Kubernetes

Advanced Kubectl Commands: jq, Plugins & Context Management

Master advanced kubectl techniques including JSON output with jq custom plugins context switching and debugging with ephemeral containers

Pod Lifecycle: Init Containers, Probes & Termination

Master the Kubernetes pod lifecycle including init containers for setup tasks startup readiness and liveness probes and graceful termination with preStop hooks

Kubernetes Deployment Strategies: Rolling, Blue-Green & Canary

Explore Kubernetes deployment strategies including rolling updates blue-green deployments canary releases and A B testing with real configuration examples

NGINX Ingress Controller: Configuration, TLS & Annotations

Deep dive into NGINX Ingress Controller including custom annotations configuration snippets TLS certificate management canary releases and custom error pages

Helm Charts: Package Management for Kubernetes

Learn Helm chart development including creating charts from scratch template functions dependency management hooks and publishing to repositories

Horizontal Pod Autoscaler (HPA): Metrics & Custom Metrics

Learn Kubernetes Horizontal Pod Autoscaler configuration with CPU memory custom metrics and external metrics using Prometheus adapters and custom API servers

Resource Quotas, Limit Ranges & Priority Classes

Manage Kubernetes resource allocation with ResourceQuotas for namespace limits LimitRanges for pod defaults and PriorityClasses for scheduling guarantees

Service Mesh with Istio: Traffic Management & Security

Learn Istio service mesh for Kubernetes including traffic routing observability mutual TLS authorization policies and integrating applications without code changes

Kubernetes Logging: EFK Stack (Elasticsearch, Fluentd, Kibana)

Deploy and configure the EFK stack for Kubernetes logging including Fluentd as a DaemonSet Elasticsearch for storage and Kibana for visualization and analysis

Kubernetes Backup & Disaster Recovery with Velero

Implement Kubernetes backup and disaster recovery using Velero including scheduled backups of cluster resources and persistent volumes and multi-cloud restore strategies

Kubernetes Networking: CNI Plugins, Calico & Cilium

Explore Kubernetes networking with CNI plugins including Calico for network policies Cilium with eBPF for advanced observability and choosing the right plugin

Kubernetes Operators & Custom Resource Definitions (CRDs)

Build Kubernetes operators using Custom Resource Definitions CRDs and the Operator SDK including controllers reconciliation loops and deploying on clusters

Kubernetes Jobs, CronJobs & Batch Processing

Learn Kubernetes Jobs and CronJobs for batch processing including parallel jobs work queues indexed jobs and job patterns for data processing pipelines

Multi-Cluster Kubernetes: Federation & Cluster API

Manage multiple Kubernetes clusters with Cluster API for declarative provisioning and federation techniques for application deployment across clusters

Node Tuning & Performance Optimization

Optimize Kubernetes node performance with CPU manager policies huge pages topology manager node-level tuning and kernel parameters for latency-sensitive workloads

Kubernetes Troubleshooting: Debugging Pods, Nodes & Networking

Learn Kubernetes troubleshooting techniques for debugging CrashLoopBackOff pods node failures DNS issues network connectivity problems and etcd cluster health

Kubernetes Pod Design Patterns: Sidecar, Ambassador & Adapter

Learn Kubernetes pod design patterns including sidecar ambassador and adapter containers for extending and managing application behavior without code changes

ConfigMaps and Secrets: Managing Configuration in Kubernetes

Learn how to manage application configuration in Kubernetes using ConfigMaps for non-sensitive data and Secrets for sensitive credentials with proper security practices

Horizontal Pod Autoscaling: Metrics, Policies & Custom Autoscalers

Master Kubernetes horizontal pod autoscaling with resource metrics custom application metrics scaling policies and vertical pod autoscaler integration

Building Helm Charts: From Templates to Production Deployments

Learn to build production-grade Helm charts with Go templates dependency management lifecycle hooks testing and CI/CD integration for Kubernetes deployments

Kubernetes Ingress Controllers: NGINX, Traefik & Advanced Routing

Master Kubernetes ingress controllers with NGINX and Traefik for HTTP routing TLS termination canary deployments rate limiting and annotation-based configuration

Persistent Storage in Kubernetes: PVs, PVCs & StorageClasses

Learn Kubernetes persistent storage with PersistentVolumes PersistentVolumeClaims StorageClasses dynamic provisioning and stateful application deployment patterns

RBAC and Security in Kubernetes: Roles, Bindings & Best Practices

Master Kubernetes RBAC with Roles ClusterRoles RoleBindings and ClusterRoleBindings plus security best practices for service accounts pod security and audit logging

