CKA Certification Training Overview
This Certified Kubernetes Administrator (CKA) training course teaches attendees how to configure, deploy, administer, and monitor Kubernetes clusters. This class also prepares them to pass the Certified Kubernetes Administrator CKA exam.
Note: This CKA course includes access to on-demand labs, exam vouchers, and a K8s sandbox for each attendee.
Location and Pricing
Accelebrate offers instructor-led enterprise training for groups of 3 or more online or at your site. Most Accelebrate classes can be flexibly scheduled for your group, including delivery in half-day segments across a week or set of weeks. To receive a customized proposal and price quote for private corporate training on-site or online, please contact us.
In addition, some courses are available as live, instructor-led training from one of our partners.
Objectives
- Create a Kubernetes cluster, including installing the necessary components, configuring the cluster, and adding nodes
- Deploy applications to Kubernetes by creating pods, services, and storage
- Manage Kubernetes resources with scaling, autoscaling, and updating applications
- Secure Kubernetes by configuring authentication, authorization, and admission control.
- Troubleshoot Kubernetes by monitoring logs, diagnosing application failures, and troubleshooting network access
Prerequisites
All attendees must:
- Have Linux administration skills and be comfortable using the command line
- Be able to edit files using a command-line text editor
- Have experience with containers and networking
Outline
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Introduction
Kubernetes Concepts
- Kubernetes Basics
- Container Orchestration
- Kubernetes Architecture
- Kubernetes Concepts
- Cluster and Namespace
- Control Plane
- Nodes
- Pods
- Storage
- Services
- Objects
- Object Specifications
- Labels & Selectors
- Tools (kubeadm, kubectl)
- Essential K8S commands
- Essential Linux commands
Installation and Configuration
- Installing kubeadm
- Obtaining Nodes
- Installing Kubelet
- Installing kubectl
- Initializing the control plane
- Setup kubeconfig file
- Joining nodes to the cluster
- Verifying the cluster
Cluster Administration
- Cluster Components
- Installation and Setup
- Security
- Resource management
- Scheduling
- Monitoring
- Logging
- Scaling
- Autoscaling
- High Availability
- Upgrading the cluster version
- Backup and restore the etcd store
Workloads
- Application Images
- Deploying Pods
- Deploying Workloads
- Self-healing applications
- Deployments
- Deployment States
- Replica Sets
- Daemon Sets
- Scaling a workload
- Autoscaling a workload
- Deleting workloads
- Updating a workload image
- Update strategies
- Rolling updates
- Rolling back an update
Scheduling
- Pod Scheduling
- Resource usage basics
- Setting Resource Limits
- Resource Requests
- Resource Quotas
- Optimizing Resource Usage
- Node Affinity
- Pod Affinity
- Taints
- Tolerations
Services
- Available Service Types
- ClusterIP Service
- NodePort Service
- LoadBalancer Service
- Creating services
- Accessing workloads through services
Networking
- K8s Networking Overview
- Ingress Controller
- Ingress Resources
- Resource Discovery
- CoreDNS
- Configuring CoreDNS
- Port forwarding
Storage
- Storage Classes
- EmptyDir
- HostPath
- Persistent volumes
- Persistent volume claims
- NFS share volumes
- Cloud storage volumes
- Access Modes
- Reclaim Policies
- Configuring persistent storage for workloads
- Secrets
- Config Maps
Security
- Securing the API
- Securing ETCD
- Securing Worker nodes
- Securing images
- Authentication
- Authorization
- Admission Controller
- Securing cluster access
- Kubectl config
- RBAC Role-Based Access Control
- Pod policies
- Network Policies
Troubleshooting
- Logs and log access
- Standard output and error logs
- Workload monitoring
- Application failure
- Network access troubleshooting
- Troubleshooting cluster components
Conclusion
Training Materials
All attendees receive comprehensive courseware.
Software Requirements
- A computer with access to a Kubernetes cluster, local or remote, version 1.20 or higher (The recommended setup is to install Minikube and kubectl)
- A machine with Vagrant and VirtualBox installed
