Upgrading Kubernetes - A Practical Guide

One common question I see on Mastodon and Reddit is "I've inherited a cluster, how do I safely upgrade it". It's surprising that this still isn't a better understood process given the widespread adoption of k8s, but I've had to take over legacy clusters a few times and figured I…

Make a Mastodon Bot on AWS Free Tier

With the recent exodus from Twitter due to Elon being a deranged sociopath, many folks have found themselves moving over to Mastodon. I won't go into Mastodon except to say I've moved over there as well (@[email protected]) and have really enjoyed myself. It's a super nice community and…

TIL Fix missing certificates in Python 3.6 and Up on MacOS

Imagine my surprise when writing a simple Python script on my Mac, I suddenly got SSL errors on every urllib request over HTTPS. I checked the site certificate, looked good. I even confirmed on the Apple help documentation that they included the CAs for this certificate (in this case the…

You can finally delete Docker Desktop

Podman Desktop is here and it works great. When Docker changed their license to the following, it was widely understood that its time as the default local developer tool was coming to an end. Docker Desktop remains free for small businesses (fewer than 250 employees AND less than $10 million…

Passkeys as a tool for user retention

With the release of iOS 16 and MacOS Ventura, we are now in the age of passkeys. This is happening through WebAuthn, a specification written by the W3C and FIDO with the involvement of all of the major vendors such as Google, Mozilla, etc. The basic premise is familiar to…

Stop Optimizing for Tutorials

Can't believe that didn't work as advertised. It always starts the same way. A demo is shown where a previously complex problem set is reduced down to running one Magic Tool. It is often endorsed by one of the Big Tech Companies or maintained by them. Some members of…

The Book of CP-System

New book called "The Book of CP-System" is an amazing trip down the technical memory road of the legendary CPS-1 board that powered classics like "Street Fighter II".…