A deep dive into the world of Kubernetes

Kubernetes Installation and Configuration Fundamentals

Exploring the Kubernetes Architecture

• Containers: What They Are and Why They're Changing the World
• What Is Docker and Why Container Orchestration Is Required
• What Is Kubernetes?
• Where Is Kubernetes?
• Why is it called K8s?
• K8s Benefits and Operating Principles
• What Are Microservices?
• K8s Cluster Architecture Overview
  • Control Plane Nodes
    • kube-apiserver
    • etcd
    • kube-scheduler
    • kube-controller-manager
  • Worker Nodes
    • kubelet
    • kube-proxy
    • container runtime
• k8s Networking Fundamentals
• Introducing the Kubernetes API - Objects and API Server
• Understanding API Objects - Pods
• Understanding API Objects - Controllers
• Understanding API Objects - Services
• Understanding API Objects - Storage
• Cluster Add-on Pods
• Pod Operations
• Service Operations

Installing and Configuring K8s

• Installation Considerations
• Installation Methods
• Installation Requirements
• Understanding Cluster Networking Ports
• Installing K8s on VMs
  • Preparing the linux node
  • Installing and Configuring containerd
  • Installing and Configuring K8s Packages
  • Creating a Cluster Control Plane Node
  • Bootstrapping a Cluster with kubeadm
  • Understanding the Certificate Authority's Role in Your Cluster
  • kubeadm Created kubeconfig Files and Static Pod Manifests
  • Adding a Worker Node to Your Cluster
• Setting up Your Own K8s Cluster for Testing
  • Click Here to Go to Github Repo for Creating a Automation Lab Environment
    • How to Perform a Manual Cluster Installation
      • Click Here to Go to Github Document for Manual Installation of Cluster
    • How to Perform a Automated Cluster Installation Using Ansible
      • Ansible Project for Testing Environments - install-k8s-on-linux
      • Production Level and Advanced Customizations - Kubespray

Fundamentals to work with k8s clsuter

• Introducing and Using kubectl
• Imperative way of managing the configurations and deployment of resources.
• Understanding YAML and YAML manifests.
• Declerative way of managing the configurations and deployment of resources.

Managing Kubernetes Controllers and Deployments

Using Controllers to Deploy Applications and Deployment Basics

• Kubernetes Principals, the Controller Manager, and Introduction to Controllers
• Examining System Pods and Their Controllers
• Introducing the Deployment Controller and Deployment Basics
• Creating a Basic Deployment Imperatively and Declaratively
• Understanding ReplicaSet Controller Operations
• Creating a Deployment and ReplicaSet Controller
• ReplicaSet Controller Operations - Working with Labels and Selectors
• ReplicaSet Controller Operations - Node Failures

Maintaining Applications with Deployments

• Updating a Deployment and Checking Deployment Rollout Status
• Using Deployments to Change State and Controlling Updates with UpdateStrategy
• Pausing and Rolling Back Deployments
• Rolling Back a Deployment and Controlling the Rate of a Rollout with UpdateStrategy
• Using UpdateStrategy and Readiness Probes to Control a Rollout
• Restarting a Deployment
• Scaling Deployments

Deploying and Maintaining Applications with DaemonSets and Jobs

• Controllers in Kubernetes and Understanding DaemonSets
• Updating DaemonSets
• Creating and DaemonSets Controller Operations
• Creating DaemonSets with NodeSelectors and Updating DaemonSets
• Introducing and Working with Jobs
• Introducing and Working with CronJobs
• Executing Tasks with Jobs
• Dealing with Job Failures and restartPolicy
• Working with Parallel Jobs and Scheduling Tasks with CronJobs
• Introducing StatefulSets