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== Setup ==
== Setup ==
Add the input <code>determinate</code> and the module <code>determinate.nixosModules.default</code> to your system flake.nix configuration<syntaxhighlight lang="nix">{
 
Add the input <code>determinate</code> and the module <code>determinate.nixosModules.default</code> to your system flake.nix configuration:
 
<syntaxhighlight lang="nix">{
   inputs.determinate.url = "https://flakehub.com/f/DeterminateSystems/determinate/*";
   inputs.determinate.url = "https://flakehub.com/f/DeterminateSystems/determinate/*";
   inputs.nixpkgs.url = "nixpkgs/nixos-25.11";
   inputs.nixpkgs.url = "nixpkgs/nixos-25.11";
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     };
     };
   };
   };
}</syntaxhighlight>After that add the two extra options to your <code>nixos-rebuild</code> command and apply changes<syntaxhighlight lang="bash">
}</syntaxhighlight>
 
After that, add the two extra options to the nixos-rebuild command and apply changes:
 
<syntaxhighlight lang="bash">
sudo nixos-rebuild \
sudo nixos-rebuild \
   --option extra-substituters https://install.determinate.systems \
   --option extra-substituters https://install.determinate.systems \

Revision as of 17:16, 26 September 2026

Determinate Nix is Determinate Systems’ enterprise‑grade, validated downstream distribution of NixOS/Nix that retains full compatibility with upstream Nix while adding performance‑boosting features such as parallel evaluation and lazy trees.

Setup

Add the input determinate and the module determinate.nixosModules.default to your system flake.nix configuration:

{
  inputs.determinate.url = "https://flakehub.com/f/DeterminateSystems/determinate/*";
  inputs.nixpkgs.url = "nixpkgs/nixos-25.11";
 
  outputs = { determinate, nixpkgs, ... }: {
    nixosConfigurations.my-workstation = nixpkgs.lib.nixosSystem {
      system = "x86_64-linux";
      modules = [
        # Load the Determinate module
        determinate.nixosModules.default
      ];
    };
  };
}

After that, add the two extra options to the nixos-rebuild command and apply changes:

sudo nixos-rebuild \
  --option extra-substituters https://install.determinate.systems \
  --option extra-trusted-public-keys cache.flakehub.com-3:hJuILl5sVK4iKm86JzgdXW12Y2Hwd5G07qKtHTOcDCM= \
  --flake ... \
  switch