AI tutorial - IT technology blog
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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
Posted inLinux

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.
AI tutorial - IT technology blog
Posted inAI

AI Safety: How to Use AI Tools Without Leaking Your Data

Using AI tools like ChatGPT or Claude without thinking about data privacy is a common but avoidable risk. This guide walks through practical techniques — anonymization scripts, API access, and local models with Ollama — to keep your sensitive data off third-party servers.