qr code recognition

Practical guide for full-stack developers and sysadmins to add AI-enhanced barcode/QR scanning to Linux: set up Python, install pyzbar, Pillow, and ZBar, build a Bash-friendly scanner.py to decode images, and expose it via a Flask REST API. Covers benefits (robust reads from damaged/low-quality codes, automation), step-by-step setup, and best practices for security, performance, and reliability, with links for deeper learning.