ITNotes - Page 10 of 119 - From Terminal to Cloud

Programming tutorial - IT technology blog

Build a Python Web Framework from Scratch: A Hands-On Guide to WSGI

August 15, 2026

Build a minimal, high-performance Python web framework from scratch. Master the WSGI standard, routing, and middleware to take full control of your backend architecture.

Programming

Stop Copy-Pasting: Automate PyPI and npm Releases with GitHub Actions

August 15, 2026

Stop the cycle of copy-pasting code between repositories. This guide shows you how to structure, test, and automate the publishing of Python and JavaScript libraries to PyPI and npm.

Programming

Fixing a 2 AM Production Crash with Dynamic Programming in Python

August 15, 2026

How a 2 AM production crash revealed the dangers of naive recursion. Learn to use Memoization and Tabulation in Python to eliminate CPU spikes and handle large-scale data efficiently.

Networking

Fixing the Single-Core Bottleneck: Scaling Linux Networking with RSS, RPS, and RFS

August 15, 2026

Is CPU0 pinning at 100% while your other cores sit idle? Learn how to use RSS, RPS, and RFS to distribute network interrupts and eliminate packet loss on Linux.

Networking

Mastering systemd-networkd: The Minimalist’s Guide to Linux Networking

August 15, 2026

Ditch the overhead of NetworkManager and Netplan. This guide shows you how to use systemd-networkd for faster boot times and lightweight networking on Linux servers.

Networking

Benchmarking DNS Performance with dnsperf and resperf: A Production Guide

August 15, 2026

Master dnsperf and resperf to benchmark your DNS infrastructure. Learn how to find your server's breaking point and optimize for high-load production environments.

Stop Scrubbing: Building a Video RAG System with Keyframe Extraction and Vector Search

August 14, 2026

Manual video scrubbing is a relic of the past. Learn how to build a Video RAG system using Python, CLIP, and Qdrant to index and search visual content with precision.

HomeLab

Stop Guessing, Start Scanning: Deploying SonarQube on Docker for Your HomeLab

August 14, 2026

Take your HomeLab coding to a professional level. Learn how to deploy SonarQube on Docker to automate code reviews, identify security flaws, and manage technical debt.

AI-Powered Visual Testing: Catching UI Regressions with Playwright and Claude 3.5 Sonnet

August 14, 2026

Learn how to combine Playwright's browser automation with Claude 3.5 Sonnet's vision capabilities to detect UI bugs automatically. This guide covers setup, CI/CD integration, and cost-saving tips.

HomeLab

Build Your Own AI Supercomputer: Use Exo to Run 70B Models on Distributed Hardware

August 14, 2026

Turn your collection of Macs, PCs, and laptops into a unified AI supercomputer. This guide shows you how to use Exo to pool VRAM and run massive 70B LLMs at home.

Speed Up Python with Numba JIT: Make Heavy Data Processing 100x Faster

CDK for Terraform (CDKTF) with Python: Deploy Cloud Resources Without Writing HCL

Clean Up Your Java Code: A Practical Guide to Vavr

Stop Deploying Broken Docker Images: A Guide to Container Structure Tests

Mastering Golang Memory Profiling: A Practical Guide with pprof

Stop Storing Secrets in Git: A Guide to 1Password Connect on Kubernetes

Building a Network Performance Testbed: High-Speed Testing with TRex on Linux

Stop Writing Boilerplate: A Guide to Python Dataclasses, Attrs, and Pydantic

Build Your Own Private 5G Network: A Hands-On Guide with Open5GS and srsRAN

Mastering Socket.IO in Node.js: Building Secure, Production-Ready Real-Time Apps

Build a Python Web Framework from Scratch: A Hands-On Guide to WSGI

Stop Copy-Pasting: Automate PyPI and npm Releases with GitHub Actions

Fixing a 2 AM Production Crash with Dynamic Programming in Python

Fixing the Single-Core Bottleneck: Scaling Linux Networking with RSS, RPS, and RFS

Mastering systemd-networkd: The Minimalist’s Guide to Linux Networking

Benchmarking DNS Performance with dnsperf and resperf: A Production Guide

Stop Scrubbing: Building a Video RAG System with Keyframe Extraction and Vector Search

Stop Guessing, Start Scanning: Deploying SonarQube on Docker for Your HomeLab

AI-Powered Visual Testing: Catching UI Regressions with Playwright and Claude 3.5 Sonnet

Build Your Own AI Supercomputer: Use Exo to Run 70B Models on Distributed Hardware