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I believe that GitHub free for public only repo model is the reason why we have a lot of pet projects published, most of which were not really intended to be published to begin with.
I've always been hesitant to use this method over debootstrap: the Ubuntu container images ("FROM ubuntu:20.04") are created from a tarball that Ubuntu's convoluted CI system spits out and I'm not confident I understand if it's somehow suitable only for a container and not for real hardware.
https://github.com/systemd/mkosi
However beware that they break backwards compatibility almost every 6 months. This is probably the most backwards-incompable project I know, you can't rely that the minor version update won't break your projects.
Getting the credentials loaded could be a bit of a pain without a camera for QR code scanning. Easiest solution would be via Bluetooth to a companion app, which you would probably want anyway for periodic time sync (likely wouldn't be worth it to embed a GNSS receiver just to update the time).
Probably be a pretty small market, but as a niche Kickstarter device? I could see a small but loyal customer base.
I translate a bunch of open-source software, if the translation is on weblate, transifex or crowdin.
I never going to translate .po files directly. It's just not worth it.
Blast from the past. The 1990's and 2000's were a different time.
Does anybody know how many active projects are still left there? And who wound up owning them after Slashdot?