Papa's Homelab Story

My three-year-old daughter has a favorite show. Baby Shark. She could watch it every day, and often does. Last week, I showed her something new. Fifteen short videos of herself as a baby — the first year of her life, played one after another. She sat still for one hour. Smiling, then laughing out loud, then quiet and focused. She didn’t ask for Baby Shark once. My wife was watching from across the room. She didn’t say much. She didn’t need to. ...

In the same week, I bought two computers from the same company. One was a Lenovo laptop — a nice everyday machine I picked up at Costco. The other was a Lenovo tablet, bought to be a small home server. They had the same 128 GB of storage. And the tablet cost less than a third of what the laptop did. That gap made me stop and think. Not because the laptop was a bad deal — it wasn’t. But it showed me something I’d never really thought about. For the job of being a server, most of what you pay for in a “real” computer just sits there unused. ...

My three-year-old daughter would press play in Kids Player and wait ten seconds for the sound to start. That wait is why I upgraded my NAS from 2 GB to 10 GB of RAM. So: did it work? The honest answer is two answers. On paper, the upgrade was a triumph. In daily life, it made things about one second better. Both are true, and the gap between them is the most useful thing I learned. ...

In the last post, I ordered an 8 GB RAM module for my Synology DS224+. I paid ₩76,000 (about $55) instead of ₩68,000 (about $49) for a bulk one, because I wanted to avoid a used or unpackaged module. Then it arrived. A plain brown box. Inside, a bare green board wrapped in a sheet of foil and some bubble wrap. No Samsung retail box. No sealed blister. It was bulk after all. ...

Here’s a question that sounds odd at first. Could the cheapest, smallest, quietest computer in your house be your home server? Not a Raspberry Pi. Not a NAS. Not an old laptop on a shelf, fan going, getting warm. I mean an ordinary Android tablet — the kind you’d hand a three-year-old to watch cartoons. It turns out it can, and I’ve been running one this way for a while. A $100 tablet sits in my home right now, plugged into the wall. It runs a real Linux server that serves audio to a web app, over its own secure web address. It’s silent, about the size of a paperback, and it uses very little power. I’m as comfortable leaving it on as I am leaving my phone on. ...

For months, my home server ran nine apps on 2 GB of RAM. I kept expecting something to break. It didn’t. Load average sat around 0.2. Apps loaded. Nobody complained. I started to think 2 GB was just enough, and left it at that. Then one afternoon my three-year-old pressed the play button on Kids Player. Nothing happened. She pressed it again. Still nothing. About twelve seconds later, the audio started. ...

My wife has a habit I love. Every morning, before the day starts, she listens to a Bible teacher she has followed for years. It’s not the Sunday message from our church. It’s something quieter and more personal — a set of recordings she comes back to again and again. They calm her. There was one problem. To listen, she had to open the file manager on her phone, scroll through a long list of audio files with odd names, and tap the right one from memory. No order. No search. No “play the next one.” If she wanted a certain teaching, she usually couldn’t find it. ...

Every parent knows this feeling. You hand your child a tablet to show them one video you picked. One tap later, the app has carried them off somewhere else — loud videos, ads, and “recommended” clips chosen by an algorithm that doesn’t know or care about your child. I didn’t want that for my daughter. I also didn’t want to pay a monthly fee, make another account, or hand my child’s attention to another company. ...