init

.gitignore

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+*.qcow2
+result
+*-template

flake.lock

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+{
+  "nodes": {
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1755928099,
+        "narHash": "sha256-OILVkfhRCm8u18IZ2DKR8gz8CVZM2ZcJmQBXmjFLIfk=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "4a44fb9f7555da362af9d499817084f4288a957f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "release-25.05",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1755922037,
+        "narHash": "sha256-wY1+2JPH0ZZC4BQefoZw/k+3+DowFyfOxv17CN/idKs=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "b1b3291469652d5a2edb0becc4ef0246fff97a7c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "home-manager": "home-manager",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "NixOS configuration";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
+    home-manager = {
+      url = "github:nix-community/home-manager/release-25.05";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = inputs@{ nixpkgs, home-manager, ... }: {
+    nixosConfigurations = {
+      aly-desktop = nixpkgs.lib.nixosSystem {
+        system = "x86_64-linux";
+        modules = [
+          ({ config, pkgs, ... }: {
+            system.stateVersion = "25.05";
+            boot.loader.systemd-boot.enable = true;
+            boot.loader.efi.canTouchEfiVariables = true;
+            nix.settings.experimental-features = [ "nix-command" "flakes" ];
+            environment.systemPackages = with pkgs; [
+              git
+              vim
+              wget
+            ];
+            environment.variables.EDITOR = "vim";
+            security.sudo.wheelNeedsPassword = false;
+          
+            networking.hostName = "aly-desktop";
+            networking.networkmanager.enable = true;
+            services.pulseaudio.enable = false;
+            services.pipewire = {
+              enable = true;
+              pulse.enable = true;
+            };
+            time.timeZone = "Australia/Brisbane";
+            users.users.aly = {
+              isNormalUser = true;
+              description = "aly";
+              initialPassword = "test";
+              extraGroups = [ "networkmanager" "wheel" ];
+              openssh.authorizedKeys.keys = [
+                  "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGa9sXpYiDXy6L9dQHcKkK45PBgZHo0PCz/ejmvhDW6Z aly@aurora"
+              ];
+              packages = with pkgs; [
+          #      firefox
+              #  thunderbird
+              ];
+            };
+          
+            # Enable the OpenSSH daemon.
+            services.openssh = {
+              enable = true;
+              settings = {
+                X11Forwarding = true;
+                PermitRootLogin = "no"; # disable root login
+                PasswordAuthentication = false; # disable password login
+              };
+              openFirewall = true;
+            };
+            # Enable the X11 windowing system.
+            services.xserver.enable = true;
+          
+            # Enable the GNOME Desktop Environment.
+            services.xserver.displayManager.gdm.enable = true;
+            services.displayManager.autoLogin.user = "aly";
+            services.xserver.desktopManager.gnome.enable = true;
+          })
+
+          home-manager.nixosModules.home-manager
+          {
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+
+            home-manager.users.aly = import ./home.nix;
+
+            # Optionally, use home-manager.extraSpecialArgs to pass arguments to home.nix
+          }
+
+          ({ pkgs, ... }: {
+            environment.etc."nixos".source = ./.;
+          })
+        ];
+      };
+    };
+  };
+}

home.nix

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+{ config, pkgs, ... }:
+
+{
+  home.username = "aly";
+  home.homeDirectory = "/home/aly";
+
+  # link the configuration file in current directory to the specified location in home directory
+  # home.file.".config/i3/wallpaper.jpg".source = ./wallpaper.jpg;
+
+  # link all files in `./scripts` to `~/.config/i3/scripts`
+  # home.file.".config/i3/scripts" = {
+  #   source = ./scripts;
+  #   recursive = true;   # link recursively
+  #   executable = true;  # make all files executable
+  # };
+
+  # encode the file content in nix configuration file directly
+  # home.file.".xxx".text = ''
+  #     xxx
+  # '';
+
+  # set cursor size and dpi for 4k monitor
+  xresources.properties = {
+    "Xcursor.size" = 16;
+    "Xft.dpi" = 172;
+  };
+
+  # Packages that should be installed to the user profile.
+  home.packages = with pkgs; [
+    # here is some command line tools I use frequently
+    # feel free to add your own or remove some of them
+
+    neofetch
+    nnn # terminal file manager
+
+    # archives
+    zip
+    xz
+    unzip
+    p7zip
+
+    # utils
+    ripgrep # recursively searches directories for a regex pattern
+    jq # A lightweight and flexible command-line JSON processor
+    yq-go # yaml processor https://github.com/mikefarah/yq
+    eza # A modern replacement for ‘ls’
+    fzf # A command-line fuzzy finder
+
+    # networking tools
+    mtr # A network diagnostic tool
+    iperf3
+    dnsutils  # `dig` + `nslookup`
+    ldns # replacement of `dig`, it provide the command `drill`
+    aria2 # A lightweight multi-protocol & multi-source command-line download utility
+    socat # replacement of openbsd-netcat
+    nmap # A utility for network discovery and security auditing
+    ipcalc  # it is a calculator for the IPv4/v6 addresses
+
+    # misc
+    cowsay
+    file
+    which
+    tree
+    gnused
+    gnutar
+    gawk
+    zstd
+    gnupg
+
+    # nix related
+    #
+    # it provides the command `nom` works just like `nix`
+    # with more details log output
+    nix-output-monitor
+
+    # productivity
+    hugo # static site generator
+    glow # markdown previewer in terminal
+
+    btop  # replacement of htop/nmon
+    iotop # io monitoring
+    iftop # network monitoring
+
+    # system call monitoring
+    strace # system call monitoring
+    ltrace # library call monitoring
+    lsof # list open files
+
+    # system tools
+    sysstat
+    lm_sensors # for `sensors` command
+    ethtool
+    pciutils # lspci
+    usbutils # lsusb
+  ];
+
+  # basic configuration of git, please change to your own
+  programs.git = {
+    enable = true;
+    userName = "alyssadev";
+    userEmail = "alyssa.dev.smith@gmail.com";
+  };
+
+  # starship - an customizable prompt for any shell
+  programs.starship = {
+    enable = true;
+    # custom settings
+    settings = {
+      add_newline = false;
+      aws.disabled = true;
+      gcloud.disabled = true;
+      line_break.disabled = true;
+    };
+  };
+
+  # alacritty - a cross-platform, GPU-accelerated terminal emulator
+  programs.alacritty = {
+    enable = true;
+    # custom settings
+    settings = {
+      env.TERM = "xterm-256color";
+      font = {
+        size = 12;
+        draw_bold_text_with_bright_colors = true;
+      };
+      scrolling.multiplier = 5;
+      selection.save_to_clipboard = true;
+    };
+  };
+
+  programs.bash = {
+    enable = true;
+    enableCompletion = true;
+    # TODO add your custom bashrc here
+    bashrcExtra = ''
+      export PATH="$PATH:$HOME/bin:$HOME/.local/bin:$HOME/go/bin"
+    '';
+
+    # set some aliases, feel free to add more or remove some
+    shellAliases = {
+      k = "kubectl";
+      urldecode = "python3 -c 'import sys, urllib.parse as ul; print(ul.unquote_plus(sys.stdin.read()))'";
+      urlencode = "python3 -c 'import sys, urllib.parse as ul; print(ul.quote_plus(sys.stdin.read()))'";
+    };
+  };
+
+  # 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 can update home Manager without changing this value. See
+  # the home Manager release notes for a list of state version
+  # changes in each release.
+  home.stateVersion = "25.05";
+}