ITNotes - Page 46 of 84 - From Terminal to Cloud

MySQL High Availability: A Hands-On Guide to Galera Multi-Master Clusters

April 21, 2026

Build a resilient database backend using MariaDB Galera Cluster. This guide covers synchronous multi-master setup, quorum logic, and performance tuning for production environments.

Programming

Scaling Large-Scale Frontend Applications with React and Module Federation

April 21, 2026

Discover how to dismantle monolithic frontend debt using Webpack Module Federation. This guide walks you through building a scalable, multi-team React architecture from scratch.

Networking

Netplan on Ubuntu: A Pro’s Guide to YAML Networking

April 21, 2026

Ditch the old /etc/network/interfaces. Learn how to use Netplan on Ubuntu to configure static IPs, DHCP, and DNS using clean YAML syntax while avoiding common pitfalls.

Security

Kill the 2 AM Password Prompt: Auto-Unlock LUKS with TPM 2.0

April 21, 2026

Stop typing LUKS passphrases manually. This guide shows you how to use TPM 2.0 and Clevis to securely automate disk decryption on Linux, ensuring your servers reboot without intervention.

Programming

Mastering Mocking and Stubbing in Vitest: A TypeScript Guide for Complex Dependencies

April 21, 2026

Learn how to master Vitest mocking and stubbing in TypeScript. Isolate your unit tests from external APIs and databases to build a faster, more reliable development workflow.

Programming

Making Node.js Apps Resilient: A Practical Guide to Retries and Exponential Backoff

April 20, 2026

API failures are inevitable. Learn how to handle them gracefully in Node.js using exponential backoff, jitter, and smart retry logic to improve system reliability.

Building Autonomous Python Agents with the Claude SDK

April 20, 2026

Transform your AI from a passive chatbot into an active agent. This guide shows you how to use the Claude SDK to handle tool calling, state management, and complex Python workflows.

HomeLab

Ditch the Spreadsheets: Professional HomeLab Asset Tracking with Snipe-IT and Docker

April 20, 2026

Ditch the messy spreadsheets. This guide shows you how to deploy Snipe-IT on Docker to track hardware, components, and warranties like a professional sysadmin.

DevOps

Automating Database Schema Changes with Atlas and GitHub Actions: A GitOps Guide

April 20, 2026

Tired of manual SQL migrations breaking your production environment? Learn how to automate database schema changes using Atlas and GitHub Actions in this step-by-step GitOps guide.

Building a Production-Ready REST API with Spring Boot, Spring Security, JPA, and Docker

Building a Laravel REST API with Docker: From Zero to Production in 2024

Mastering Prometheus Alertmanager: Routing, Grouping, Inhibition, and Smart Alert Delivery to Telegram and PagerDuty

Securing IoT Devices at Home and in Your HomeLab: VLAN Segmentation, Firmware Monitoring, and Blocking Suspicious Connections

Mastering Protocol Buffers: Schema-first API Design for Multi-language Projects

Deploy FerretDB on Docker: MongoDB-Compatible Open Source Database Built on PostgreSQL

Practical Web Security: Hunting XSS, SQLi, and IDOR with Burp Suite Community

Deploy OpenCTI on Docker: Build Your Own Threat Intelligence Lab

Beyond Boolean Soup: Architecting Robust React Logic with XState

Why Is My Linux Load Average High Despite Low CPU Usage?

MySQL High Availability: A Hands-On Guide to Galera Multi-Master Clusters

Scaling Large-Scale Frontend Applications with React and Module Federation

Netplan on Ubuntu: A Pro’s Guide to YAML Networking

Kill the 2 AM Password Prompt: Auto-Unlock LUKS with TPM 2.0

Mastering Mocking and Stubbing in Vitest: A TypeScript Guide for Complex Dependencies

Making Node.js Apps Resilient: A Practical Guide to Retries and Exponential Backoff

Building Autonomous Python Agents with the Claude SDK

Ditch the Spreadsheets: Professional HomeLab Asset Tracking with Snipe-IT and Docker

Automating Database Schema Changes with Atlas and GitHub Actions: A GitOps Guide