GILKUT®

Complete Beginner’s Guide: Installing WordPress on Ubuntu VPS (2026 Edition)

Assumed environment: Fresh Ubuntu 22.04 or 24.04 LTS VPS Web server: Nginx + PHP-FPM + MariaDB Goal: Secure WordPress site with free Let’s Encrypt SSL Step 0 – First Things…

Gilkut February 19, 2026

🚀 Ollama on Raspberry Pi: Step-by-Step Installation & Complete Setup Guide (2026)

This complete guide explains how to install Ollama on Raspberry Pi and run AI models locally. Follow the step-by-step instructions to set up Ollama, download lightweight models, improve performance, and access your AI system from other devices. Perfect for students, developers, and Raspberry Pi enthusiasts.

Gilkut February 6, 2026

IoT

The Next Layer of Industry 4.0: Ambient IoT – Making Asset Tracking Fully Automatic

Discover how Ambient IoT enables fully automatic, battery-free asset tracking in Industry 4.0. Learn how real-time visibility boosts efficiency, reduces errors and powers autonomous factories.

Gilkut December 4, 2025

VS Code vs Cursor AI comparison split screen showing VS Code on the left and Cursor AI on the right with glowing AI features like Cursor Tab. An arrow labeled One-Click Migration points to Cursor. Text overlay reads: The 2025 Beginner's Guide to AI-First Coding.

How to Use Cursor AI: The Ultimate Beginner’s Guide (2025)

Learn how to use Cursor AI code editor in this step-by-step beginner's guide. Discover how to migrate from VS Code, use Cursor Tab, and code 10x faster with AI features.

Gilkut November 26, 2025

IoT

Install & Secure Mosquitto MQTT Broker (Industrial IoT)

This is where your IoT devices will actually connect and send real data. We will do it correctly and securely, step-by-step: 🔹 Step 1 — Install Mosquitto 🔹 Step 2…

Gilkut November 14, 2025

IoT

🚫 WHY YOU SHOULD NOT FULLY UPGRADE TO Ubuntu

Your server is currently running: ✔️ PostgreSQL 14 ✔️ TimescaleDB (installed specifically for your OS + PG version) ✔️ Mosquitto setup ✔️ Custom pg_hba.conf ✔️ Tuned postgresql.conf (via timescaledb-tune) If…

Gilkut November 14, 2025

Backend

Full Backend for Your IoT Platform (Node.js + MQTT + PostgreSQL + Timescale)

🚀 NOW WE ENTER PHASE 5 🎯 WHAT YOU WILL GET AFTER PHASE 5 ✔️ A backend server running on Node.js ✔️ An MQTT ingestion service that listens for device…

Gilkut November 14, 2025

OPEN SOURCE DATABASE

INSTALL TIMESCALEDB

We will proceed with: ✔️ Adding Timescale apt repository ✔️ Installing TimescaleDB extension ✔️ Configuring PostgreSQL to load Timescale ✔️ Creating your first IoT telemetry hypertable now your PostgreSQL will…

Gilkut November 14, 2025

OPEN SOURCE DATABASE

What is TRUST authentication? ✅ THE SAFEST + SIMPLEST pg_hba.conf CONFIGURATION

In PostgreSQL’s pg_hba.conf: local all all trust host all all 0.0.0.0/0 trust trust = allow ANYONE to connect with NO password. Literally: Any local user → can log into ANY…

Gilkut November 13, 2025

OPEN SOURCE DATABASE

🧠 Understanding: PostgreSQL “User” vs “Role”

In PostgreSQL, a user and a role are actually the same thing —the difference is only permissions. CREATE USER xyz is really just CREATE ROLE xyz LOGIN; That means: the…

Gilkut November 13, 2025

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