Adding a layer indicator light to Svalboard

An end-to-end journey of me adding DataHand-style layer indicator to my Svalboard keyboard.

The One True Way™ to handle temporary files

An explainer on how to safely handle temporary files (with mktemp) because I find the other ways highly sub-optimal (read as: dumb).

Serving CA certificates on the cheap

Part III of HAWA series -- how to cheaply (in terms of resources) serve my homegrown Certificate Authority certificates. Especially since the webserver is typically used ~once per device.

Extracting data from Goethe Zertifikat B1 Wortliste pdf

A long-ish story how to use Linux command line utilities to pull off PDF data extraction that seemed impossible without brute-force.

How to recover deleted files from Google Drive

A highly non-intuitive workflow that will save your bacon if you empty Trash in Google Drive.