Who Should Attend

• Systems Administrators (SA), Site Reliability Engineers (SRE) and Team Leaders who plan to work with Kubernetes at any level or tier of involvement

• Any company or individual who wants to achieve CKA Certification

• Any SA/SRE/Leader expanding their Kubernetes Learning

• Any company or individual who wants to advance their knowledge of administrating and maintaining microservice architectures

What You’ll Learn

• Prepare for and successfully pass the Certified Kubernetes Administrator (CKA) exam

• Build and manage production-grade Kubernetes clusters using kubeadm and automation tools such as Ansible

• Configure and manage control plane and worker nodes, including network plugin setup and node joins

• Perform essential cluster administration tasks such as ETCD backup and restore, cluster upgrades, and version management

• Monitor and optimize cluster performance using resource metrics, quotas, and AdmissionControllers

• Manage Kubernetes users, contexts, and Role-Based Access Control (RBAC) to enforce secure access control

• Configure application environment data using ConfigMaps, Secrets, and ephemeral storage

• Design advanced Pod configurations including init containers, sidecars, and node scheduling with taints and tolerations

• Implement logging, labeling, and annotation strategies for improved observability and metadata management

• Deploy and maintain workloads using ReplicaSets, DaemonSets, and Deployments with rollout, rollback, and scaling operations

• Configure and manage persistent storage using PersistentVolumes, PersistentVolumeClaims, and StorageClasses with CSI drivers

• Extend Kubernetes functionality through Custom Resource Definitions (CRDs)

• Package and manage complex deployments using Helm and Kustomize

• Configure Services, NetworkPolicies, and Gateway APIs to control and route network traffic securely

• Manage and troubleshoot CoreDNS and cluster-level DNS functionality

• Diagnose and resolve networking, scheduling, and resource issues using kubectl and cluster-level troubleshooting tools

Prerequisites

• Kubernetes Fundementals

• Linux for Absolute Beginners

• Any other Formal Linux Training

Welcome to Alta3 Research Labs!

• ?? Exploring Your Lab Environment
• ?? Meet VIRGIL: Your AI Lab Coach
• ?? Register for Polls

Required Tools

• ?? Vim: A Modal Text Editor
• ?? Efficient CLI Usage with Tmux

Becoming a Certified Kubernetes Administrator

• ?? The CKA Exam

Cluster Building with Kubeadm

• ?? Kubeadm Prerequisites
• ?? Kubeadm Prerequisites
• ?? Configure Network Plugin Requirements
• ?? Configure Network Plugin Requirements
• ?? Kubeadm Basic Cluster
• ?? Installing Kubeadm
• ?? Join Node to Cluster
• ?? Join Node to Cluster

Cluster Administration

• ?? ETCD Snapshot and Restore
• ?? ETCD Snapshot and Restore
• ?? Kubeadm Cluster Upgrade
• ?? Kubeadm cluster upgrade
• ???? Purge Kubeadm
• ?? Purge Kubeadm
• ?? Kubernetes the Alta3 Way
• ?? Deploy Kubernetes using Ansible

Containers

• ?? Container Essentials
• ?? Creating a Docker Image

Pod Basics

• ?? Manifests for Pods
• ?? Create and Configure Basic Pods
• ?? CKA Practice - Pod Basics

Resource Management

• ?? Kubectl Top and Application Monitoring
• ?? Limits, Requests, and Namespace ResourceQuotas
• ?? Resource Requests and Limits
• ?? CKA Practice - Resource Requirements
• ?? Namespace Resource Quota
• ?? Admission Controller
• ?? Create a LimitRange AdmissionController

User Administration

• ?? Contexts
• ?? Contexts
• ?? Role Based Access Control
• ?? Role Based Access Control
• ?? RBAC Distributing Access

Ephemeral Storage

• ?? ConfigMaps and Volume Mounting
• ?? Persistent Configuration with ConfigMaps
• ?? CKA Practice - ConfigMaps
• ?? Secrets
• ?? Create and Consume Secrets
• ?? CKA Practice - Secrets

Advanced Pod Design

• ?? Multi-Container Pods
• ?? Creating Ephemeral Storage For Fluentd Logging Sidecar
• ?? Init Containers
• ?? Understand the Init Container Multi-Container Pod Design Pattern
• ?? Taints, Tolerations, and Pod Affinity
• ?? Tainted Nodes and Tolerations

Logging

• ?? Logging with kubectl log
• ?? Utilize Container Logs
• ?? Advanced Logging Techniques

Labels

• ?? Labels
• ?? Labels and Selectors
• ?? Annotations
• ?? Insert an Annotation

Replica and Daemon Sets

• ?? ReplicaSets
• ?? Create and Configure a ReplicaSet
• ?? DaemonSets

Deployments

• ?? ReplicaSets
• ?? DaemonSets
• ?? Deployments - Purpose and Advantages
• ?? Create and Configure a Deployment
• ?? CKA Practice - Deployments
• ?? Deployments Rollout
• ?? Performing Rolling Updates and Rollbacks
• ?? CKA Practice - Rollbacks
• ?? Blue/Green and Canary Deployment Strategies
• ?? Advanced Deployment Strategies
• ?? Deployments - Horizontal Scaling
• ?? Mastery Challenge - Horizontal Pod Autoscaler

Persistent Storage

• ?? Persistent Volumes, Claims, and StorageClasses
• ?? PVC, PV, and StorageClass config
• ?? Persistent Storage with NFS

Extending Kubernetes

• ?? Custom Resource Definitions
• ?? Introduction to CRDs

Helm and Kustomize

• ?? Helm
• ?? Making Charts and Templates with Helm
• ?? Deploy Existing Packages via Helm
• ?? Using Kustomize

Services & Networking

• ?? NetworkPolicy
• ?? Deploy a NetworkPolicy
• ?? Namespace Network Policy
• ?? Services - LoadBalancer, NodePort, and ClusterIP
• ?? Access to applications via services
• ?? Networking Plugins
• ?? Gateway API Routing
• ?? Network Troubleshooting

DNS

• ?? Hostnames and FQDNs
• ?? Hostnames and FQDNs
• ?? CoreDNS
• ?? Install CoreDNS
• ?? Configure CoreDNS
• ?? Configure CoreDNS
• ?? Revert CoreDNS to KubeDNS

Continuing Education

• ?? Continuing Education
• ?? Curriculum Path: ContainerOrchestration

Optional: Further Study

• ?? Configure Rsyslog TLS (SSL)
• ?? K8s/OVS Integration
• ?? Installing Open vSwitch on a Kubernetes Cluster with Calico CNI