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nixpkgs/nixos/doc/manual/administration/nixos-state.section.md
nicoo 735481ef6b nixos/doc: Add chapter “necessary system state” 
Suggested in the discussion of #268995.
2023-12-12 23:04:32 +00:00

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NixOS

NixOS itself obviously needs /nix to be persistent, so the system environment can be linked from the nix store during activation.

Moreover, /boot should also be persistent, as it contains the kernel, initrd, and the command-line determining the system environment's path in the nix store.

Lastly, users.mutableUsers should be false, or the following files under /etc should all persist:

  • {manpage}passwd(5) and {manpage}group(5),
  • {manpage}shadow(5) and {manpage}gshadow(5),
  • {manpage}subuid(5) and {manpage}subgid(5).