September 2026

Sep 26

What I learned running my own little social network This summer I set up a small social network for a music community — people who took the same college courses I did, plus anyone else interested in the science of musical sound. Not a Facebook group.… 7 min read

Sep 25

Counting contact-form leads with self-hosted Matomo, no cookies I launched a small services site this week, care.joehahn.dev, and I wanted exactly one number out of it: how many people sent the contact form. Not a funnel. Not a heatmap. One count, from my own… 5 min read

Sep 24

You can follow this website Open Mastodon and search for `@joe@joehahn.dev`. You'll find my website sitting there like a person. Follow it, and everything I publish shows up in your timeline. No newsletter. No feed reader you… 5 min read

Sep 23 #herdr

Session 0: where your SSH terminal sessions go to hide **TL;DR.** Windows runs SSH sessions in a separate, invisible place called Session 0. Terminal sessions you start over SSH keep running there, but your desktop can't see them and will tell you… 5 min read

Sep 06

The cat printer in CTP-500 clothing I got an F in handwriting in second grade. Part of that was the tri-colored-lead pencil (a C was the honest grade), but the trajectory held. Decades later my handwriting is still bad enough that my… 7 min read