I just installed Nix and have been trying to create a starter nix flake and can’t get it to compile. I am getting a “Path does not exist error.” Below is the information I think will help (thanks in advance):
Flake.nix
{
description = "My flake";
inputs = {
nixpkgs-unstable.url = "github:nixos/nixpkgs?ref=nixos-unstable";
nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-25.05";
home-manager.url = "github:nix-community/home-manager";
home-manager.inputs.nixpkgs.follows = "nixpkgs-unstable";
};
outputs = { self, nixpkgs-unstable, nixpkgs-stable, home-manager, ... } @ inputs:
{
nixosConfigurations = {
legion5g8 = nixpkgs-unstable.lib.nixosSystem {
system = "x86_64-linux";
modules = [
./hosts/legion5g8/configuration.nix
./hosts/legion5g8/hardware-configuration.nix
# Overlay to expose stable as pkgs.stable
({ config, pkgs, ... }: {
nixpkgs.overlays = [
(final: prev: {
stable = import nixpkgs-stable {
system = "x86_64-linux";
config.allowUnfree = true;
};
})
];
nixpkgs.config.allowUnfree = true;
})
home-manager.nixosModules.home-manager
{
home-manager.useGlobalPkgs = true;
home-manager.useUserPackages = true;
# home-manager.users.ben = import;
}
];
};
};
};
}
nix flake show .
git+file:///home/ben/nix-config
└───nixosConfigurations
└───legion5g8: NixOS configuration
[ben@nixos:~/nix-config/hosts/legion5g8]$
{ config, pkgs, ... }:
{
imports =
[ # Include the results of the hardware scan.
./hardware-configuration.nix
];
# Bootloader.
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
# Use latest kernel.
boot.kernelPackages = pkgs.linuxPackages_latest;
networking.hostName = "legion5g8";
# networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
# Configure network proxy if necessary
# networking.proxy.default = "http://user:password@proxy:port/";
# networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
# Enable networking
networking.networkmanager.enable = true;
# Set your time zone.
time.timeZone = "America/Indiana/Indianapolis";
# Select internationalisation properties.
i18n.defaultLocale = "en_US.UTF-8";
i18n.extraLocaleSettings = {
LC_ADDRESS = "en_US.UTF-8";
LC_IDENTIFICATION = "en_US.UTF-8";
LC_MEASUREMENT = "en_US.UTF-8";
LC_MONETARY = "en_US.UTF-8";
LC_NAME = "en_US.UTF-8";
LC_NUMERIC = "en_US.UTF-8";
LC_PAPER = "en_US.UTF-8";
LC_TELEPHONE = "en_US.UTF-8";
LC_TIME = "en_US.UTF-8";
};
# Enable the X11 windowing system.
services.xserver.enable = true;
# Enable the GNOME Desktop Environment.
#services.xserver.displayManager.gdm.enable = true;
#services.xserver.desktopManager.gnome.enable = true;
services.xserver.desktopManager.budgie.enable = true;
services.xserver.displayManager.lightdm.enable = true;
# Configure keymap in X11
services.xserver.xkb = {
layout = "us";
variant = "";
};
# Enable CUPS to print documents.
services.printing.enable = true;
# Enable sound with pipewire.
services.pulseaudio.enable = false;
security.rtkit.enable = true;
services.pipewire = {
enable = true;
alsa.enable = true;
alsa.support32Bit = true;
pulse.enable = true;
# If you want to use JACK applications, uncomment this
#jack.enable = true;
# use the example session manager (no others are packaged yet so this is enabled by default,
# no need to redefine it in your config for now)
#media-session.enable = true;
};
# Enable OpenGL hardware support.
hardware.opengl = {
enable = true;
driSupport32Bit = true;
};
# Enable the Nvidia driver.
services.xserver.videoDrivers = [ "amdgpu" "nvidia"];
hardware.nvidia = {
modesetting.enable = true;
powerManagement.enable = true;
powerManagement.finegrained = true;
open = false;
nvidiaSettings = true;
package = config.boot.kernelPackages.nvidiaPackages.stable;
# PRIME offloading is what enables hybrid graphics on a laptop
prime = {
offload = {
enable = true;
enableOffloadCmd = true;
};
# lspci | grep -E "VGA|3D"
amdgpuBusId = "PCI:06:00:0";
nvidiaBusId = "PCI:01:00:0";
};
};
boot.initrd.kernelModules = [ "amdgpu"];
# example below says "use dedicated Nvidia for steam"
# nvidia-offload steam
# Enable touchpad support (enabled default in most desktopManager).
# services.xserver.libinput.enable = true;
virtualisation.docker.enable = true;
#hardware.nvidia-container-toolkit.enable = true;
# Define a user account. Don't forget to set a password with ‘passwd’.
users.users.ben = {
isNormalUser = true;
description = "ben";
extraGroups = [ "networkmanager" "wheel" "docker"];
packages = with pkgs; [
# thunderbird
];
};
# Install firefox.
programs.firefox.enable = true;
nix.settings = {
experimental-features = [ "nix-command" "flakes"];
};
# List packages installed in system profile. To search, run:
# $ nix search wget
environment.systemPackages = with pkgs; [
micro # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
wget
jujutsu
helix
ghostty
pciutils
gitFull
];
# Some programs need SUID wrappers, can be configured further or are
# started in user sessions.
# programs.mtr.enable = true;
# programs.gnupg.agent = {
# enable = true;
# enableSSHSupport = true;
# };
# List services that you want to enable:
# Enable the OpenSSH daemon.
# services.openssh.enable = true;
# Open ports in the firewall.
# networking.firewall.allowedTCPPorts = [ ... ];
# networking.firewall.allowedUDPPorts = [ ... ];
# Or disable the firewall altogether.
# networking.firewall.enable = false;
# This value determines the NixOS release from which the default
# settings for stateful data, like file locations and database versions
# on your system were taken. It‘s perfectly fine and recommended to leave
# this value at the release version of the first install of this system.
# Before changing this value read the documentation for this option
# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
system.stateVersion = "25.05"; # Did you read the comment?
}