Declaratively (or otherwise) add trusted users in 21.11?

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1

In 22.11 you can do this in configuration.nix (ref https://search.nixos.org/options?show=nix.settings.trusted-users&query=nix.settings.trusted-users:

nix.settings.trusted-users = [ "username" ];

but that option is not in 21.11. How can I accomplish the same goal while stuck on 21.11? (See this other thread for why I’m stuck on 21.11.)

A couple of related questions:

  1. Can I find https://nixos.org/manual/nixos/stable/ but for a previous version of NixOS? Now that link shows documentation for 22.11.
  2. https://search.nixos.org/packages seems to only be available for 22.11 and unstable. Is there any way to use that for previous versions?
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You should able to use:

nix.trustedUsers = [ "root" "@wheel" ];

I do not know how to find the previous manual on the internet but nixos’ documentation option can allow you to install a man page and an html copy of the documentation

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3

You might need to just use nix.extraOptions.