Linux and CI work that keep toolchain systems trustworthy.

The terminal window is not one process. Six layers from key to kernel, copies of environment, pipes, signals, and who actually holds the TTY—plus commands you can run to prove it.

23 min·Linux · Terminal

Python’s slogan is a runtime contract, not poetry: values are objects with identity, type, and payload; names are bindings, not typed boxes. What it means, where it is honest, and where it bends.

6 min·Python · Systems

A dense, honest pass over YAML as the language of pipelines: structure, types, gotchas, and the patterns that show up in GitHub Actions, GitLab CI, and Jenkins-adjacent configs, so continuous testing YAML stops looking like magic.

8 min·YAML · CICD

A working breakdown of the von Neumann (stored-program) model: shared memory for code and data, CPU control and ALU, I/O, the system bus, the fetch–decode–execute cycle, the von Neumann bottleneck, and how the idea shows up (and is bent) on modern MCUs.

7 min·Computer Architecture · Foundations

tmux is a programmable session layer that decouples long-running work from the window you happen to be looking through. A how-to for junior engineers: four production situations, the expert mindset, and a complete script that builds a workspace without attaching too soon.

10 min·Linux · tmux