Through the experience of building infrastructure as a solo developer, this article explains why deployment safety nets such as Git, tests, and Docker tags matter. It is a growth story about a post-breakup company incident report and the realization that CI/CD is necessary.
A step-by-step guide to Server Security Basics: SSH hardening (port change, key authentication), firewall (UFW), HTTPS (Let’s Encrypt), and Fail2Ban. A practical guide based on a solo developer’s real brute-force attack experience.
This article explains what servers and Linux really are, why servers use Linux instead of Windows because of GUI overhead and stability, and how the inefficiency of virtual machines builds up to the need for Docker.
A beginner-friendly breakdown of the 2026 AI coding tool landscape. From the Big Three (GPT/Gemini/Claude) to Copilot and Cursor — a simple guide for anyone who doesn’t know where to start.
Understand the relationship between Programming Languages and Frameworks. Learn how mastering one language like Java helps you conquer Python and others through Concept Transfer.
A confession of a CS Major who lacked CS Fundamentals. Realizing the limits of rote memorization, I start a journey to relearn Linux, DevOps, and basics.