Initial commit

This commit is contained in:
Joshua Yuen 2025-07-25 15:23:21 -04:00
commit a3eb62b416
Signed by: josh
GPG Key ID: 502720BC22ED411C
8 changed files with 345 additions and 0 deletions

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.gitignore vendored Normal file
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result
nixos.qcow2

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README.md Normal file
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# Building NixOS VM
`nix build .#nixosConfigurations.nixosvm.config.system.build.vm`
https://gist.github.com/FlakM/0535b8aa7efec56906c5ab5e32580adf

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configuration.nix Normal file
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# Edit this configuration file to define what should be installed on
# your system. Help is available in the configuration.nix(5) man page, on
# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
{ config, lib, pkgs, ... }:
let
nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/26d499fc9f1d567283d5d56fcf367edd815dba1d.tar.gz";
in
{
imports =
[ # Include the results of the hardware scan.
# ./hardware-configuration.nix
./hyprland.nix
];
# Use the systemd-boot EFI boot loader.
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
# Virtual machine options
# virtualisation.vmVariant = {
# virtualisation = {
# memorySize = 8192;
# cores = 8;
# };
# };
networking.hostName = "nixos"; # Define your hostname.
# Pick only one of the below networking options.
# networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
# networking.networkmanager.enable = true; # Easiest to use and most distros use this by default.
# Set your time zone.
time.timeZone = "America/New_York";
# Configure network proxy if necessary
# networking.proxy.default = "http://user:password@proxy:port/";
# networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
# Select internationalisation properties.
i18n.defaultLocale = "en_US.UTF-8";
# console = {
# font = "Lat2-Terminus16";
# keyMap = "us";
# useXkbConfig = true; # use xkb.options in tty.
# };
# 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;
# Drivers
services.xserver.videoDrivers = [
"nvidia"
];
# Configure keymap in X11
# services.xserver.xkb.layout = "us";
# services.xserver.xkb.options = "eurosign:e,caps:escape";
# Enable CUPS to print documents.
# services.printing.enable = true;
# Enable sound.
# hardware.pulseaudio.enable = true;
# OR
# services.pipewire = {
# enable = true;
# pulse.enable = true;
# };
# Enable touchpad support (enabled default in most desktopManager).
# services.libinput.enable = true;
# Define a user account. Don't forget to set a password with passwd.
users.users.josh = {
isNormalUser = true;
initialPassword = "test";
extraGroups = [ "wheel" ]; # Enable sudo for the user.
packages = with pkgs; [
cowsay
lolcat
htop
firefox
pciutils
vim
];
};
# List packages installed in system profile. To search, run:
# $ nix search wget
# environment.systemPackages = with pkgs; [
# vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
# wget
# ];
# 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;
# Copy the NixOS configuration file and link it from the resulting system
# (/run/current-system/configuration.nix). This is useful in case you
# accidentally delete configuration.nix.
# system.copySystemConfiguration = true;
# This option defines the first version of NixOS you have installed on this particular machine,
# and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
#
# Most users should NEVER change this value after the initial install, for any reason,
# even if you've upgraded your system to a new NixOS release.
#
# This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
# so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
# to actually do that.
#
# This value being lower than the current NixOS release does NOT mean your system is
# out of date, out of support, or vulnerable.
#
# Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
# and migrated your data accordingly.
#
# For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
system.stateVersion = "24.05"; # Did you read the comment?
}

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flake.lock Normal file
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{
"nodes": {
"nixpkgs": {
"locked": {
"lastModified": 1753345091,
"narHash": "sha256-CdX2Rtvp5I8HGu9swBmYuq+ILwRxpXdJwlpg8jvN4tU=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "3ff0e34b1383648053bba8ed03f201d3466f90c9",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixos-25.05",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"nixpkgs": "nixpkgs"
}
}
},
"root": "root",
"version": 7
}

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flake.nix Normal file
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{
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
};
outputs = { self, nixpkgs, ... }:
let
system = "x86_64-linux";
in
{
nixosConfigurations.nixos = nixpkgs.lib.nixosSystem {
modules = [
{ nix.settings.experimental-features = ["nix-command" "flakes"]; }
./configuration.nix
];
};
nixosConfigurations.nixosvm = nixpkgs.lib.nixosSystem {
inherit system;
modules = [
{
nix.settings.experimental-features = ["nix-command" "flakes"];
virtualisation.vmVariant = {
virtualisation = {
memorySize = 8192;
cores = 8;
};
};
}
./configuration.nix
];
};
};
}

