Linsomniac's Articles

uv is becoming really useful, but I noticed there is no apt repo/PPA of it. I decided I wanted to try publishing an apt package repository via Github Pages. The LLMs got me started, but there were a lot of little things to work out, so here’s a complete recipe.

While reviewing Hynek’s awesome “Production-ready Python Docker Containers with uv” article, I made some changes to the final container. Here’s my proposal for changes.

An important part of setting up an Elasticsearch cluster is to configure snapshots. I recently set up snapshots to Backblaze B2, an affordable alternative to AWS S3. This is a complete example of configuring them.

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I had a piece of code that was deeply nested for loops, and I wanted to see what it could look like if it wasn’t deeply nested. Deep nesting is the root of all evil, you know. Which is the most clear, maintainable code?

I often write little CLI programs in Python, where I just want to call it “script” rather than “script.py”. I also want to be able to test functions in these scripts. It gets tricky if you want to test code from a file without a “.py” suffix.

I spent quite a bit of time while I was learning Headscale being confused about users. Here are some key points that helped me understand them.

Headscale CLI requires that you remove a node by id rather than name. jq to the rescue!

Watching the discussion about ChatGPT reminds me of the early days of Google. I’m thinking back to when it was under the Stanford domain and opinions of it since.

In the past I’ve run socat as a daemon to run a shell command and send the output to a socket. It works well, but I wanted to try the systemd way of doing what “xinetd” has done in the past: Run a command and send the output to a socket.