}

Tutorials

Step-by-step technical guides on Docker, Linux, Python, Go, and more.

Page 2 of 35

17 min readIntermediate

Metasploit Framework Tutorial 2026: Ethical Hacking from Recon to Report

Master Metasploit Framework in 2026. Learn msfconsole, scanning, exploitation, post-exploitation, pivoting, Meterpreter, and writing professional penetration testing reports — for ethical hacking only.

19 min readIntermediate

Next.js 15 Full-Stack App 2026: App Router, Prisma, NextAuth, and Vercel

Build a production full-stack app with Next.js 15 in 2026. Use the App Router, React Server Components, server actions, Prisma ORM, NextAuth.js authentication, and deploy to Vercel.

21 min readIntermediate

OpenTelemetry Python Tutorial 2026: Traces, Metrics, and Logs

Instrument Python applications with OpenTelemetry in 2026. Complete guide for traces, metrics, and logs with FastAPI, Django, and Flask — export to Jaeger, Prometheus, and any OTLP backend.

16 min readIntermediate

Platform Engineering with Backstage 2026: Build Your Internal Developer Portal

Build an Internal Developer Portal with Backstage in 2026. Set up the Software Catalog, TechDocs, scaffolder templates, and plugins to improve developer experience — Gartner says 80% of engineering orgs will have one by 2027.

19 min readIntermediate

Playwright Python Tutorial 2026: End-to-End Testing and Browser Automation

Learn Playwright with Python in 2026 — 60% YoY search growth. Write end-to-end tests, automate browsers, run parallel tests, do visual regression testing, and integrate with pytest and GitHub Actions.

16 min readIntermediate

Polars Python Tutorial 2026: Faster Than Pandas with Lazy Evaluation

Learn Polars in Python 2026 — 300% faster than pandas with lazy evaluation and Rust-powered execution. Complete guide covering DataFrames, expressions, lazy API, streaming large datasets, and migrating from pandas.

15 min readBeginner

Ruff Python Linter 2026: Replace flake8, isort, and black with One Tool

Ruff is the fastest Python linter in 2026 — 10-100x faster than flake8. Learn to install, configure, and integrate Ruff into your CI/CD pipeline replacing flake8, isort, black, and pydocstyle.

17 min readIntermediate

SigNoz + OpenTelemetry Python 2026: Full Observability Stack Tutorial

Set up a complete observability stack with SigNoz and OpenTelemetry in Python 2026. Instrument FastAPI with traces, metrics, and logs, then visualize everything in SigNoz — the open-source Datadog alternative.

16 min readIntermediate

TypeScript for JavaScript Developers 2026: Practical Migration Guide

Learn TypeScript as a JavaScript developer in 2026. Covers types, interfaces, generics, decorators, and migrating a real JS project to TypeScript with tsconfig best practices.

18 min readIntermediate

Vibe Coding a SaaS with Claude Code 2026: From Idea to Production

Learn vibe coding in 2026 — AI-assisted development where 46% of code is AI-generated. Build a real SaaS product with Claude Code: architecture decisions, iteration workflow, quality control, and production deployment.