20 articles
What is a container registry, why do you need one, and which one should you use? Docker Hub vs ECR vs GCR vs GitHub Container Registry — simply explained.
Step-by-step guide to building a real multi-node Kubernetes cluster using kubeadm — no managed services, no shortcuts.
Helm solves one of the most painful parts of Kubernetes — managing all those YAML files. Here's what it is, how it works, and why you need it.
These resume mistakes are why DevOps engineers with real skills don't get callbacks. Fix them and watch your interview rate improve.
Observability explained in plain English — what it means, how it's different from monitoring, the three pillars (metrics, logs, traces), and why every DevOps engineer needs to understand it.
GitOps explained in plain English — what it is, how it's different from traditional CI/CD, and how tools like ArgoCD and Flux work. No jargon.
No experience, no referrals — here's the exact roadmap freshers are using to land their first DevOps role in 2026. Skills, projects, and what actually gets you hired.
Infrastructure as Code (IaC) explained in plain English — what it is, why every DevOps team uses it, and how to get started with Terraform and Pulumi in 2026.
Service mesh sounds complicated but the concept is simple. Here's what it actually does, why teams use it, and whether you need one — explained without the buzzwords.
Step-by-step guide to migrating from Ingress-NGINX to Kubernetes Gateway API. Includes YAML examples, implementation choices, testing strategy, and cutover plan.
Step-by-step guide to setting up Kubernetes VPA with In-Place Pod Resize. Auto-scale CPU and memory without pod restarts. Full tutorial with YAML examples.
ImagePullBackOff is one of the most common Kubernetes errors. This guide covers every root cause — wrong image names, missing auth, network issues, rate limits — with step-by-step debugging and fixes.
A practical step-by-step guide to setting up GitLab CI/CD pipelines from zero — covering runners, pipeline stages, Docker builds, deployment to Kubernetes, and best practices.
HashiCorp Vault is the industry standard for secrets management. This step-by-step guide shows you how to install Vault, configure it, and integrate it with Kubernetes.
Learn Ansible from zero — install it, configure SSH, write your first playbook, use variables and loops, and automate real server tasks step by step.
The Kubernetes Ingress API is being replaced by the Gateway API. Here's a complete step-by-step guide to setting it up with Nginx Gateway Fabric and migrating from Ingress.
Master Docker Compose in 2026. Learn how to write docker-compose.yml files, manage volumes, networks, environment variables, health checks, and run multi-container apps the right way.
The complete Linux command reference for DevOps engineers in 2026. Master file management, process control, networking, system monitoring, SSH, permissions, and shell scripting with real-world examples.
What is Docker, why engineers use it, and how to get started with containers from scratch. A practical, no-fluff guide.
Understand every component of Kubernetes — Control Plane, Worker Nodes, Pods, Services, and Deployments — with clear diagrams and practical examples.