Initial.

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
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+      ./display-manager.nix
+      ./packages.nix
+    ];
+
+  # Bootloader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # Use latest kernel.
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  networking.hostName = "nixian"; # Define your hostname.
+  # 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;
+  networking.wireless.iwd.enable = true;
+  
+  networking.wireless.iwd.settings = {
+    Network = {
+      EnableIPv6 = true;
+    };
+    Settings = {
+      AutoConnect = true;
+    };
+  };
+
+  hardware.bluetooth.enable = true;
+  services.blueman.enable = true;
+
+  # Set your time zone.
+  time.timeZone = "America/Sao_Paulo";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_GB.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "pt_BR.UTF-8";
+    LC_IDENTIFICATION = "pt_BR.UTF-8";
+    LC_MEASUREMENT = "pt_BR.UTF-8";
+    LC_MONETARY = "pt_BR.UTF-8";
+    LC_NAME = "pt_BR.UTF-8";
+    LC_NUMERIC = "pt_BR.UTF-8";
+    LC_PAPER = "pt_BR.UTF-8";
+    LC_TELEPHONE = "pt_BR.UTF-8";
+    LC_TIME = "pt_BR.UTF-8";
+  };
+
+  # Configure keymap in X11
+  services.xserver.xkb = {
+    layout = "br";
+    variant = "";
+  };
+
+  # Configure console keymap
+  console.keyMap = "br-abnt2";
+
+  # 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 touchpad support (enabled default in most desktopManager).
+  # services.xserver.libinput.enable = true;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.adrian = {
+    isNormalUser = true;
+    description = "Adrian Victor";
+    extraGroups = [ "networkmanager" "wheel" ];
+  };
+
+  # 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:
+
+  services.gvfs.enable = true;
+  services.udisks2.enable = true;
+
+  # 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 = "25.11"; # Did you read the comment?
+
+}

display-manager.nix

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+{ config, ... }:
+
+{
+  services.displayManager.ly = {
+    enable = true;
+    settings = {
+      bg = "0x00000000";
+      border_fg = "0x00332215";
+      box_title = "It booted, of course.";
+      animate = true;
+      animation = "doom";
+      doom_fire_height= "5";
+      doom_fire_spread = "1";
+      doom_top_color = "0x00332215";
+      doom_middle_color = "0x00948371";
+      doom_bottom_color = "0x00FFFFFF";
+    };
+  };
+}

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 = [ "xhci_pci" "ahci" "nvme" "usb_storage" "usbhid" "sd_mod" "sdhci_pci" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/ebd458ec-8189-4955-a0b9-3222a5946901";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/4FAA-8B40";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  fileSystems."/home" =
+    { device = "/dev/disk/by-uuid/c2882ca1-1053-4c10-a8d7-9f6cc427e294";
+      fsType = "btrfs";
+      options = [ "compress=zstd" ];
+    };
+
+  swapDevices = [ ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

packages.nix

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+{ config, pkgs, ... }:
+
+{
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  programs.zsh.enable = true;
+  users.defaultUserShell = pkgs.zsh;
+
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    htop
+    adwaita-icon-theme
+    zsh
+    neovim
+    swayfx
+    swayidle
+    swaybg
+    waybar
+    rofi
+    wlrctl
+    cliphist
+    light
+    ly
+    slurp
+    rofi-power-menu
+    grim
+    wl-clipboard
+    xorg.xprop
+    libpulseaudio
+    dunst
+    usbutils
+    udiskie
+    flatpak
+    # kdePackages.plasma-desktop # qtwebkit -> cmake_minimum_required
+    fuse3
+    fuseiso
+    fastfetch
+    git
+    git-credential-manager
+    bashNonInteractive
+    cmake
+  ];
+
+  programs.sway = {
+    enable = true;
+    wrapperFeatures.gtk = true;
+    extraPackages = [];
+  };
+
+  fonts.packages = with pkgs; [
+    nerd-fonts.ubuntu-mono
+  ];
+
+  users.users.adrian.packages = with pkgs; [
+    thunderbird
+    signal-desktop
+    floorp-bin
+    # fontmatrix # cmake_minimum_required
+    steam-tui
+    steam
+    kdePackages.kdenlive
+    ranger
+    fontpreview
+    kitty
+    kittysay
+    nemo-with-extensions
+    smartmontools
+    keepassxc
+    makemkv
+    mpv
+    yt-dlp
+    youtube-tui
+    jellyfin-tui
+    jellyfin-rpc
+    vesktop
+    android-studio
+    vscodium-fhs
+    # androidenv.androidPkgs.tools
+    # androidenv.androidPkgs.androidsdk
+    # androidenv.androidPkgs.all.system-images.v36_1.page_size_16kb.x86_64
+    jetbrains.idea
+    gparted
+    gradle
+    javaPackages.compiler.openjdk21
+    lmstudio
+    bottles
+    transmission_4-qt
+  ];
+
+  programs.steam = {
+    enable = true;
+  };
+}