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How To Learn Kubernetes (Complete Roadmap For 2022)
Learning Kubernetes can seem overwhelming. It's a complex container orchestration system, that has a steep learning curve. But with the right roadmap and understanding of the foundational concepts, it's something that any developer or ops person can learn.
How To Learn Kubernetes (Complete Roadmap For 2022)
https://devopscube.com/learn-kubernetes-complete-roadmap/
How To Learn Kubernetes (Complete Roadmap For 2022)
PrerequisitesKubernetes ArchitectureCluster SetupUnderstand Kubeconfig FileUnderstand Kubernetes Objects And ResourcesLearn About Pod & Associated ResourcesThings to do with podLearn Pod Dependent ObjectsLearn Ingress & Ingress ControllersDeploy End to End Application on KubernetesLearn About Kubernetes Operator PatternLearn Important Kubernetes Configurations

Prerequisites

  • Distributed system
  • YAML
  • Docker
  • Networking Basis
      1. L4 & L7 Layers (OSI Layers)
      1. SSL/TLS: One way & Mutual TLS
      1. Proxy
      1. DNS
      1. IPTables
      1. IPVS
      1. Software Defined Networking (SDN)
      1. Virtual Interfaces
      1. overlay networking
 

Kubernetes Architecture

  • Control plane components
    • API server
    • etcd
    • Scheduler
    • Controller manager.
  • Worker node components
    • Kube Proxy
    • Kubelet
    • Container Runtime
  • Addon Components
    • CoreDNS
    • Network plugins (Calico, weave, etc)
    • Metric Server
  • Cluster high availability
    • scaling the cluster in multi zones and regions
  • Network Design
 

Cluster Setup

  • MicroK8s
  • GKE
  • EKS

Understand Kubeconfig File

Understand Kubernetes Objects And Resources

anything user creates and persists in Kubernetes is an object
 

Learn About Pod & Associated Resources

  1. Kind
  1. Metadata
  1. Annotations
  1. Labels
  1. Selectors

Things to do with pod

  1. Deploy a pod
  1. Deploy pod on the specific worker node
  1. Add service to pod
  1. Expose the pod Service using Nodeport
  1. Expose the Pod Service using Ingress
  1. Setup Pod resources & limits
  1. Setup Pod with startup, liveness, and readiness probes.
  1. Add Persistent Volume to the pod.
  1. Attach configmap to pod
  1. Add Secret to pod
  1. multi-container pods (sidecar container pattern)
  1. Init containers
  1. Ephemeral containers
  1. Static Pods
  1. Learn to troubleshoot Pods
 

Learn Pod Dependent Objects

  1. Replicaset
  1. Deployment
  1. Daemonsets
  1. Statefulset
  1. Jobs & Cronjobs
 

Learn Ingress & Ingress Controllers

 
 

Deploy End to End Application on Kubernetes

  1. Helm (Templating Engine)
  1. Kuztomize (Overlay Engine)

Learn About Kubernetes Operator Pattern

  1. Custom resource definitions
  1. Admission controllers
  1. Validating & Mutating Webhooks
  1. Prometheus Operator
  1. MySQL Operator
 

Learn Important Kubernetes Configurations

  1. Custom DNS server
  1. Custom image registry
 
 
 
 
 
 
 
 
 
 
Copyright 2022 Brandon