admin, Author at ITNotes

Breathe New Life into Old Hardware: Building a Linux Print Server with CUPS

May 6, 2026

Don't let old computers go to waste. This guide shows you how to build a rock-solid Linux print server with CUPS, featuring AirPrint support and user quotas.

Programming

High-Performance Microservices with NATS: Beyond the REST Bottleneck

May 6, 2026

Ditch the 'spaghetti REST' architecture. This guide shows you how to use NATS to build high-performance, event-driven microservices that scale effortlessly.

HomeLab

Automate Your Internet Performance Monitoring: A 6-Month Speedtest Tracker Review

May 6, 2026

Is your ISP delivering the speeds you pay for? Learn how to deploy Speedtest Tracker on Docker to automate performance logging 24/7 with this 6-month stability review.

Boost Your Local LLM Speed: A Hands-On Guide to Speculative Decoding

May 6, 2026

Boost your local LLM speed by 2x or more. This guide covers the practical setup for Speculative Decoding using llama.cpp and vLLM on consumer GPUs.

DevOps

Kubernetes Preview Environments: How We Solved the ‘Who Broke Staging?’ Crisis with Argo CD

May 6, 2026

Is your staging server a bottleneck? Learn how to build automated, isolated preview environments for every Pull Request using Argo CD and Kubernetes.

DevOps

Mastering CI/CD: How We Automated Azure App Service Deployments in 6 Months

May 6, 2026

Based on 6 months of production usage, this guide shows you how to move from risky manual uploads to a 5-minute automated CI/CD pipeline using Azure DevOps and YAML.

Database

Stop Treating DynamoDB Like SQL: A Practical Guide to Single-Table Design

May 6, 2026

Is your DynamoDB schema actually a SQL database in disguise? Learn how to use single-table design to consolidate data, reduce network latency, and optimize your serverless application for scale.

Programming

Beyond Code Deploys: Mastering Feature Flags and Canary Releases

May 6, 2026

Stop conflating deployment with release. Learn how to use feature flags for instant toggles and risk-free canary rollouts using deterministic hashing, all without needing to redeploy code.

Linux

Stop Over-Engineering Your Test Labs: A Guide to Systemd-nspawn

May 6, 2026

Ditch the heavy overhead of Docker for your local testing. This guide shows you how to master systemd-nspawn for lightning-fast, isolated Linux environments.

Networking

Mastering Smokeping: How to Kill the ‘2 AM Network Ghost’ on Linux

May 6, 2026

Learn how to deploy and configure Smokeping on Linux. Track network latency, jitter, and packet loss over time with historical RRDtool graphs to solve intermittent connectivity issues.