nix.dev/source/tutorials/install-nix.md

(install-nix)=

Install Nix

Linux

Install Nix via the recommended multi-user installation:

$ sh <(curl -L https://nixos.org/nix/install) --daemon

:::{note} For security you may want to verify the installation script using GPG signatures. :::

:::{note} If using fish shell there is different syntax for process substitution:

$ sh (curl -L https://nixos.org/nix/install | psub) --daemon

:::

macOS

Install Nix via the recommended multi-user installation:

$ sh <(curl -L https://nixos.org/nix/install)

:::{note} For security you may want to verify the installation script using GPG signatures. :::

:::{note} If using fish shell there is different syntax for process substitution:

$ sh (curl -L https://nixos.org/nix/install | psub)

:::

Windows (WSL2)

Install Nix via the recommended single-user installation:

$ sh <(curl -L https://nixos.org/nix/install) --no-daemon

However, if you have systemd support enabled, install Nix via the recommended multi-user installation:

$ sh <(curl -L https://nixos.org/nix/install) --daemon

:::{note} For security you may want to verify the installation script using GPG signatures. :::

:::{note} If using fish shell there is different syntax for process substitution:

$ sh (curl -L https://nixos.org/nix/install | psub) --daemon

:::

Docker

Start a Docker shell with Nix:

$ docker run -it nixos/nix

Or start a Docker shell with Nix exposing a workdir directory:

$ mkdir workdir
$ docker run -it -v $(pwd)/workdir:/workdir nixos/nix

The workdir example from above can be also used to start hacking on Nixpkgs:

$ git clone git@github.com:NixOS/nixpkgs
$ docker run -it -v $(pwd)/nixpkgs:/nixpkgs nixos/nix
bash-5.1# nix-build -I nixpkgs=/nixpkgs -A hello
bash-5.1# find ./result # this symlink points to the build package

Verify installation

Check the installation by opening a new terminal and typing:

$ nix --version
nix (Nix) 2.11.0