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Is MySQL COUNT(*) Slow? Don’t Let Your Dashboard Freeze When Data Hits Millions of Rows

By admin July 30, 2026

Why does MySQL COUNT(*) slow down on large InnoDB datasets? This article analyzes the impact of MVCC and provides 4 optimization techniques using Counter Tables, Metadata, and Redis.

VMware

How to Get VMware Workstation Pro for Free: A Solution for Upgrading from the Player Version

By admin July 30, 2026

Broadcom has made VMware Workstation Pro free for personal users. Check out this guide on how to register and download the official license to replace the limited Player version.

MySQL

MySQL Hash Join: A Lifesaver for Queries Lacking Indexes on MySQL 8.0.18+

By admin July 30, 2026

What is MySQL Hash Join? Learn how it works, how to configure join_buffer_size, and practical tips to significantly speed up JOIN queries lacking indexes.

Development

Building Multi-Model AI Streaming Chat with Vercel AI SDK and Next.js

By admin July 30, 2026

A detailed guide on building a multi-model AI streaming chat application (OpenAI, Claude, Gemini) using Vercel AI SDK and Next.js. The optimal solution for modern developers.

Database

Redis Insight: The Visual Lifesaver for Debugging and Optimizing Redis from A-Z

By admin July 30, 2026

Discover how to use Redis Insight to monitor performance, analyze RAM, and visually debug data. The ultimate CLI alternative for developers.

Security

Snort 3 Installation Guide on Ubuntu: A Comprehensive IDS/IPS Shield for Your Server

By admin July 30, 2026

A detailed guide on installing Snort 3 on Ubuntu from source code. Optimize IDS/IPS performance with multi-threaded architecture to protect your server from modern cyber attacks.

Security

Deploying Zero Trust Mesh VPN with NetBird: How I Protected My Server from 50,000 Brute-force Attacks Nightly

By admin July 30, 2026

A guide to building a Zero Trust Mesh VPN with NetBird on Linux. A modern alternative to traditional VPNs for securing SSH and connecting servers safely without port forwarding.

Fedora

Blocking Unauthorized Software on Fedora Server with fapolicyd: A Whitelisting Approach

By admin July 29, 2026

Enhance Fedora Server security with fapolicyd. A detailed guide on setting up Application Whitelisting to prevent unauthorized scripts and software execution.

Artificial Intelligence tutorial - IT technology blog

LanceDB: The ‘SQLite’ of Vector Databases – A Lightweight Storage Solution for AI Applications

By admin July 29, 2026

LanceDB is a lightweight embedded vector database that functions like SQLite but for AI. Learn how to install and optimize Vector Search for your RAG applications.

Python

Pushing Python to the Limit with Rust and PyO3: From 15 Minutes to 10 Seconds

By admin July 29, 2026

Explore how to use PyO3 to speed up Python applications with Rust. A detailed guide from installation to real-world performance optimization for heavy data tasks.

Repository Rescue: Mastering git fsck to Recover Code and Fix Data Errors

Optimize Windows Virtual Machines to Run ‘Silky Smooth’ with VMware OS Optimization Tool (OSOT)

Installing Pyrra: Managing SLOs and Alerts the Google SRE Way

Installing Woodpecker CI on Fedora Server: A Lightweight CI/CD Solution for Gitea

Configuring Docker daemon.json: Prevent Disk Full Errors and Production Server Crashes

Python lxml: The ‘Heavy Weapon’ for Processing XML/HTML in Legacy Systems

Mastering NetworkManager Dispatcher: Automate ‘Everything’ When Changing Networks on Linux

Configuring DNS Split-Horizon with BIND9: The IP “Splitting” Trick for LAN and Internet

Building Background Jobs for Next.js: Say Goodbye to Redis, Welcome Inngest

mysqlslap: How I “Torture” MySQL to Find Real-World Load Limits

Is MySQL COUNT(*) Slow? Don’t Let Your Dashboard Freeze When Data Hits Millions of Rows

How to Get VMware Workstation Pro for Free: A Solution for Upgrading from the Player Version

MySQL Hash Join: A Lifesaver for Queries Lacking Indexes on MySQL 8.0.18+

Building Multi-Model AI Streaming Chat with Vercel AI SDK and Next.js

Redis Insight: The Visual Lifesaver for Debugging and Optimizing Redis from A-Z

Snort 3 Installation Guide on Ubuntu: A Comprehensive IDS/IPS Shield for Your Server

Deploying Zero Trust Mesh VPN with NetBird: How I Protected My Server from 50,000 Brute-force Attacks Nightly

Blocking Unauthorized Software on Fedora Server with fapolicyd: A Whitelisting Approach

LanceDB: The ‘SQLite’ of Vector Databases – A Lightweight Storage Solution for AI Applications

Pushing Python to the Limit with Rust and PyO3: From 15 Minutes to 10 Seconds