ITNotes - Page 21 of 142 - From Terminal to Cloud

Programming tutorial - IT technology blog

Mastering Valibot in TypeScript: A Lightweight, Tree-shakable Schema Validation Guide

September 10, 2026

Is Zod bloating your bundle? Learn why Valibot's modular, functional approach is the future of TypeScript schema validation and how it can reduce your code size by 90%.

Database

SQL Server on Linux: A Practical Guide to Setup, Security, and Backups

September 10, 2026

Ditch the Windows licensing fees. This guide walks you through installing SQL Server 2022 on Ubuntu, securing your instance against bots, and setting up automated backups.

Security

Zero Trust on Linux: A Practical Guide to Deploying HashiCorp Boundary

September 10, 2026

Replace outdated VPNs with HashiCorp Boundary. This guide provides a hands-on approach to deploying controllers, workers, and Zero Trust access on Linux.

Programming

Stop the Rot: Building Enforceable Modular Monoliths with Spring Modulith

September 10, 2026

Is your Java monolith becoming unmanageable? Discover how Spring Modulith enforces clean boundaries and prevents spaghetti code without the complexity of microservices.

Security

Defeating Log Tampering with Journald Forward Sealing (FSS)

September 10, 2026

Attackers often wipe Linux logs to hide their tracks. This guide shows you how to use Journald Forward Sealing (FSS) to cryptographically sign your logs, ensuring their integrity even if your server is compromised.

Stop Building Brittle AI: Building Self-Correcting Agentic RAG with LangGraph

September 10, 2026

Standard RAG pipelines often fail when local data is missing or queries are vague. This guide shows you how to build a self-correcting Agentic RAG system using LangGraph and Tavily to reduce hallucinations and improve reliability.

Security

Mastering AFL++ on Linux: A Practical Guide to Fuzzing C/C++ for Security Vulnerabilities

September 10, 2026

Discover how to use AFL++ on Linux to find hidden security vulnerabilities in C/C++ code. This guide covers setup, instrumentation, and advanced fuzzing strategies.

DevOps

Unified Kubernetes Observability: A Hands-on Guide to Grafana Alloy

September 9, 2026

Tired of managing Promtail, Node Exporter, and OTel collectors separately? Learn how to unify your Kubernetes telemetry with Grafana Alloy and simplify your observability stack.

HomeLab

Deploy Windmill on Docker: Code-First Workflow Automation for Your HomeLab

September 8, 2026

Windmill is a self-hosted workflow automation platform where every script is real code — Python, TypeScript, or Go — with git history, LSP autocomplete, and isolated testing. Deploy it with Docker Compose to stop writing automation logic in textarea boxes and start building version-controlled, testable flows.

DevOps

Distributed Tracing with Grafana Tempo and OpenTelemetry: Cut Storage Costs with Trace Sampling

September 8, 2026

Distributed tracing is the missing piece when logs alone can't explain why your microservice requests are slow. This guide walks through setting up Grafana Tempo with OpenTelemetry and tail-based sampling — so you keep every trace that matters while keeping storage costs under control.

Mastering HugePages and Transparent HugePages on Linux for PostgreSQL and Redis

Mitigate DDoS with BGP Flowspec and ExaBGP on Linux: Automated Routing-Level Packet Filtering

Deploy Harbor on Docker: Self-Host a Secure Private Container Registry with Trivy and Image Signing for Your HomeLab

Building a Production-Ready Text-to-SQL Engine with Vanna.ai and Python

Deploy CrowdSec on Linux: Building a Distributed IPS to Block Brute Force and Web Attacks

Route-Based IPsec VPN with strongSwan and VTI on Linux: Secure Cloud-to-On-Premises Connectivity

Automate Kubernetes Troubleshooting with K8sGPT and Local Ollama

Mastering Outlines in Python: Guaranteed Structured LLM Output with Regex and CFGs

Mastering Cursor Rules and Context Mentions: Standardize Architecture Across Your Dev Team

Deploying HashiCorp Vault on Kubernetes: Dynamic Secrets and Sidecar Injector Guide

Mastering Valibot in TypeScript: A Lightweight, Tree-shakable Schema Validation Guide

SQL Server on Linux: A Practical Guide to Setup, Security, and Backups

Zero Trust on Linux: A Practical Guide to Deploying HashiCorp Boundary

Stop the Rot: Building Enforceable Modular Monoliths with Spring Modulith

Defeating Log Tampering with Journald Forward Sealing (FSS)

Stop Building Brittle AI: Building Self-Correcting Agentic RAG with LangGraph

Mastering AFL++ on Linux: A Practical Guide to Fuzzing C/C++ for Security Vulnerabilities

Unified Kubernetes Observability: A Hands-on Guide to Grafana Alloy

Deploy Windmill on Docker: Code-First Workflow Automation for Your HomeLab

Distributed Tracing with Grafana Tempo and OpenTelemetry: Cut Storage Costs with Trace Sampling