command and its basic operations.
Practice creating, managing, and deleting Kubernetes resources, such as Pods, Deployments, and Services.
Experiment with advanced commands for inspecting logs, monitoring resource usage, and troubleshooting issues.
Challenge yourself with more complex exercises, such as scaling applications or managing storage.