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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

Backend

The Backends Node.js vs Python vs Go

here’s a clear, no-nonsense comparison for building your IoT backend on Ubuntu 22.04 LTS CriteriaNode.js (TypeScript, Express/NestJS)Python (FastAPI/Django)Go (Fiber/Gin/Echo)StrengthsReal-time (WebSockets), huge ecosystem, one language (front+back), fast dev; great SDKs for…

Gilkut November 13, 2025

OPEN SOURCE DATABASE

POSTGRESQL DATABASE INSTALLTION AND SETTINGS ON UBUNTU VPS

Below are the complete, tested steps to install and set up PostgreSQL 15 (the default in Ubuntu 22.04) on Ubuntu 22.04 LTS . Step 1: Update System Packages bash sudo…

Gilkut November 13, 2025

Raspberry Pi Pico

Raspberry Pi Pico Programming: Initial Setup Guide for School Students

Welcome to the exciting world of Raspberry Pi Pico programming! If you love gadgets and enjoy making things work, you're in for a treat. The Raspberry Pi Pico is a…

Gilkut August 23, 2024

Raspberry Pi Pico

Raspberry Pi Pico vs. Arduino UNO: A Fun Comparison!

The Arduino UNO is a favorite among students, engineers, and hobbyists. But how does it stack up against the newer Raspberry Pi Pico? Let's dive into the details and see…

Gilkut July 21, 2024

Unveiling GPT 4o Mini: The Most Capable and Cost-Efficient AI Chatbot Yet

Exciting news for all tech enthusiasts! OpenAI is set to release its latest artificial intelligence model, the "GPT 4o mini," this Thursday. This new model promises to revolutionize the way…

Gilkut July 19, 2024

Raspberry Pi Pico

Raspberry Pi Pico Pinout Explained: Fun and Easy Guide for Students

Welcome back, young makers! Today, we'll explore the exciting world of the Raspberry Pi Pico pinout. Understanding the pinout is crucial for connecting and using various components with your Pico.…

Gilkut July 18, 2024

Raspberry Pi Pico

Getting Started with Raspberry Pi Pico: An Exciting Introduction to Hardware Specifications and Features

Meet the Raspberry Pi Pico! What is it? A tiny, super cool single-board microcontroller developed by the Raspberry Pi Foundation. Nickname: We'll call it "Pico" for short! Pico Hardware Module:…

Gilkut July 18, 2024

Tech Guidance

How to Delete Instagram Account: A Step-by-Step Guide

Are you thinking about stepping away from Instagram? Whether you need a break from social media or are looking to delete your account permanently, this guide will walk you through…

Gilkut July 17, 2024

GILKUT®

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