How to actually measure your CDN from the Linux command line
A fast load time on the laptop you happen to be sitting in front of is not evidence that your content delivery network (CDN) is working for the rest of the planet.…
Open Source
Articles about open source software and projects
124 articles
Seven free climate and weather data tools I have used
Climate science runs on data. A single weather station records temperature, pressure, humidity, and wind speed every minute. A satellite records dozens of channels across the electromagnetic spectrum, every few seconds, for…
Patch a mixed Linux fleet: what keeps slipping and how to see it
Patching a single Linux machine is the easy part. You run its package manager (the tool that installs, updates, and removes software on a Linux system), reboot if the kernel changed, and…
Sixteen free Linux screenshot tools I keep coming back to
The first thing I install on a fresh Linux box is something to take screenshots with. Not because I write about software for a living, although that is part of it, but…
Set Codex CLI’s sandbox flags before you let it touch anything
OpenAI’s Codex CLI is the company’s terminal coding agent. It reads files, runs commands, and edits your repository. It is fast, it understands a large context window, and it can be wrong…
Picking the right Bluetooth manager for your Linux desktop
Linux Bluetooth support is rarely the thing that breaks. BlueZ has shipped in the kernel for years, and most modern distributions will pair a phone or headset the moment you click the…
Twelve Linux notebooks, three that earned a permanent install
I have spent the last month keeping a fresh Linux install on a secondary laptop and trying every data science notebook I could get running on it. Not a click through the…
Siemens spent ten years before publishing their design system
I have spent most of my career inside small companies, so the Siemens Element story catches my attention every time. A 1000 product enterprise codebase did not become a public open source…
frp reaches the home server you can’t port forward to
frp is a fast reverse proxy written in Go that builds a tunnel between a machine behind NAT and a public server you already control. The tunnel is outbound, which is the…
Sovereign documents in 2026 mean more than picking a different vendor
Most conversations about “digital sovereignty” treat it as a procurement decision. Pick a different vendor, sign a new contract, declare the dependency over. The architecture underneath the choice does not get the…