refactor: change structure and start using home-manager

hosts/default/configuration.nix

@@ -0,0 +1,142 @@
+# 0x29a nixos conifg
+
+{ pkgs, lib, inputs, ... }:
+
+{
+  imports =
+    [ 
+      ./hardware-configuration.nix
+      inputs.home-manager.nixosModules.default
+    ];
+
+  # use flakes
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+  # configure bootloader
+  boot.loader.systemd-boot.enable = false;
+  boot.loader.grub = {
+    enable = true;
+    device = "nodev";
+    efiSupport = true;
+  };
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.kernelParams = [
+    "quiet"
+    "console.ttyS0,115200n8" # allow terminals on serial console
+  ];
+  # plymouth boot eye candy
+  boot.initrd.systemd.enable = true;
+  boot.plymouth.enable = true;
+  boot.plymouth.theme = "spinner";
+  # use latest kernel
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  # guest agent for proxmox
+  services.qemuGuest.enable = true;
+
+  # networking
+  networking.hostName = "nixos"; 
+  networking.networkmanager.enable = true;
+
+  # time zone.
+  time.timeZone = "Europe/Amsterdam";
+  # 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";
+  };
+  console = {
+    font = "Lat2-Terminus16";
+    keyMap = "de_CH-latin1";
+  };
+
+  # xserver config
+  services.xserver = {
+    enable = true;
+    xkb.layout = "ch";
+    xkb.options = "eurosign:e,caps:escape";
+    windowManager.i3 = {
+      enable = true;
+      extraPackages = with pkgs; [
+        dmenu
+        i3status
+      ];
+    };
+  };
+  
+  # window manager configs
+  services.displayManager.defaultSession = "none+i3";
+  programs.i3lock.enable = true;
+  environment.pathsToLink = [ "/libexec" ];
+  environment.variables.EDITOR = "vim";
+
+  # enable sound
+  services.pipewire = {
+     enable = true;
+     pulse.enable = true;
+  };
+
+  # define a user account
+  users.users.aaron = {
+    isNormalUser = true;
+    group = "users";
+    extraGroups = [ "wheel" ];
+    shell = pkgs.zsh;
+    packages = with pkgs; [
+      tree
+      fastfetch
+    ];
+  };
+
+  # browser
+  programs.firefox.enable = true;
+
+  # zsh config
+  programs.zsh = {
+    enable = true;
+    enableCompletion = true;
+    autosuggestions.enable = true;
+    ohMyZsh = {
+      enable = true;
+      plugins = [ "git" "sudo" "python" "ansible" ];
+      theme = "agnoster";
+    };
+  };
+
+  # system packages
+  environment.systemPackages = with pkgs; [
+    vim
+    neovim
+    git
+    ghostty
+    kitty
+    wget
+    gnupg
+  ];
+
+  # Some programs need SUID wrappers
+  programs.mtr.enable = true;
+  programs.gnupg.agent = {
+     enable = true;
+     enableSSHSupport = true;
+  };
+
+  # enable the OpenSSH daemon
+  services.openssh.enable = true;
+
+  # firewall configs
+  networking.firewall.allowedTCPPorts = [ 22 ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+
+  # install state version
+  system.stateVersion = "25.05"; # Don't change
+}
+

hosts/default/hardware-configuration.nix

@@ -0,0 +1,40 @@
+# 0x29a nixos hardware configuration
+
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  # boot and initrd configs
+  boot.initrd.availableKernelModules = [ "uhci_hcd" "ehci_pci" "ahci" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" "cryptd" ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+  boot.initrd.luks.devices."cryptroot".device = "/dev/disk/by-label/nixcrypt";
+
+  # file systems
+  fileSystems."/" =
+    { device = "/dev/disk/by-label/nixroot";
+      fsType = "ext4";
+    };
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-label/nixboot";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+  fileSystems."/home" =
+    { device = "/dev/disk/by-label/nixhome";
+      fsType = "ext4";
+    };
+  swapDevices =
+    [ { device = "/dev/disk/by-label/nixswap"; }
+    ];
+
+  # enable dhcp on all interfaces
+  networking.useDHCP = lib.mkDefault true;
+
+  # set host arch
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

