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Title Breathing New Life Into Nano: Your Forgotten Terminal Companion Deserves a Second Chance Introduction The first time I watched a colleague code in nano, I nearly gasped aloud. We’d just lost SSH access to a critical production server, and there he was—calmly editing firewall rules in this relic of a text editor while our Slack channel erupted in panic. “You’re using nano?!” I blurted, my cursor frozen in VS Code’s familiar embrace. [Read More]

Comprehensive Crash Course: Postfix, Dovecot, and Webmail Clients Setting up a reliable email server involves a mix of components that ensure smooth communication and secure access. Postfix (Mail Transfer Agent), Dovecot (Mail Delivery Agent), and webmail clients like Roundcube, SnappyMail, and Rainloop work in tandem to create a functional, user-friendly email system. In this guide, we’ll explore how these pieces come together to handle everything from sending and receiving messages to securely storing and retrieving them. [Read More]

Enhanced Guide: Streamlit Project Structure and Environment Setup This comprehensive guide offers an optimized approach to organizing a Streamlit application, establishing separate environments for development and production, and maintaining an efficient deployment pipeline. By adhering to these best practices, you ensure a maintainable, scalable, and portable project structure that facilitates seamless development and deployment. Table of Contents Enhanced Guide: Streamlit Project Structure and Environment Setup Table of Contents Project Structure Overview Dependency Management Production Dependencies (requirements. [Read More]

You have an existing production setup where Nginx is serving a Hugo static site, and you want to deploy future applications (like Flask) using Docker containers. Here’s why and how this approach works, giving you flexibility, isolation, and scalability while maintaining your current architecture. Why This Approach Works The key idea is that Nginx serves as a reverse proxy, which allows it to route incoming traffic to different applications based on the URL path or subdomain. [Read More]

Introduction As someone who works in software and systems engineering, you sometimes run into those deeply frustrating issues that feel like they’re consuming more time and energy than they should. Recently, I faced one of these moments with my Moodle and Streamlit applications running on Nginx, which both suddenly stopped working properly. The issues started small — slow load times, occasional failure to load a page, and eventually, full-on timeouts. Nginx kept throwing alerts in the error logs about open sockets, and my pages would refuse to load. [Read More]