ITNotes - Page 72 of 119 - From Terminal to Cloud

Fixing RAG Retrieval Failures: A Practical Guide to BM25 and Hybrid Search

May 1, 2026

Vector search often misses exact technical terms and specific IDs. This guide explains how to combine BM25 and Vector Search using Hybrid Search and RRF to increase RAG accuracy by up to 20%.

Networking

Split-Horizon DNS with BIND9: Stop Hairpinning Your Internal Traffic

April 30, 2026

Solve routing loops and improve network security by configuring Split-Horizon DNS with BIND9. This guide shows you how to serve different IP addresses based on the user's location.

Database

PostgreSQL Stored Procedures and Triggers: Stop Leaking Your Business Logic

April 30, 2026

Stop duplicating business logic across microservices. Learn how to use PostgreSQL Stored Procedures and Triggers to centralize your rules and slash API latency.

Linux

Mastering Sed and Awk: High-Performance Linux Text Processing

April 30, 2026

Ditch the heavy editors. Master Sed and Awk to process massive log files and automate reports directly from the Linux command line without risking a server crash.

Programming

Scaling React Performance: Mastering Memoization, Code Splitting, and the Profiler

April 30, 2026

Is your React app feeling sluggish? Learn how to use memoization, code splitting, and the Profiler to slash render times and reduce bundle sizes in large-scale applications.

Programming

Go Concurrency: Building High-Performance Systems with Goroutines and Channels

April 30, 2026

Ditch heavy OS threads for Go's lightweight Goroutines. This guide walks you through the M:N scheduler, channel synchronization, and the Worker Pool pattern with real-world examples.

DevOps

Scaling Kubernetes Monitoring: My 6-Month Journey with the Prometheus Operator

April 30, 2026

A practical look at deploying the Prometheus Operator on Kubernetes. Discover how we moved from manual ConfigMaps to automated, label-based monitoring for 40+ microservices.

Networking

GNS3 on Ubuntu: Build a Pro-Grade Network Lab Without the Hardware Cost

April 30, 2026

Ditch the expensive hardware. This guide shows you how to install GNS3 on Ubuntu, tune it for peak performance using KVM, and bridge your virtual labs to the physical world.

Beyond Linear Chains: Building Production-Ready AI Agents with LangGraph

April 30, 2026

Ditch the spaghetti code. Learn how to use LangGraph to build resilient, stateful AI agents with built-in error handling and human-in-the-loop checkpoints.

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

Fixing RAG Retrieval Failures: A Practical Guide to BM25 and Hybrid Search

Split-Horizon DNS with BIND9: Stop Hairpinning Your Internal Traffic

PostgreSQL Stored Procedures and Triggers: Stop Leaking Your Business Logic

Mastering Sed and Awk: High-Performance Linux Text Processing

Scaling React Performance: Mastering Memoization, Code Splitting, and the Profiler

Go Concurrency: Building High-Performance Systems with Goroutines and Channels

Scaling Kubernetes Monitoring: My 6-Month Journey with the Prometheus Operator

GNS3 on Ubuntu: Build a Pro-Grade Network Lab Without the Hardware Cost

Beyond Linear Chains: Building Production-Ready AI Agents with LangGraph