hosts/default/home.nix

@@ -0,0 +1,112 @@
+{ config, pkgs, ... }:
+
+{
+  # Home Manager needs a bit of information about you and the paths it should
+  # manage.
+  home.username = "aaron";
+  home.homeDirectory = "/home/aaron";
+
+  # This value determines the Home Manager release that your configuration is
+  # compatible with. This helps avoid breakage when a new Home Manager release
+  # introduces backwards incompatible changes.
+  #
+  # You should not change this value, even if you update Home Manager. If you do
+  # want to update the value, then make sure to first check the Home Manager
+  # release notes.
+  home.stateVersion = "25.05"; # Please read the comment before changing.
+
+  # The home.packages option allows you to install Nix packages into your
+  # environment.
+  home.packages = with pkgs; [
+    # # Adds the 'hello' command to your environment. It prints a friendly
+    # # "Hello, world!" when run.
+    # pkgs.hello
+
+    # # It is sometimes useful to fine-tune packages, for example, by applying
+    # # overrides. You can do that directly here, just don't forget the
+    # # parentheses. Maybe you want to install Nerd Fonts with a limited number of
+    # # fonts?
+    # (pkgs.nerdfonts.override { fonts = [ "FantasqueSansMono" ]; })
+
+    # # You can also create simple shell scripts directly inside your
+    # # configuration. For example, this adds a command 'my-hello' to your
+    # # environment:
+    # (pkgs.writeShellScriptBin "my-hello" ''
+    #   echo "Hello, ${config.home.username}!"
+    # '')
+    fastfetch
+    zip
+    xz
+    unzip
+    p7zip
+    jq
+    mtr
+    iperf3
+    dnsutils
+    ldns
+    socat
+    nmap
+    cowsay
+    file
+    which
+    tree
+    zstd
+    gnupg
+    btop
+    iotop
+    iftop
+    strace
+    ltrace
+    lsof
+    sysstat
+    lm_sensors
+    ethtool
+    pciutils
+    usbutils
+  ];
+
+  # configure git
+  programs.git.settings = {
+    enable = true;
+    userName = "aaron";
+    userEmail = "aaron@0x29a.ch";
+  };
+
+  # Home Manager is pretty good at managing dotfiles. The primary way to manage
+  # plain files is through 'home.file'.
+  home.file = {
+    # # Building this configuration will create a copy of 'dotfiles/screenrc' in
+    # # the Nix store. Activating the configuration will then make '~/.screenrc' a
+    # # symlink to the Nix store copy.
+    # ".screenrc".source = dotfiles/screenrc;
+
+    # # You can also set the file content immediately.
+    # ".gradle/gradle.properties".text = ''
+    #   org.gradle.console=verbose
+    #   org.gradle.daemon.idletimeout=3600000
+    # '';
+  };
+
+  # Home Manager can also manage your environment variables through
+  # 'home.sessionVariables'. These will be explicitly sourced when using a
+  # shell provided by Home Manager. If you don't want to manage your shell
+  # through Home Manager then you have to manually source 'hm-session-vars.sh'
+  # located at either
+  #
+  #  ~/.nix-profile/etc/profile.d/hm-session-vars.sh
+  #
+  # or
+  #
+  #  ~/.local/state/nix/profiles/profile/etc/profile.d/hm-session-vars.sh
+  #
+  # or
+  #
+  #  /etc/profiles/per-user/aaron/etc/profile.d/hm-session-vars.sh
+  #
+  home.sessionVariables = {
+    # EDITOR = "emacs";
+  };
+
+  # Let Home Manager install and manage itself.
+  programs.home-manager.enable = true;
+}