Service Mesh: Istio vs Linkerd for Traffic Management & Security

Compare Istio and Linkerd service meshes for Kubernetes with traffic management mutual TLS observability and zero-trust security patterns for microservices

Building Custom Kubernetes Controllers in Go: From CRD to Controller

Build custom Kubernetes controllers in Go using client-go and controller-runtime with Custom Resource Definitions reconciler loops event handling and production deployment

Multi-Cluster Kubernetes: Management, Federation & Service Mesh

Manage multiple Kubernetes clusters with federation Cluster API service mesh interconnect and multicloud strategies for high availability disaster recovery and latency optimization

Kubernetes Architecture: Master Node and Worker Node Components Explained

Learn Kubernetes architecture: control plane (kube-apiserver, etcd, scheduler, controller-manager) and worker nodes (kubelet, kube-proxy) in clusters.

Kubernetes Objects: Pods, Deployments, Services, and ConfigMaps Explained

Learn essential Kubernetes objects: Pods, Deployments, Services, ConfigMaps, Secrets, and Namespaces with practical YAML examples and real-world use cases.

Kubectl Commands: The Essential Kubernetes CLI Reference for Beginners

Learn kubectl commands for managing Kubernetes clusters: get, describe, logs, exec, apply, delete, port-forward, and rollout with practical daily operations.

Kubernetes Namespaces: Organizing Environments and Multi-Tenant Isolation

Learn Kubernetes namespaces for multi-environment isolation, resource quotas, and access control. Understand system namespaces and how to create custom ones.

Kubernetes Setup: Installing Minikube, Kind, and kubeadm for Local Clusters

Learn to set up a local Kubernetes cluster using Minikube, Kind (Kubernetes in Docker), and kubeadm. Compare each tool and choose the best for development.

Kubernetes API: Understanding API Groups, Resources, and Versioning

Learn how the Kubernetes API works: API groups (core, apps, networking), resource types, versioning strategies, and API server communication in clusters.

Kubernetes YAML: Writing Declarative Manifests with apiVersion, kind, and spec

Learn to write Kubernetes YAML manifests from scratch: apiVersion, kind, metadata, spec structure, and best practices for multi-resource configuration files.

Pod Lifecycle: Phases, Container States, Probes, and Restart Policies

Learn the Kubernetes Pod lifecycle from Pending to Running to Succeeded or Failed. Understand container states, probes, and restart policies with examples.

Kubernetes Deployments: Rollout Strategies, Scaling, and Rollback Guide

Learn Kubernetes Deployments for managing ReplicaSets with rolling updates, recreate strategies, blue-green deployments, horizontal scaling, and rollback.

Kubernetes StatefulSets: Stateful Applications with Stable Network Identities

Learn StatefulSets for deploying stateful apps like databases. Understand stable pod identities, ordered startup, persistent storage per pod, and headless.

Kubernetes DaemonSets: Running Pods on Every Node for Monitoring and Logging

Learn DaemonSets for deploying node-level agents like log collectors, monitoring daemons, and network proxies. Understand scheduling and node selectors.

Kubernetes Jobs and CronJobs: Batch Processing and Scheduled Tasks

Learn Kubernetes Jobs for batch processing and CronJobs for scheduled tasks. Understand parallelism, backoff limits, ttlSecondsAfterFinished, and concurrency.

Horizontal Pod Autoscaler: Metrics-Based Scaling in Kubernetes

Learn Horizontal Pod Autoscaling (HPA) in Kubernetes. Configure CPU, memory, and custom metrics-based autoscaling with target utilization and scaling policies.

Kubernetes Pod Design Patterns: Sidecar, Ambassador, and Adapter Containers

Learn multi-container Pod design patterns in Kubernetes: sidecar for logging, ambassador for service brokering, and adapter for normalizing container outputs.

Kubernetes Services: ClusterIP, NodePort, LoadBalancer, and ExternalName

Learn Kubernetes Service types: ClusterIP for internal traffic, NodePort for external access, LoadBalancer for cloud LBs, and ExternalName for DNS aliasing.

Kubernetes Ingress: HTTP Routing, TLS Termination, and Path-Based Rules

Learn Kubernetes Ingress for HTTP and HTTPS routing to Services. Configure path-based and host-based rules, TLS termination, and ingress controller annotations.

Kubernetes DNS and Service Discovery: How CoreDNS Resolves Service Names

Learn how Kubernetes DNS works with CoreDNS. Understand service discovery via DNS names, pod DNS records, custom DNS policies, and debugging resolution issues.

