dotfiles/hosts/nixos-laptop/default.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).
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{ config
, pkgs
, inputs
, ...
}: {
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imports = [
# Include the results of the hardware scan.
./hardware-configuration.nix
];
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# BOOT
boot = {
supportedFilesystems = [ "btrfs" ];
loader = {
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grub = {
enable = true;
version = 2;
device = "nodev";
efiSupport = true;
};
efi.canTouchEfiVariables = true;
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};
};
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# SERVICES
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services = {
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xserver.libinput.enable = true;
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xserver.libinput.touchpad.disableWhileTyping = true;
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printing.enable = true;
};
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hardware.bluetooth.enable = true;
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# NETWORKING
networking = {
hostName = "nixos-laptop";
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networkmanager.enable = true;
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useDHCP = false;
interfaces.wlp1s0.useDHCP = true;
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# interfaces.enp4s0f4u2.useDHCP = true;
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};
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time.timeZone = "Europe/Berlin";
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console.keyMap = "de";
# needed for enabling hibernation
security.protectKernelImage = false;
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# Powersaving
services.tlp.enable = true;
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powerManagement.enable = true;
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# Hibernare on low battery
systemd.timers.hibernate-on-low-battery = {
wantedBy = [ "multi-user.target" ];
timerConfig = {
OnUnitActiveSec = "120";
OnBootSec = "120";
};
};
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systemd.services.hibernate-on-low-battery =
let
batteryLevelSufficient =
let
batteryPath = "/sys/class/power_supply/BATT";
in
pkgs.writeShellScriptBin "battery-level-sufficient" ''
test "$(cat ${batteryPath}/status)" != Discharging \
|| test "$(cat ${batteryPath}/capacity)" -ge 5
'';
in
{
serviceConfig.Type = "oneshot";
onFailure = [ "hibernate.target" ];
script = "${batteryLevelSufficient}/bin/battery-level-sufficient";
};
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# Trackpad
# i2c for https://github.com/mohamed-badaoui/asus-touchpad-numpad-driver
hardware.i2c.enable = true;
systemd.services.asus-touchpad-numpad = {
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description = "Activate Numpad inside the touchpad with top right corner switch";
documentation = [ "https://github.com/mohamed-badaoui/asus-touchpad-numpad-driver" ];
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path = [ pkgs.i2c-tools ];
script = ''
cd ${inputs.asus-touchpad-numpad-driver}
# In the last argument here you choose your layout.
${
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pkgs.python3.withPackages (ps: [ps.libevdev])
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}/bin/python asus_touchpad.py m433ia
'';
# Probably needed because it fails on boot seemingly because the driver
# is not ready yet. Alternativly, you can use `sleep 3` or similar in the
# `script`.
serviceConfig = {
RestartSec = "1s";
Restart = "on-failure";
};
wantedBy = [ "multi-user.target" ];
};
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nix = {
distributedBuilds = true;
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buildMachines = [
{
hostName = "builder";
system = "x86_64-linux";
maxJobs = 6;
speedFactor = 2;
supportedFeatures = [ "nixos.test" "benchmark" "big-parallel" "kvm" ];
}
];
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extraOptions = ''
builders-use-substitutes = true
'';
};
programs.ssh.extraConfig = ''
Host builder
Hostname 192.168.0.14
Port 22
User moritz
IdentitiesOnly yes
IdentityFile /etc/ssh/ssh_host_ed25519_key
'';
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# 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. Its 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).
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system.stateVersion = "22.05"; # Did you read the comment?
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}