The following will install single-user on Linux and multi-user on macOS:

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

To install multi-user on Linux:

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

Enable Flakes by creating a file in ~/.config/nix/nix.conf and adding the following:

experimental-features = nix-command flakes

The following will install Nix on either Linux or macOS:

curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install

Flakes should already be enabled after install with this method

nix-shell -P git # If you need access to git
git clone [email protected]:tlein/nix-configs.git ~/.nix-configs

Substitute macos-personal-laptop for current machine's configuration

cd ~/.nix-configs
nix build ".#darwinConfigurations.macos-personal-laptop.system"
./result/sw/bin/darwin-rebuild switch --flake ".#macos-personal-laptop"

cd ~/.nix-configs
nix build ".#nixosConfigurations.macos-personal-laptop.system"
sudo ./result/sw/bin/nixos-rebuild switch --flake ".#mac-ospersonal-laptop"

If the flake.lock needs to be updated:

nix flake update

To rebuild after making changes:

darwin-rebuild build --flake ".#macos-personal-laptop"
darwin-rebuild switch --flake ".#macos-personal-laptop"

sudo nixos-rebuild build --flake ".#macos-personal-laptop"
sudo nixos-rebuild switch --flake ".#macos-personal-laptop"

1. Create a new folder in the hosts folder with the name of the configuration.
2. Inside that folder, create a configuration.nix with a NixOS or Darwin config, and a home.nix with a home manager config.
3. Add a new configuration to either the nixosConfigurations or darwinConfigurations block of the flake.nix, specifying the system type, host (the name of the folder from step 1), and user (to install the home manager config to).

This flake uses the devshell project to easily setup a dev environment when in this project's directory. It adds a few packages to the environment, as well as aliases to format, lint, and build various images.

To enter the devshell without direnv, run

nix develop

If you use direnv, it should become available anytime you are in the directory after running

direnv allow