Zero-Downtime Nginx to Caddy Migration: A Homelab Step-by-Step Guide

Susiloharjo

Migrating your homelab reverse proxy from Nginx to Caddy is way easier than it sounds—especially when you do it without downtime. Below is a straight-to-the-point guide you can copy-paste into WordPress. No Markdown, just clear steps and bullet points. What you’ll get out of this post – Full backup of every Nginx config and TLS … Read more

Rethinking AI Through the Lens of the Humanities

Susiloharjo

In a world where artificial intelligence (AI) is rapidly weaving itself into the fabric of everyday life—from healthcare decisions to creative endeavors—a groundbreaking white paper titled Doing AI Differently calls for a paradigm shift. Released by The Alan Turing Institute, the University of Edinburgh, and the UK’s Arts & Humanities Research Council (AHRC-UKRI), this document … Read more

How to Build an AI That Truly Works as a Learning Companion

Susiloharjo

Artificial Intelligence has the potential to revolutionize education — but only if it’s designed with the right principles in mind. An effective AI learning companion isn’t just a “question-answer machine.” It should guide, challenge, and inspire learners while also supporting educators. Here’s what it takes to make that happen. 1. Personalized Tutoring and Guidance The … Read more

MoE Showdown: Qwen3 30B-A3B vs GPT-OSS 20B – What Developers Need to Know

Susiloharjo

In the fast-evolving world of large language models (LLMs), the Mixture-of-Experts (MoE) architecture has emerged as a game-changer—offering high performance without the massive computational cost of fully dense models. Two recent heavyweights—Alibaba’s Qwen3 30B-A3B and OpenAI’s GPT-OSS 20B—are pushing the boundaries of what MoE models can do. Released in 2025, these models represent two distinct … Read more

10 curl Commands Every Sysadmin Should Automate to Save Hours of Work

Susiloharjo

Ever catch yourself doing the same boring server checks every single morning? Same here—until I started scripting those chores away with a tool that’s already on every Linux box: curl. Most people think it’s just for downloading files or poking a website, but it’s actually a Swiss-army knife for talking to APIs, monitoring services, and … Read more

Pandas for Beginners: From Zero to Hero in 3 Simple Steps

Susiloharjo

Ever feel like you’re the only one in the room who still doesn’t “get” Pandas? Let’s fix that right now. This quick-start guide will walk you through the three things that actually matter—reading, cleaning, and analyzing data—without the usual jargon headache. Why Most Newbies Freeze Up Pandas looks scary because tutorials love to dump 50 … Read more