Certified Kubernetes Administrator (CKA) Course

These are notes from the Certified Kubernetes Administrator Course hosted on KodeKloud.

Sections

• 01-Introduction

  • 01-Course-Introduction
  • 02-Certification

• 02-Core-Concepts

  • 01-Core-Concepts-Section-Introduction
  • 02-Cluster-Architecture
  • 03-Docker-vs-ContainerD
  • 04-ETCD-For-Beginners
  • 05-ETCD-in-Kubernetes
  • 06-Kube-API-Server
  • 07-Kube-Controller-Manager
  • 08-Kube-Scheduler
  • 09-Kubelet
  • 10-Kube-Proxy
  • 11-Pods
  • 12-Practice-Test-Introduction
  • 13-Practice-Test-PODs
  • 14-ReplicaSets
  • 15-Practice-Tests-ReplicaSet
  • 16-Deployments
  • 17-Practice-Tests-Deployments
  • 18-Namespaces
  • 19-Practice-Test-Namespaces
  • 20-Services
  • 21-Services-ClusterIP
  • 22-Practice-Test-Services
  • 23-Imperative-Commands-with-kubectl
  • 24-Practice-Test-Imperative-Commands
  • 25-Attachments

• 03-Scheduling

  • 01-Scheduling-Section-Introduction
  • 02-Manual-Scheduling
  • 03-Practice-Test-Manual-Scheduling
  • 04-Labels-and-Selectors
  • 05-Practice-Test-Labels-and-Selectors
  • 06-Taints-and-Tolerations
  • 07-Practice-Test-Taints-and-Tolerations
  • 08-Node-Selectors
  • 09-Node-Affinity
  • 10-Practice-Test-Node-Affinity
  • 11.Taints-and-Tolerations-vs-Node-Affinity
  • 12-Resource-Limits
  • 13-Practice-Test-Resource-Limits
  • 14-DaemonSets
  • 15-Practice-Test-DaemonSets
  • 16-Static-Pods
  • 17-Practice-Test-StaticPods
  • 18-Multiple-Schedulers
  • 19-Practice-Test-Multiple-Schedulers
  • 20-Configuring-Kubernetes-Schedulers
  • 21-Download-Presentation-Deck

• 04-Logging-and-Monitoring

  • 01-Logging-and-Monitoring-Section-Introduction
  • 02-Monitor-Cluster-Components
  • 03-Practice-Test-Monitor-Cluster-Components
  • 04-Managing-Application-Logs
  • 05-Download-Presentation-Deck
  • 06-Practice-Test-Managing-Application-Logs

• 05-Application-Lifecycle-Management

  • 01-Application-Lifecycle-Management--Section-Introduction
  • 02-RollingUpdates-and-Rollback
  • 03-Practice-Test-RollingUpdates-Rollback
  • 04-Commands-and-Arguments-in-Docker
  • 05-Commands-and-Arguments-in-Kubernetes
  • 06-Practice-Test-Commands-and-Arguments
  • 07.Configure-Environment-Variables-in-Applications
  • 08-Configure-ConfigMaps-in-Applications
  • 09-Practice-Test-Env-Variables
  • 10.Secrets
  • 11.Practice-Test-Secrets
  • 12.Multi-Containers-PODs
  • 13-Practice-Test-Multi-Container-Pods
  • 14-Multi-Container-Pods-Design-Patterns
  • 15.Init-Containers
  • 16-Practice-Test-Init-Containers
  • 17.Self-Healing-Applications
  • 18.Download-Presentation-Deck

• 06-Cluster-Maintenance

  • 01-Cluster-Maintenance-Section-Introduction
  • 02-OS-Upgrades
  • 03-Practice-Test-OS-Upgrades
  • 04-Kubernetes-Software-Versions
  • 05-Cluster-Upgrade-Introduction
  • 06-Practice-Test-Cluster-Upgrade-Process
  • 07-Backup-and-Restore-Methods
  • 08-Working-With-ETCDCTL
  • 09-Practice-Test-Backup-and-Restore-Methods
  • 10-Practice-Test-Backup-and-Restore-Methods 2
  • 11-Download-Presentation-Deck

