DevOps Tutorials
Master DevOps practices including CI/CD pipelines, automation, infrastructure as code, monitoring, and site reliability engineering.
The Complete DevOps Learning Roadmap — From Zero to SRE
A structured 12-month DevOps learning plan covering Linux, Git, CI/CD, containers, Kubernetes, IaC, cloud, monitoring, security, and SRE — with certification paths, career tracks, and references to every topic in this series.
Read article →Top 50 DevOps Interview Questions — From Junior to Senior
50 DevOps interview questions organized by experience level — Junior, Mid-Level, and Senior — with concise, practical answers covering CI/CD, containers, Kubernetes, IaC, monitoring, security, and SRE.
Read article →MLOps and AIOps — DevOps for Machine Learning
Learn how MLOps applies DevOps principles to the machine learning lifecycle, from model training to production monitoring, and how AIOps uses AI to improve operations.
Read article →Multi-Cloud DevOps — Terraform, K8s, and Cross-Cloud CI/CD
Build a practical multi-cloud strategy using Terraform as a unified IaC layer, Kubernetes as a portable runtime, and GitHub Actions for cross-cloud CI/CD pipelines.
Read article →DevOps Metrics That Matter — DORA, Lead Time, and Change Failure Rate
Master the DORA metrics framework, learn how to measure deployment frequency, lead time, change failure rate, and MTTR, and build dashboards that drive real improvement.
Read article →DevOps Maturity Model — Where Is Your Organization?
Assess your organization's DevOps maturity across culture, automation, measurement, and sharing using a practical 5-level model with actionable roadmaps for improvement.
Read article →Software Supply Chain Security — SBOM, Sigstore, and SLSA
Learn how to secure your software supply chain with SBOM generation, container image signing using Sigstore/Cosign, and the SLSA framework for build integrity.
Read article →API Gateways — Kong, Traefik, and AWS API Gateway Compared
Compare API gateways including Kong, Traefik, and AWS API Gateway. Learn about rate limiting, authentication, circuit breaking, and API versioning strategies.
Read article →Infrastructure Testing — Terratest, InSpec, and ServerSpec
Learn how to test your infrastructure code with Terratest for end-to-end testing, InSpec for compliance validation, and ServerSpec for server configuration verification.
Read article →Deployment Strategies — Blue-Green, Canary, Rolling, and Feature Flags
Master deployment strategies including rolling updates, blue-green, canary, and feature flags with practical Kubernetes and Argo Rollouts examples.
Read article →Observability vs Monitoring — Distributed Tracing with Jaeger and OpenTelemetry
Understand the difference between monitoring and observability, the three pillars of observability, and how to implement distributed tracing with OpenTelemetry and Jaeger.
Read article →DevSecOps — Shift Security Left Without Slowing Down
Learn how to integrate security into every stage of your CI/CD pipeline with SAST, DAST, SCA, container scanning, and secret detection tools.
Read article →Chaos Engineering — Break Your System Before It Breaks You
Learn chaos engineering principles, tools like Chaos Monkey, Litmus Chaos, and Gremlin, and how to design experiments that make your systems resilient.
Read article →Platform Engineering — Internal Developer Platforms Explained
Learn what platform engineering is, how it differs from DevOps and SRE, and how to build an Internal Developer Platform with golden paths and self-service infrastructure.
Read article →Secrets Management — HashiCorp Vault, SOPS, and Sealed Secrets
Learn how to manage secrets securely in DevOps workflows using HashiCorp Vault, Mozilla SOPS, and Kubernetes Sealed Secrets — stop hardcoding credentials.
Read article →Incident Management — On-Call, Runbooks, and Blameless Postmortems
Build an effective incident management process with on-call rotations, runbooks, severity levels, and blameless postmortems that actually prevent recurrence.
Read article →SRE Principles — SLOs, Error Budgets, and Toil Reduction
Understand Site Reliability Engineering principles including SLOs, SLIs, error budgets, toil reduction, and how SRE differs from traditional DevOps.
Read article →GitOps — ArgoCD, Flux, and Declarative Infrastructure
Learn GitOps principles and implement declarative infrastructure management using ArgoCD and Flux with Git as the single source of truth.
Read article →Configuration Management — Ansible, Chef, and Puppet Compared
Compare configuration management tools — Ansible, Chef, and Puppet — with practical examples, architecture differences, and guidance on choosing the right tool.
Read article →Artifact Management — JFrog, Nexus, and Container Registries
Understand build artifacts, compare JFrog Artifactory vs Nexus vs container registries (ECR, ACR, GHCR, Harbor), learn versioning strategies, cleanup policies, and CI/CD integration patterns for managing your binaries at scale.
Read article →Prometheus and Grafana — Set Up Production Monitoring in 15 Minutes
Go from zero to production monitoring with Prometheus, Grafana, node_exporter, and Alertmanager — complete with Docker Compose setup, PromQL queries, custom dashboards, and Slack alert routing.
Read article →Monitoring 101 — Metrics, Logs, Traces, and the Golden Signals
Learn the three pillars of observability — metrics, logs, and traces — along with Google's Four Golden Signals, RED and USE methods, SLOs/SLIs/SLAs, and how to build monitoring that actually tells you what is broken.
Read article →Testing in DevOps — Unit, Integration, E2E, and Shift-Left
Master the testing pyramid for DevOps — from unit tests to E2E, shift-left testing, contract testing, handling flaky tests, testing infrastructure code, and building test stages into your CI/CD pipeline.
Read article →Version Control Best Practices — Branching, Commits, and Code Reviews
Level up your Git game with conventional commits, branch naming conventions, PR templates, git hooks, GPG-signed commits, monorepo vs polyrepo trade-offs, and advanced debugging with git bisect.
Read article →YAML for DevOps — The Complete Guide (Stop Googling YAML Syntax)
The definitive YAML reference for DevOps engineers. Master multi-line strings, anchors, aliases, common gotchas, and see YAML in action across Kubernetes, Docker Compose, GitHub Actions, and Ansible.
Read article →Jenkins Pipeline — Declarative, Scripted, and Blue Ocean Explained
Master Jenkins Pipeline with Declarative and Scripted syntax, shared libraries, Docker agents, parallel stages, and Blue Ocean UI. Includes a head-to-head comparison with GitHub Actions.
Read article →GitHub Actions from Scratch — Your First CI/CD Pipeline in 10 Minutes
Build your first GitHub Actions CI/CD pipeline from scratch. Learn workflow syntax, triggers, matrix builds, caching, secrets, artifacts, and real-world examples for Node.js, Docker, and cloud deployments.
Read article →Git Workflows — Trunk-Based vs GitFlow vs GitHub Flow
Compare the three most popular Git branching strategies — GitFlow, GitHub Flow, and Trunk-Based Development — with real commands, diagrams, and a decision guide for your team.
Read article →DevOps Is Not a Tool — Culture, CALMS, and the Three Ways
DevOps is a culture shift, not a toolchain. Learn the origin story, CALMS framework, The Three Ways, anti-patterns to avoid, and how DevOps compares to SRE and Platform Engineering.
Read article →CI/CD Pipelines: Building Your First Automated Pipeline
Learn how to build and deploy CI/CD pipelines for automated software delivery using GitHub Actions and Jenkins.
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