Streaming services delete what you bought. Manufacturers glue the battery in and pair the parts to the mainboard. Cloud storage reads your files. None of that is inevitable — it's just the default, and defaults can be replaced. This is a working log of replacing them.
A licence is not a purchase. What actually disappears, why the “Buy” button is a lie, and the case for keeping a copy on a disk you control.
Naming, structure, metadata, hardlinks, and backups. The boring decisions that determine whether your collection is still usable in ten years.
Interface binding, network namespaces, and kill switches that actually hold when the tunnel drops — plus how to prove yours works instead of hoping.
Parts pairing, serialised components, and firmware locks. Why the screwdriver stopped being enough, and what still works.