Certified Kubernetes Administrator (CKA) Training

Curriculum:

Module 1: Core Concepts

• Overview of Container Orchestration
• Introduction to Kubernetes
• Understanding Kubernetes Architecture

Module 2: Installation, Configuration & Validation

• Design a Kubernetes Cluster

Labs:

• Installation of Kubernetes 1-Master and 2-Nodes Cluster
• Choose a Network Solution and Configure
• Verify Installation with Kubectl command

Module 3: Creating Kubernetes Resources

• Understanding Pods, Labels & Selectors
• Understanding Replication Controller & Replica Set
• Understanding Services – ClusterIP, NodePort & LoadBalancer
• Understanding Daemon Sets

Labs:

• Deploying Applications as a Pod
• Managing Labels & Selector
• Deploying Replication Controller & Replica Set
• Creating & Managing Service

Module 4: Scheduling

• Manual Scheduling of Pods
• Taint and Tolerations

Labs:

• Using Manual Scheduling or Taints and Tolerations

Module 5: Application Lifecycle Management

• Overview of Deployment
• Deployment Strategies – Blue/Green & Canary

Labs:

• Deploying Applications as Deployment
• Implementing Deployment Strategies on Deployments

Module 6: Environment Variables

• Plain Key
• Config Map
• Secret

Labs:

• Using Plain Keys, Config Map & Generic Secret as Environment Variables
• Mount Environment Variable as Volumes

Module 7: Storage

• Understanding Volume Management in Kubernetes
• Types of Volumes Provisioning
• Persistent Volumes
• Persistent Volume Claim

Labs:

• Using PV & PVC to attach Persistent Volume to a Pod as HostPath
• Understanding Storage Class

Module 8: Security

• Understanding Kubernetes Authentication
• Understanding Role, ClusterRole, RoleBinding & ClusterRoleBinding
• Understanding Security Context

Labs:

• Creating and Managing Users in Kubernetes
• Creating Service Accounts
• Managing Roles and Role Binding
• Managing Cluster Role and Cluster Role Binding
• Adding Security Context to Pod to enable ping

Module 9: Cluster Maintenance

• Understanding OS Upgrade
• Static Pod
• Cron Job

Labs:

• Upgrade a Kubernetes Cluster Version
• Deploying Pods as Static Pod
• ETCD Backup
• Deploying Pod as Cron Job

Module 10: Logging and Monitoring

• Understand how to Monitor Application and Cluster Components

Labs:

• Understand how to Read Application & Cluster Component Logs
• Deploying Prometheus & Grafana to Monitor Kubernetes Cluster

Module 11: Networking in Kubernetes

• Understand Basics of Kubernetes Networking
• Understand CNI Overview
• Understand Pod Networking Concepts
• CoreDNS Overview of Kubernetes
• Understanding Ingress
• Understanding Namespace & Use-Cases
• Metal Load Balancer

Labs:

• Configure and Manage Ingress Rule
• Creating Namespace & Deploying Kubernetes Resources in Different Namespaces
• Deploying Metal Load Balancer

Module 12: Troubleshooting

• Ways to Troubleshoot ETCD Failure
• Ways to Troubleshoot Kubelet Failure
• Ways to Troubleshoot Container Runtime Failure
• Ways to Troubleshoot Scheduler Failure