Kubernetes

CKA Certification Course Certified Kubernetes Administrator

CKA Certification Course Certified Kubernetes Administrator¶

Introduction¶

• Course Introduction
• Certification

Application Lifecycle Management¶

• 2025 Updates Horizontal Pod Autoscaler HPA
• 2025 Updates In place Resize of Pods
• 2025 Updates Introduction to Autoscaling
• 2025 Updates Vertical Pod Autoscaling VPA
• Application Lifecycle Management Section Introduction
• Commands and Arguments in Docker
• Commands and Arguments in Kubernetes
• Configure ConfigMaps in Applications
• Configure Environment Variables in Applications
• Demo Encrypting Secret Data at Rest
• Horizontal Pod Autoscaler HPA 2025 Updates
• In place Resize of Pods 2025 Updates
• Introduction to Autoscaling 2025 Updates
• Multi Container Pods
• Rolling Updates and Rollbacks
• Secrets
• Solution Commands and Arguments Optional
• Solution Env Variables Optional
• Solution Init Containers Optional
• Solution Multi Container Pods Optional
• Solution Rolling update
• Solution Secrets Optional
• Vertical Pod Autoscaling VPA 2025 Updates

Cluster Maintenance¶

• Backup and Restore Methods
• Cluster Maintenance Section Introduction
• Cluster Upgrade Introduction
• Demo Cluster upgrade
• Kubernetes Software Versions
• OS Upgrades
• Solution Backup and Restore
• Solution Backup and Restore 2
• Solution Cluster Upgrade Process
• Solution OS Upgrades optional

Core Concepts¶

• A Quick Reminder
• A note on Docker Deprecation
• Cluster Architecture
• Core Concepts Section Introduction
• Demo Pods with YAML
• Deployments
• Docker vs ContainerD
• ETCD for Beginners
• ETCD in Kubernetes
• Imperative vs Declarative
• Kube API Server
• Kube Controller Manager
• Kube Proxy
• Kube Scheduler
• Kubectl Apply Command
• Kubelet
• Namespaces
• Pods
• Pods with YAML
• Practice Test Introduction
• ReplicaSets
• Services
• Services Cluster IP
• Services Loadbalancer
• Solution Deploymentoptional
• Solution Imperative Commands optional
• Solution Namespaces optional
• Solution Pods optional
• Solution ReplicaSets optional
• Solution Services optional

Design and Install a Kubernetes Cluster¶

• Choosing Kubernetes Infrastructure
• Configure High Availability
• Design a Kubernetes Cluster
• ETCD in HA

Helm Basics 2025 Updates¶

• A quick note about Helm2 vs Helm3
• Customizing chart parameters
• Helm Components
• Helm charts
• Installation and configuration
• Lifecycle management with Helm
• What is Helm
• Working with Helm basics

Install Kubernetes the kubeadm way¶

• Demo Deployment with Kubeadm
• Deploy with Kubeadm Provision VMs with Vagrant
• Introduction to Deployment with kubeadm
• Solution Install a Kubernetes Cluster using kubeadm
• Kustomize Basics 2025 Updates
• Common Transformers
• Components
• Different Types of Patches
• Image Transformers
• InstallationSetup
• Kustomize ApiVersion Kind
• Kustomize Output
• Kustomize Problem Statement idealogy
• Kustomize vs Helm
• Managing Directories
• Managing Directories Demo
• Overlays
• Patches Dictionary
• Patches Intro
• Patches list
• Transformers Demo
• kustomization

Logging Monitoring¶

• Logging and Monitoring Section Introduction
• Managing Application Logs
• Monitor Cluster Components
• Solution Logging Optional
• Solution Monitor Cluster Components

Mock Exams¶

• Mock Exam 1 Step by Step Solutions
• Mock Exam 2 Step by Step Solutions
• Mock Exam 3 Step by Step Solutions
• Page
• Solution CKA Mock Exam 3 Optional
• Whats Next

Networking¶

• 2025 Updates Introduction to Gateway API
• CNI in kubernetes
• CNI weave
• Cluster Networking
• CoreDNS in Kubernetes
• DNS in kubernetes
• Ingress

Introduction to Gateway API 2025 Updates¶

• Page
• Pod Networking
• Prerequisite CNI
• Prerequisite DNS
• Prerequisite Docker Networking
• Prerequisite Network Namespaces
• Prerequisite Switching Routing Gateways CNI in kubernetes
• Service Networking
• Solution Deploy Network Solution optional
• Page
• Solution Explore DNS optional
• Solution Explore Environment optional
• Solution Ingress Networking 1 optional
• Solution Ingress Networking 2 optional
• Solution Networking Weave optional
• Solution Service Networking optional
• ipam weave

Other Topics¶

• Advanced Kubectl Commands

Scheduling¶

• 2025 Updates Admission Controllers
• 2025 Updates Solution Admission Controllers
• 2025 Updates Solution Validating and Mutating Admission Controllers
• 2025 Updates Validating and Mutating Admission Controllers
• Admission Controllers 2025 Updates
• Configuring Scheduler Profiles
• DaemonSets
• Labels and Selectors
• Manual Scheduling
• Multiple Schedulers
• Node Affinity
• Node Selectors
• Priority Classes
• Resource Limits
• Scheduling Section Introduction
• Solution Admission Controllers 2025 Updates
• Solution DaemonSets optional
• Solution Labels and Selectors
• Solution Manual Scheduling optional
• Solution Multiple Scheduler
• Solution Node Affinity Optional
• Solution Resource Limits
• Solution Static Pods Optional
• Solution Taints and Toleration Optional
• Solution Validating and Mutating Admission Controllers 2025 Updates
• Static Pods
• Taints and Tolerations
• Taints and Tolerations vs Node Affinity
• Validating and Mutating Admission Controllers 2025 Updates

Security¶

• 2025 Updates Custom Controllers
• 2025 Updates Custom Resource Definition CRD
• 2025 Updates Operator Framework
• API Groups
• Page
• Authorization
• Certificates API
• Cluster Roles
• Custom Controllers 2025 Updates
• Custom Resource Definition CRD 2025 Updates
• Developing network policies
• Image Security
• KubeConfig
• Kubernetes Security Primitives
• Network Policies
• Operator Framework 2025 Updates
• Pre requisite Security in Docker
• Role Based Access Controls
• Security Contexts
• Security Section Introduction
• Service Accounts
• Solution Certificates API
• Solution Cluster Roles
• Solution Image Security
• Solution KubeConfig
• Solution Network Policies optional
• Solution Role Based Access Controls
• Solution Security Contexts
• Solution Service Accounts
• Solution View Certification Details
• TLS Basics
• TLS Introduction
• TLS in Kubernetes
• TLS in Kubernetes Certificate Creation
• View Certificate Details

Storage¶

• Container Storage Interface
• Introduction to Docker Storage
• Persistent Volume Claims
• Persistent Volumes
• Solution Persistent Volumes and Persistent Volume Claims optional
• Solution Storage Class
• Storage Class
• Storage Section Introduction
• Storage in Docker
• Volume Driver Plugins in Docker
• Volumes

Troubleshooting¶

• Application Failure
• Control Plane Failure
• Solution Application Failure
• Solution Control Plane Failure
• Solutions Worker Node Failure
• Troubleshooting Section Introduction
• Worker Node Failure