this post was submitted on 02 Apr 2025
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Well state includes (for most configs I've seen) the persistence of user paswords, known_hosts, wifi auth, /home, /var, nix-channels, nixos-generations, disk encryption passwords, secrets in general, docker/podman, VMs, ...
Except for my home directory, I have a little bit state on my machine, ssh host keys, WiFi credentials, journal logs (I almost want to remove this, but I bet that would bite me in the ass one day)
The root partition is a tmpfs ram disk, and everything not saved in a separate partition, and either mounted or symlinked on to my root partition is lost at shutdown and regenerated at boot. Its less than a second extra to boot, and it uses about 16MB extra memory. Everything is made very convenient through the impermanence nix module and the sops nix module