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# Do not modify this file! It was generated by nixos-generate-config
# and may be overwritten by future invocations. Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, modulesPath, ... }:
{
imports =
[ (modulesPath + "/installer/scan/not-detected.nix")
];
boot.initrd.availableKernelModules = [ "nvme" "usbhid" ];
boot.initrd.kernelModules = [ ];
boot.kernelModules = [ "kvm-amd" ];
boot.extraModulePackages = [ ];
fileSystems."/" =
{ device = "/dev/disk/by-uuid/1b805e8b-8c98-4822-ab83-4985313edde2";
fsType = "btrfs";
options = [ "subvol=@" ];
};
fileSystems."/.snapshots" =
{ device = "/dev/disk/by-uuid/1b805e8b-8c98-4822-ab83-4985313edde2";
fsType = "btrfs";
options = [ "subvol=@.snapshots" ];
};
fileSystems."/home" =
{ device = "/dev/disk/by-uuid/1b805e8b-8c98-4822-ab83-4985313edde2";
fsType = "btrfs";
options = [ "subvol=@home" ];
};
fileSystems."/var/cache/pacman/pkg" =
{ device = "/dev/disk/by-uuid/1b805e8b-8c98-4822-ab83-4985313edde2";
fsType = "btrfs";
options = [ "subvol=@pkg" ];
};
fileSystems."/var/log" =
{ device = "/dev/disk/by-uuid/1b805e8b-8c98-4822-ab83-4985313edde2";
fsType = "btrfs";
options = [ "subvol=@log" ];
};
fileSystems."/boot" =
{ device = "/dev/disk/by-uuid/14F8-5905";
fsType = "vfat";
options = [ "fmask=0022" "dmask=0022" ];
};
fileSystems."/misc" =
{ device = "/etc/autofs/auto.misc";
fsType = "autofs";
};
fileSystems."/net" =
{ device = "-hosts";
fsType = "autofs";
};
swapDevices = [ ];
# Enables DHCP on each ethernet and wireless interface. In case of scripted networking
# (the default) this is the recommended approach. When using systemd-networkd it's
# still possible to use this option, but it's recommended to use it in conjunction
# with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
networking.useDHCP = lib.mkDefault true;
# networking.interfaces.br-31542a7e57f0.useDHCP = lib.mkDefault true;
# networking.interfaces.br-69965655bcab.useDHCP = lib.mkDefault true;
# networking.interfaces.br-7032ce7b26c2.useDHCP = lib.mkDefault true;
# networking.interfaces.br-733a8e75a123.useDHCP = lib.mkDefault true;
# networking.interfaces.br-88821a6825f9.useDHCP = lib.mkDefault true;
# networking.interfaces.br-9876c096cccf.useDHCP = lib.mkDefault true;
# networking.interfaces.br-ce1af49d610b.useDHCP = lib.mkDefault true;
# networking.interfaces.docker0.useDHCP = lib.mkDefault true;
# networking.interfaces.enp14s0.useDHCP = lib.mkDefault true;
# networking.interfaces.virbr0.useDHCP = lib.mkDefault true;
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
}

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{ config, lib, pkgs, ... }:
{
programs.hyprland = {
enable = true;
withUWSM = true;
xwayland.enable = true;
};
services.xserver.displayManager.gdm = {
enable = true;
wayland = true;
};
xdg.portal = {
enable = true;
extraPortals = [
pkgs.xdg-desktop-portal-gtk
];
};
hardware = {
graphics.enable = true;
};
environment = {
systemPackages = [
pkgs.kitty
pkgs.waybar
pkgs.dunst
pkgs.libnotify
pkgs.swww
pkgs.rofi-wayland
pkgs.networkmanager
pkgs.networkmanagerapplet
];
sessionVariables = {
NIXOS_OZONE_WL = "1";
};
};
}

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echo "Removing old qcow2 disk ..."
rm -f ./nixos.qcow2
echo "Building new VM ..."
nix build .#nixosConfigurations.nixosvm.config.system.build.vm
echo "Done!"