Kubernetes Network Policies: Pod-Level Firewall Rules and Traffic Isolation

Learn Kubernetes Network Policies for pod-level traffic control. Define ingress and egress rules using pod selectors, namespace selectors, and IP blocks.

Kubernetes CNI Plugins: Calico, Flannel, Weave, and Cilium Compared

Learn Kubernetes CNI plugins: compare Calico, Flannel, Weave, and Cilium for pod networking, network policies, encryption, and production performance.

Kubernetes Service Mesh: Istio, Linkerd, and Traffic Management Patterns

Learn service mesh patterns in Kubernetes with Istio and Linkerd. Understand mTLS, traffic splitting, circuit breaking, observability, and sidecar proxy.

Kubernetes Ingress Controllers: NGINX, Traefik, and AWS ALB Setup Guide

Learn to deploy and configure Ingress Controllers in Kubernetes. Compare NGINX Ingress, Traefik, and AWS ALB Ingress Controller with setup and routing examples.

Kubernetes Persistent Volumes: Storage Classes, PVCs, and Dynamic Provisioning

Learn Kubernetes storage with PersistentVolumes, PersistentVolumeClaims, StorageClasses, and dynamic provisioning. Understand access modes, reclaim policies.

Kubernetes Storage Classes: Dynamic Provisioning with AWS EBS, GCE PD, and NFS

Learn Kubernetes StorageClasses for dynamic PV provisioning using cloud providers (AWS EBS, GCE PD, Azure Disk) and on-premises NFS with reclaim policies.

ConfigMaps in Kubernetes: Environment Variables, Volumes, and Configuration Data

Learn ConfigMaps in Kubernetes for managing non-sensitive configuration. Inject configs as environment variables, volume mounts, and command-line arguments.

Secrets in Kubernetes: Managing Sensitive Data with Encryption and RBAC

Learn Kubernetes Secrets for passwords, tokens, and keys. Understand Opaque secrets, KMS encryption, etcd encryption, and accessing secrets via volumes or env.

ConfigMaps and Secrets: Best Practices for Application Configuration Management

Learn best practices for ConfigMaps and Secrets in Kubernetes: immutable ConfigMaps, External Secrets Operator, sealed secrets, KMS encryption, and mounting.

Kubernetes Volume Claims: Access Modes, Resizing, Snapshots, and Cloning

Learn Kubernetes volume management: access modes (RWO, RWX, ROX), expanding PVCs, volume snapshots for backup, CSI cloning, and multi-pod shared volumes.

Kubernetes Backup and Disaster Recovery: Velero, etcd Backup, and Restore Guide

Learn Kubernetes backup and disaster recovery using Velero for PV snapshots, etcd backup and restore, cluster state export, and cross-cluster migration.

Kubernetes RBAC: Roles, ClusterRoles, Bindings, and ServiceAccount Permissions

Learn Kubernetes RBAC for fine-grained access control. Create Roles and ClusterRoles, attach via RoleBindings, manage ServiceAccounts, and audit with kubectl.

Pod Security Standards: Privileged, Baseline, and Restricted Policies in Kubernetes

Learn Kubernetes Pod Security Standards (PSS) and Pod Security Admission (PSA). Understand Privileged, Baseline, and Restricted profiles for production.

Kubernetes Admission Controllers: Validating and Mutating Webhook Configuration

Learn Kubernetes admission controllers and dynamic webhooks. Configure ValidatingAdmissionWebhooks and MutatingAdmissionWebhooks for policy enforcement.

Kubernetes Secrets Management: External Secrets, Vault, and Sealed Secrets

Learn advanced secrets management in Kubernetes using HashiCorp Vault, External Secrets Operator, and Sealed Secrets. Sync secrets from cloud stores and.

Kubernetes ServiceAccounts: Pod Identity, Token Management, and IAM Integration

Learn Kubernetes ServiceAccounts for pod-level identity. Configure automounted tokens, image pull secrets, OIDC integration, and cloud IAM roles for pods.

Kubernetes Image Security: ImagePullSecrets, Scanning, Sigstore, and Signing

Learn container image security in Kubernetes using ImagePullSecrets for private registries, vulnerability scanning with Trivy, and image signing with Cosign.

Kubernetes Network Security: mTLS, Encryption at Rest, and Pod-to-Pod Isolation

Learn Kubernetes network security with mTLS via service mesh, encryption at rest for etcd, network policies for pod isolation, and runtime security with Falco.

Kubernetes Monitoring with Prometheus: Metrics Collection, Alerting, and Dashboards

Learn Kubernetes monitoring with Prometheus and Grafana: deploy the Prometheus stack, configure ServiceMonitors, create Grafana dashboards, and set up.

