mirror of
https://github.com/gburd/nix-config.git
synced 2024-11-15 00:36:25 +00:00
98 lines
4 KiB
Nix
98 lines
4 KiB
Nix
{ config, lib, pkgs, ... }:
|
||
|
||
{
|
||
imports = [
|
||
# Include the results of the hardware scan.
|
||
./hardware-configuration.nix
|
||
# Needed to continue SD image initialization after installer removes its own unit.
|
||
./sd-image-init.nix
|
||
];
|
||
|
||
# Create a swap file. Raspberry pi 3B has only 1G of ram, and nixos-rebuild takes a *lot* of ram to evaluate
|
||
# the nixpgks store (someone even recommended me to evaluate the store on my laptop, either via binfmt to
|
||
# emulate Aarch64 or to use the rasp as a remote builder to keep the evaluation locally). When the system runs
|
||
# out of RAM, it freezes.
|
||
swapDevices = [
|
||
{
|
||
device = "/swapfile";
|
||
# create a smaller file on qemu, just to test
|
||
size = if (config ? virtualisation.qemu) then 127 else 2048;
|
||
}
|
||
];
|
||
|
||
# Use the extlinux boot loader. (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;
|
||
boot.consoleLogLevel = 7;
|
||
|
||
# Apparently also needed for some parts of the pi to work.
|
||
hardware.enableRedistributableFirmware = true;
|
||
|
||
# Otherwise the hdmi disconnects during the boot and reconnect at the end
|
||
# looks like it is still not enough...
|
||
# Don't enable it with qemu
|
||
boot.initrd.kernelModules = lib.mkIf (!(config ? virtualisation.qemu)) [ "vc4" "bcm2835_dma" "i2c_bcm2835" "ahci" ];
|
||
|
||
# K900 said that I should always try to stay as much as possible on mainline… which makes sense.
|
||
# K900 also recommended to use kernel 6.0.2 (default is 5.*),
|
||
boot.kernelPackages = pkgs.linuxPackages_latest;
|
||
# also get errors on rpi3 (can't boot, kernel error) and it will not work in qemu since it's arm
|
||
# boot.kernelPackages = pkgs.linuxPackages_rpi3;
|
||
|
||
# https://github.com/NixOS/nixpkgs/issues/154163#issuecomment-1008362877
|
||
nixpkgs.overlays = [
|
||
(_final: super: {
|
||
makeModulesClosure = x:
|
||
super.makeModulesClosure (x // { allowMissing = true; });
|
||
})
|
||
];
|
||
|
||
boot.kernelParams = [ "cma=32M" "console=tty0,115200n8" ];
|
||
|
||
users.users.nixos = {
|
||
isNormalUser = true;
|
||
extraGroups = [ "wheel" "networkmanager" "video" ];
|
||
initialPassword = "nixos";
|
||
};
|
||
services.mingetty.autologinUser = "nixos";
|
||
|
||
# The installer starts with a "nixos" user to allow installation, so add the
|
||
# SSH key to that user. Note that the key is, at the time of writing, put in
|
||
# `/etc/ssh/authorized_keys.d`
|
||
users.extraUsers.nixos.openssh.authorizedKeys.keys = [
|
||
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGSNy/vMr2Zk9pvfjQnxiU9F8CGQJwCiXDxPecKG9/q+ Greg Burd <greg@burd.me> - 2023-01-23"
|
||
];
|
||
|
||
# Enable OpenSSH out of the box.
|
||
services.sshd.enable = true;
|
||
|
||
# Use a default root SSH login.
|
||
services.openssh.settings.PermitRootLogin = "yes";
|
||
users.users.root = {
|
||
initialHashedPassword = "$6$xO61wiVZ3tg9Wryx$lBTmF6N7ed7gpeJdVK8vzExdDecDWiLAvYxNazW72LQST3iMaYQck071V9ACCMgeFrjSXt7G/w5UjlpOF1F6q.";
|
||
openssh.authorizedKeys.keys = [
|
||
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGSNy/vMr2Zk9pvfjQnxiU9F8CGQJwCiXDxPecKG9/q+ Greg Burd <greg@burd.me> - 2023-01-23"
|
||
];
|
||
};
|
||
|
||
networking.wireless.enable = false;
|
||
|
||
# The global useDHCP flag is deprecated, therefore explicitly set to false here.
|
||
# Per-interface useDHCP will be mandatory in the future, so this generated config
|
||
# replicates the default behaviour.
|
||
networking.useDHCP = false;
|
||
networking.interfaces.eth0.useDHCP = true;
|
||
networking.interfaces.wlan0.useDHCP = true;
|
||
|
||
# NTP time sync.
|
||
services.timesyncd.enable = true;
|
||
|
||
# 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 = "23.05"; # Did you read the comment?
|
||
}
|