parenTessaLation<p>Cracked open the packaging on one of my small hoard of new SD cards for this, then realized that the print server already had a card in it, and apparently an OS.</p><p>Booted and logged in thanks to the authentication card my past self left for me (last login over a year ago, no memory of this), and discovered that it was an empty OctoPrint install, seemingly never connected to the printer, but with one or two things set up like the old (Robo3d R1+) printer.</p><p>Attempting to update via the web interface resulted in "everything up to date" even tho it's all from 2020, so looks like I have two SD cards to play with on this.</p><p>The rabbit hole of "find correct OS image to install" is convoluted by the myriad "this is outdated" warnings that scatter the hardware page on the wiki: <a href="https://nixos.wiki/wiki/NixOS_on_ARM#NixOS_installation_.26_configuration" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">nixos.wiki/wiki/NixOS_on_ARM#N</span><span class="invisible">ixOS_installation_.26_configuration</span></a></p><p>There's also the side quest of getting Balena Etcher working on the workstation, since yes <code>dd</code> does work but I'd rather verify on write, thanks: <a href="https://github.com/NixOS/nixpkgs/issues/153537" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/NixOS/nixpkgs/issue</span><span class="invisible">s/153537</span></a></p><p>This is what <a href="https://hackers.town/tags/LibreOps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LibreOps</span></a> looks like. Poking the rabbit hole, seeing how far down it goes, and sometimes throwing a bandaid across it and hoping your future self doesn't fall in too deeply whenever the patch rots through in the future.</p>