• 07-Security

  • 01-Security-Section-Introduction
  • 02-Kubernetes-Security-Primitives
  • 03-Authentication
  • 04-TLS-Certificates
  • 05-TLS-Basics
  • 06-TLS-in-Kubernetes
  • 07-TLS-in-Kubernetes-Certificate-Creation
  • 08-View-Certificate-Details
  • 09-Certificate-Health-Check-Spreadsheet
  • 10-Practice-Test-View-Certificate-Details
  • 11-Certificate-API
  • 12-Practice-Test-Certificates-API
  • 13-kubeconfig
  • 14-Practice-Test-KubeConfig
  • 15-API-Groups
  • 16-Authorization
  • 17-RBAC
  • 18-Practice-Test-RBAC
  • 19-Cluster-Roles
  • 20-Practice-Test-Cluster-Roles
  • 23-Image-Security
  • 24-Practice-Test-Image-Security
  • 25-Security-Context
  • 26-Practice-Test-Security-Context
  • 27-Network-Policies
  • 28-Practice-Test-Network-Policies
  • 29-kubectx-and-kubens-commands
  • 30-Download-Presentation-Deck

• 08-Storage

  • 01-Storage-Section-Introduction
  • 02-Introduction-to-Docker-Storage
  • 03-Storage-in-Docker
  • 04-Volume-Driver-Plugins-in-Docker
  • 05-Container.Storage-Interface
  • 06-Volumes
  • 07-Persistent-Volumes
  • 08-Persistent-Volume-Claims
  • 09-Using-PVC-in-PODs
  • 10-Practice-Test-Persistent-Volume-Claims
  • 11-Download-Presentation-Deck
  • 12-Storage-Class
  • 13-Practice-Test-Storage-Class

• 09-Networking

  • 01-Networking-Introduction
  • 02-Pre-requisite-Switching-Routing-Gateways
  • 03-Pre-requisite-DNS
  • 04-Pre-requisite-CoreDNS
  • 05-Pre-requisite-Network-Namespace
  • 06-Pre-requisite-Docker-Networking
  • 07-Pre-requisite-CNI
  • 08-Cluster-Networking
  • 09-Practice-Test-Explore-Env
  • 10-Pod-Networking
  • 11-CNI-in-Kubernetes
  • 12-CNI-weave
  • 13-Practice-Test-CNI-weave
  • 14-Practice-Test-Deploy-Network-Solution
  • 15-ipam-weave
  • 16-Practice-Test-Networking-weave
  • 17-Service-Networking
  • 18-Practice-Test-Service-Networking
  • 19-DNS-in-kubernetes
  • 20-CoreDNS-in-Kubernetes
  • 21-Practice-Test-CoreDNS-in-Kubernetes
  • 22-Ingress
  • 23-Ingress-Annotations-and-rewrite-target
  • 24-Practice-Test-CKA-Ingress-Net-1
  • 25-Practice-Test-CKA-Ingress-Net-2
  • 26-Dowload-Presentation-Deck

• 10-Design-and-Install-Kubernetes-Cluster

  • 01-Designing-a-Kubernetes-Cluster
  • 02-Choosing-Kubernetes-Infrastructure
  • 03-Configure-High-Availability
  • 04-ETCD-in-HA
  • 05-Important-update-k8s-hard-way
  • 06-Download-Presentation-Deck

• 11-Install-Kubernetes-the-kubeadm-way

  • 01-Introduction-to-Deployment-with-kubeadm
  • 02-Resources
  • 03-Provision-VMs-with-Vagrant
  • 04-Demo-Deployment-with-Kubeadm
  • 05-Practice-Test-Deploy-Kubernetes-Cluster-using-Kubeadm
  • BONUS 1 - Various kubeadm cluster configurations - Including for Apple M1/M2!
  • BONUS 2 - Installing Managed Clusters in Cloud Playgrounds

• 12-Troubleshooting

  • 01-Troubelshooting-Section-Introduction
  • 02-Application-Failure
  • 03-Solution-Application-Failure
  • 04-Control-Plane-Failure
  • 05-Practice-Test-Control-Plane-Failure
  • 06-Solution-Control-Plane-Failure
  • 07-Worker-Node-Failure
  • 08-Practice-Test-Worker-Node-Failure
  • 09-Solution-Worker-Node-Failure
  • 10-Practice-Test-Troubleshoot-Network

• 13-Other-Topics

  • 01-Labs-JSON-PATH
  • 02-Pre-Requisites-JSON-PATH
  • 03-Advance-Kubectl-Commands
  • 04-Practice-Test-Advance-Kubectl-Commands

• 14-Lightning-Labs

  • 01-Lightning-Labs-Introduction
  • 02-Lightning-Lab-1

• 15-Mock-Exams

  • 01-Introduction
  • 02-Mock-Exam-1
  • 03-Mock-Exam-2
  • 04-CKA-MockExam-2-Solution
  • 05-Mock-Exam-3
  • 06-CKA-MockExam-3-Solution

• 16-Ultimate-Mocks

• 17-Tips-and-Tricks

  • 01-Server for testing network policies
  • 02-Client-for-testing-network-things