setting up

flake.lock

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+{
+  "nodes": {
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1746171682,
+        "narHash": "sha256-EyXUNSa+H+YvGVuQJP1nZskXAowxKYp79RNUsNdQTj4=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "50eee705bbdbac942074a8c120e8194185633675",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "release-24.11",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1746557022,
+        "narHash": "sha256-QkNoyEf6TbaTW5UZYX0OkwIJ/ZMeKSSoOMnSDPQuol0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "1d3aeb5a193b9ff13f63f4d9cc169fb88129f860",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "home-manager": "home-manager",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Base NixOS flake";
+
+  inputs = {
+    # NixOS official package source, using the nixos-24.11 branch here
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+    # home manager
+    home-manager = {
+      url = "github:nix-community/home-manager/release-24.11";
+      # The `follows` keyword in inputs is used for inheritance.
+      # Here, `inputs.nixpkgs` of home-manager is kept consistent with
+      # the `inputs.nixpkgs` of the current flake,
+      # to avoid problems caused by different versions of nixpkgs.
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = inputs@{ nixpkgs, home-manager, ... }: {
+    nixosConfigurations = {
+      # TODO please change the hostname to your own
+      nixos = nixpkgs.lib.nixosSystem {
+        system = [
+          "x86_64-linux"
+          "aarch64-linux"
+        ];
+        modules = [
+          ./nixos/configuration.nix
+
+          # make home-manager as a module of nixos
+          # so that home-manager configuration will be deployed automatically when executing `nixos-rebuild switch`
+          home-manager.nixosModules.home-manager
+          {
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+
+            # TODO replace ryan with your own username
+            home-manager.users.death916 = import ./home-manager/home.nix;
+
+            # Optionally, use home-manager.extraSpecialArgs to pass arguments to home.nix
+          }
+        ];
+      };
+    };
+  };
+}

home-manager/home.nix

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+{ config, pkgs, ... }:
+
+{
+  # TODO please change the username & home directory to your own
+  home.username = "death916";
+  home.homeDirectory = "/home/death916";
+
+  # 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
+    fastfetch
+    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
+    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
+    # death916 tools
+   # waveterm
+  ];
+
+  # basic configuration of git, please change to your own
+  programs.git = {
+    enable = true;
+    userName = "death916";
+    userEmail = "mail@trentnelson.dev";
+  };
+
+  # 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 = "24.11";
+
+  # Let home Manager install and manage itself.
+  programs.home-manager.enable = true;
+}

modules/home-manager/default.nix

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+# Add your reusable home-manager modules to this directory, on their own file (https://nixos.wiki/wiki/Module).
+# These should be stuff you would like to share with others, not your personal configurations.
+{
+  # List your module files here
+  # my-module = import ./my-module.nix;
+}

modules/nixos/default.nix

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+# Add your reusable NixOS modules to this directory, on their own file (https://nixos.wiki/wiki/Module).
+# These should be stuff you would like to share with others, not your personal configurations.
+{
+  # List your module files here
+  # my-module = import ./my-module.nix;
+}

nixos/configuration.nix

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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, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+    ];
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # 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/Los_Angeles";
+
+  users.users.death916 = {
+    isNormalUser = true;
+    home = "/home/death916";
+    description = "Death916";
+    extraGroups = ["wheel" "networkmanager" ];
+  };  
+
+ 
+  # 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;
+  
+
+  # 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.alice = {
+  #   isNormalUser = true;
+  #   extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
+  #   packages = with pkgs; [
+  #     tree
+  #   ];
+  # };
+
+# my settings
+  nix.settings.experimental-features = ["nix-command" "flakes"];
+  environment.systemPackages = with pkgs; [
+    # Flakes clones its dependencies through the git command,
+    # so git must be installed first
+    git
+    vim
+    wget
+  ];
+
+
+
+
+
+
+  programs.firefox.enable = true;
+
+  # 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 = "24.11"; # Did you read the comment?
+
+}
+

nixos/hardware-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" "xhci_pci" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/f667829d-57eb-492a-9a9e-e69552327d53";
+      fsType = "btrfs";
+      options = [ "subvol=@" "compress=zstd" "noatime" ];
+    };
+
+  fileSystems."/home" =
+    { device = "/dev/disk/by-uuid/f667829d-57eb-492a-9a9e-e69552327d53";
+      fsType = "btrfs";
+      options = [ "subvol=@home" "compress=zstd" "noatime" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-uuid/f667829d-57eb-492a-9a9e-e69552327d53";
+      fsType = "btrfs";
+      options = [ "subvol=@nix" "compress=zstd" "noatime" ];
+    };
+
+  fileSystems."/var/log" =
+    { device = "/dev/disk/by-uuid/f667829d-57eb-492a-9a9e-e69552327d53";
+      fsType = "btrfs";
+      options = [ "subvol=@log" "compress=zstd" "noatime" ];
+      neededForBoot = true;
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/6FD9-603C";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  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.wlp1s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

overlays/default.nix

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+# This file defines overlays
+{inputs, ...}: {
+  # This one brings our custom packages from the 'pkgs' directory
+  additions = final: _prev: import ../pkgs final.pkgs;
+
+  # This one contains whatever you want to overlay
+  # You can change versions, add patches, set compilation flags, anything really.
+  # https://nixos.wiki/wiki/Overlays
+  modifications = final: prev: {
+    # example = prev.example.overrideAttrs (oldAttrs: rec {
+    # ...
+    # });
+  };
+
+  # When applied, the unstable nixpkgs set (declared in the flake inputs) will
+  # be accessible through 'pkgs.unstable'
+  unstable-packages = final: _prev: {
+    unstable = import inputs.nixpkgs-unstable {
+      system = final.system;
+      config.allowUnfree = true;
+    };
+  };
+}

pkgs/default.nix

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+# Custom packages, that can be defined similarly to ones from nixpkgs
+# You can build them using 'nix build .#example'
+pkgs: {
+  # example = pkgs.callPackage ./example { };
+}