Kubernetes Logging: EFK Stack (Elasticsearch, Fluentd, Kibana) Deployment Guide

Learn Kubernetes centralized logging with the EFK stack: deploy Elasticsearch for log storage, Fluentd as a daemonset aggregator, and Kibana for visualization.

Kubernetes Metrics Server: Resource Metrics Collection for HPA and kubectl top

Learn Kubernetes Metrics Server for collecting resource metrics from kubelets. Enable kubectl top, Horizontal Pod Autoscaler, and vertical scaling with metrics.

Kubernetes Alerting with Alertmanager: Routing, Inhibition, and Silencing Rules

Learn Kubernetes alerting with Prometheus Alertmanager. Configure alert routing to Slack, PagerDuty, and email, with inhibition rules and grouping for reduced.

Kubernetes Dashboard: Web UI Deployment, RBAC Integration, and Troubleshooting

Learn to deploy and secure the Kubernetes Dashboard. Configure RBAC access for read-only and admin users, expose via ingress with HTTPS, and troubleshoot.

Kubernetes Distributed Tracing: Jaeger, OpenTelemetry, and Service Mesh Tracing

Learn distributed tracing in Kubernetes using Jaeger and OpenTelemetry. Collect traces from microservices, analyze request latency, and integrate with Istio.

Kubernetes Cost Optimization: Resource Rightsizing, Spot Instances, and Kubecost

Learn Kubernetes cost optimization with Kubecost and Karpenter. Analyze cluster spend, rightsize resource requests, use spot instances, and control namespace.

Helm Charts: Package Manager for Kubernetes Deployments and Releases

Learn Helm as the Kubernetes package manager. Create charts with templates, manage dependencies, use built-in objects and flow control, and implement lifecycle.

Kustomize: Native Kubernetes Configuration Customization Without Templates

Learn Kustomize for Kubernetes configuration management without templating. Use overlays, patches, generators, and transformers across dev and production.

Argo CD: GitOps Continuous Delivery for Kubernetes Deployments

Learn Argo CD for GitOps-based Kubernetes deployments. Set up application sync policies, automated drift detection, multi-cluster management, and SSO concepts.

GitHub Actions for Kubernetes: CI/CD Pipelines with kubeconfig and Helm

Learn CI/CD for Kubernetes using GitHub Actions. Build container images, push to registries, deploy with Helm or kubectl, and run tests in ephemeral clusters.

GitOps Workflow: Declarative Kubernetes Deployments with Pull-Based Delivery

Learn GitOps principles for Kubernetes: declarative configs in Git, automated sync agents, pull-based delivery, environment promotion, and secrets management.

Jenkins on Kubernetes: Dynamic Agents, Pipeline-as-Code, and Plugin Management

Learn Jenkins integration with Kubernetes: run dynamic Jenkins agents as pods, configure Kubernetes-native pipelines, shared libraries, and manage secrets for.

Canary Deployments on Kubernetes: Flagger, Istio, and Traffic Mirroring

Learn canary deployments on Kubernetes using Flagger and Istio. Gradually shift traffic, analyze Prometheus metrics, and auto-promote or rollback based on SLIs.

CKA Certification: Complete Study Guide for Certified Kubernetes Administrator

Learn to pass the Certified Kubernetes Administrator (CKA) exam. Master cluster architecture, installation, networking, storage, and troubleshooting with.

CKAD Certification: Complete Study Guide for Certified Kubernetes App Developer

Learn to pass the Certified Kubernetes Application Developer (CKAD) exam. Master Pod design, deployments, services, configuration, and observability under time.

CKS Certification: Complete Study Guide for Certified Kubernetes Security Specialist

Learn to pass the Certified Kubernetes Security Specialist (CKS) exam. Master cluster hardening, supply chain security, runtime security, and network policies.

Kubernetes Interview Questions: 50+ Questions for CKA and DevOps Engineer Roles

Learn the most common Kubernetes interview questions for DevOps and platform engineering roles. Cover architecture, networking, storage, security, and.

Kubernetes Career Path: Skills, Certifications, and Jobs for Platform Engineers

Learn the Kubernetes career path from beginner to platform engineer. Explore roles, skills roadmap, certification strategy (CKA, CKAD, CKS), and salary.

Kubernetes Projects: Build Production-Ready Applications with Microservices

Learn Kubernetes by building real-world projects: deploy microservices with Helm, configure ingress with TLS, set up monitoring with Prometheus, and implement.