A collection of example NixOS files that be included into configuration.nix on NixOS.
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# This is an example of a basic NixOS configuration file for a Raspberry Pi 3.
# It's best used as your first configuration.nix file and provides ssh, root
# and user accounts as well as Pi 3 specific tweaks.
{ config, pkgs, lib, ... }:
{
# NixOS wants to enable GRUB by default
boot.loader.grub.enable = false;
# Enables the generation of /boot/extlinux/extlinux.conf
boot.loader.generic-extlinux-compatible.enable = true;
# For a Raspberry Pi 2 or 3):
boot.kernelPackages = pkgs.linuxPackages_latest;
# !!! Needed for the virtual console to work on the RPi 3, as the default of 16M doesn't seem to be enough.
# If X.org behaves weirdly (I only saw the cursor) then try increasing this to 256M.
boot.kernelParams = ["cma=32M"];
# File systems configuration for using the installer's partition layout
fileSystems = {
"/" = {
device = "/dev/disk/by-label/NIXOS_SD";
fsType = "ext4";
};
};
# !!! Adding a swap file is optional, but strongly recommended!
swapDevices = [ { device = "/swapfile"; size = 1024; } ];
hardware.enableRedistributableFirmware = true; # Enable support for Pi firmware blobs
networking.hostName = "nixosPi"; # Define your hostname.
networking.wireless.enable = false; # Toggles wireless support via wpa_supplicant.
# Select internationalisation properties.
i18n = {
consoleFont = "Lat2-Terminus16";
consoleKeyMap = "us";
defaultLocale = "en_AU.UTF-8";
};
time.timeZone = "Australia/Brisbane"; # Set your preferred timezone:
# List services that you want to enable:
services.openssh.enable = true; # Enable the OpenSSH daemon.
# Configure users for your Pi:
users.mutableUsers = false; # Remove any users not defined in here
users.users.root = {
hashedPassword = "$6$eeqJLxwQzMP4l$GTUALgbCfaqR8ut9kQOOG8uXOuqhtIsIUSP.4ncVaIs5PNlxdvAvV.krfutHafrxNN7KzaM7uksr6bXP5X0Sx1";
openssh.authorizedKeys.keys = [
"ssh-ed25519 Voohu4vei4dayohm3eeHeecheifahxeetauR4geigh9eTheey3eedae4ais7pei4ruv4 me@myhost"
];
};
# Groups to add
users.groups.myusername.gid = 1000;
# Define a user account.
users.users.myusername = {
isNormalUser = true;
uid = 1000;
group = "myusername";
extraGroups = ["wheel" ];
hashedPassword = "$6$l2I7i6YqMpeviVy$u84FSHGvZlDCfR8qfrgaP.n7/hkfGpuiSaOY3ziamwXXHkccrOr8Md4V5G2M1KcMJQmX5qP7KOryGAxAtc5T60";
openssh.authorizedKeys.keys = [
"ssh-ed25519 Voohu4vei4dayohm3eeHeecheifahxeetauR4geigh9eTheey3eedae4ais7pei4ruv4 me@myhost"
];
};
# This value determines the NixOS release with which your system is to be
# compatible, in order to avoid breaking some software such as database
# servers. You should change this only after NixOS release notes say you
# should.
system.stateVersion = "19.03"; # Did you read the comment?
system.autoUpgrade.enable = true;
system.autoUpgrade.channel = https://nixos.org/channels/nixos-19.03;
}