AI tutorial - IT technology blog

Prompt Engineering 101: How to Write Effective Prompts That Actually Work

A seven-word system prompt brought down our AI support bot at 3 AM — and the model was working perfectly. This guide covers the prompt engineering fundamentals that prevent production failures: role assignment, output format specification, few-shot examples, chain-of-thought reasoning, and how to build a proper test suite for your prompts.
Linux tutorial - IT technology blog

How to Configure Nginx as Web Server and Reverse Proxy on Ubuntu

Running an app directly on port 3000 works right up until you need HTTPS, multiple backends, or proper static file serving. This guide walks through configuring Nginx as both a static web server and reverse proxy on Ubuntu, covering server blocks, proxy headers, SSL with Let's Encrypt, and the monitoring commands you'll reach for after every deploy.