performance - ITNotes

Stop Wasting Hardware: Tuning Linux Kernel Parameters with sysctl

April 4, 2026

Is your server dropping connections despite low CPU usage? Learn how to tune Linux kernel parameters using sysctl to optimize networking, memory, and file limits for high-performance production environments.

Programming

Scaling Node.js: High-Performance Async/Await and Event Loop Management

March 30, 2026

Master high-performance Node.js development with this guide to Async/Await. Learn how to optimize the Event Loop, use parallel execution patterns, and handle CPU-heavy tasks.

Programming

Rust for System Programming — Why You Should Learn It

March 29, 2026

Tired of 2 AM pager calls due to memory leaks and segmentation faults in critical system services? This article explores why Rust is the solution for robust, high-performance system programming, addressing the root causes of instability. Learn how Rust's unique features like ownership, borrowing, and fearless concurrency prevent common bugs at compile time, leading to unparalleled reliability.

HomeLab

HomeLab Hardware Performance Monitoring: A TIG Stack Guide (Telegraf, InfluxDB, Grafana)

March 25, 2026

Learn how to effectively monitor your HomeLab hardware performance from scratch using the powerful Telegraf, InfluxDB, and Grafana (TIG) Stack. This tutorial guides you through installation, configuration, and dashboard creation, based on six months of real-world production experience.

Linux

Boost Network Performance: Setting Up a Local DNS Server on Linux with Dnsmasq

March 22, 2026

This guide helps you set up a local Dnsmasq DNS server on Linux for improved network performance and straightforward internal domain management. It covers installation, configuration, and integration, offering a lightweight alternative to complex DNS solutions.

Programming

Astro vs Next.js: Modern Frameworks for Building a Blog

March 18, 2026

Deciding between Astro and Next.js for your next blog project can be tough, but understanding their core philosophies clarifies the choice. Astro excels at delivering content with minimal JavaScript for unmatched performance, ideal for static-heavy blogs. Next.js offers full-stack capabilities and a rich React ecosystem, perfect for dynamic blogs that might grow into complex applications.

Database

Redis: Supercharge Your Application with In-Memory Caching

March 16, 2026

Curious how Redis drastically boosts application performance? This beginner-friendly guide walks you through installation, core concepts, and practical ways to use in-memory caching. Learn to set up Redis quickly, integrate it with Python, and discover its powerful data structures and advanced features like persistence and Pub/Sub messaging.

Programming

Redis Data Caching: A Beginner’s Guide to Speeding Up Your Application

March 9, 2026

Struggling with a slow application? Learn how to implement Redis for data caching. This guide walks you through the concepts, setup, and a practical Python example to significantly boost your app's performance.

Linux

Linux Monitoring Tools: htop, iotop, and nethogs for Real-Time System Visibility

March 5, 2026

htop, iotop, and nethogs each target a different resource — CPU/memory, disk I/O, and network traffic per process. Here's how to use all three together to pinpoint performance problems before they escalate.