nix-home/modules/common/linux/default.nix

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{ pkgs, config, lib, ... }:
with lib;
let
cfg = config.common.linux;
# Modules
modules = {
adb = { config, ... }: mkIf config.common.linux.enable {
services.udev.packages = with pkgs; [ android-udev-rules ];
programs.adb.enable = true;
users.users.${config.common.linux.username}.extraGroups = [ "adbusers" ];
};
ios = { config, pkgs, ... }: mkIf config.common.linux.enable {
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services.avahi.enable = true;
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services.usbmuxd.enable = true;
services.usbmuxd.package = pkgs.usbmuxd2;
environment.systemPackages = with pkgs; [
libimobiledevice
ifuse
];
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users.users.${config.common.linux.username}.extraGroups = [ config.services.usbmuxd.group ];
systemd.network.networks."05-ios-tethering" = {
matchConfig.Driver = "ipheth";
networkConfig.DHCP = "yes";
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linkConfig.RequiredForOnline = "no";
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};
};
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accounts = { pkgs, ... }: mkIf (config.common.linux.enable && !pkgs.stdenv.isAarch64) {
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environment.systemPackages = with pkgs.gnome; [ pkgs.glib gnome-control-center ];
services.accounts-daemon.enable = true;
services.gnome.gnome-online-accounts.enable = true;
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# programs.evolution.enable = true;
# programs.evolution.plugins = with pkgs; [ evolution-ews ];
# services.gnome.evolution-data-server.enable = true;
# services.gnome.evolution-data-server.plugins = with pkgs; [ evolution-ews ];
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};
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wlr = { ... }: mkIf config.common.linux.enable {
# swaync disable notifications on screencast
xdg.portal.wlr.settings.screencast = {
exec_before = ''which swaync-client && swaync-client --inhibitor-add "xdg-desktop-portal-wlr" || true'';
exec_after = ''which swaync-client && swaync-client --inhibitor-remove "xdg-desktop-portal-wlr" || true'';
};
};
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logitech = { pkgs, ... }: mkIf cfg.enable {
services.ratbagd.enable = true;
environment.systemPackages = with pkgs; [ piper ];
};
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virtualisation = { pkgs, ... }: mkIf cfg.enable {
virtualisation.podman = {
enable = true;
dockerCompat = true;
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defaultNetwork.settings.dns_enabled = true;
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};
virtualisation.oci-containers.backend = "podman";
virtualisation.virtualbox.host.enable = false;
users.extraGroups.vboxusers.members = [ cfg.username ];
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};
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};
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rt-audio = { pkgs, ... }: mkIf cfg.enable {
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services.pipewire.lowLatency = {
# enable this module
enable = true;
# defaults (no need to be set unless modified)
quantum = 32;
rate = 48000;
};
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security.rtkit.enable = true;
# Real time configurations
boot.kernel.sysctl = {
"vm.swappiness" = 10;
"fs.inotify.max_user_watches" = 524288;
};
security.pam.loginLimits = [
{
domain = "@audio";
item = "rtprio";
type = "-";
value = "90";
}
{
domain = "@audio";
item = "memlock";
type = "-";
value = "unlimited";
}
];
};
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in
{
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imports = with modules; [ adb ios wlr logitech virtualisation accounts rt-audio ];
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options.common.linux = {
enable = mkOption {
type = types.bool;
description = "Enable the common settings for Linux personal machines";
default = pkgs.stdenv.isLinux;
};
luksDevices = mkOption {
type = types.attrsOf types.str;
description = "A mapping from device mount name to its path (/dev/disk/...) to be mounted on boot";
default = { };
};
networking = {
hostname = mkOption {
type = types.str;
description = "Host name for your machine";
};
dnsServers = mkOption {
type = types.listOf types.str;
description = "DNS server list";
default = [ "8.8.8.8" "8.8.4.4" ];
};
networks = mkOption {
type = types.attrsOf (types.submodule {
options.match = mkOption {
type = types.str;
description = "The interface name to match";
};
options.isRequired = mkOption {
type = types.bool;
description = "Require this interface to be connected for network-online.target";
default = false;
};
});
description = "Network configuration";
default = {
default = { match = "*"; };
};
};
};
username = mkOption {
type = types.str;
description = "The linux username";
default = "nki";
};
};
config = mkIf cfg.enable {
## Boot Configuration
# Set kernel version to latest
boot.kernelPackages = mkDefault pkgs.linuxPackages_latest;
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# Use the systemd-boot EFI boot loader.
boot = {
loader.timeout = 60;
loader.systemd-boot.enable = true;
loader.efi.canTouchEfiVariables = true;
supportedFilesystems.ntfs = true;
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};
boot.initrd.systemd.enable = builtins.length (builtins.attrNames (cfg.luksDevices)) > 0;
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# LUKS devices
boot.initrd.luks.devices = builtins.mapAttrs
(name: path: {
device = path;
preLVM = true;
allowDiscards = true;
crypttabExtraOpts = [
"tpm2-device=auto"
"fido2-device=auto"
];
})
cfg.luksDevices;
## Hardware-related
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# Firmware stuff
services.fwupd.enable = true;
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# Enable sound.
sound.enable = true;
services.pipewire = {
enable = true;
# alsa is optional
alsa.enable = true;
alsa.support32Bit = true;
pulse.enable = true;
};
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# udev configurations
services.udev.packages = with pkgs; [
qmk-udev-rules # For keyboards
];
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# udisks
services.udisks2.enable = true;
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# Bluetooth: just enable
hardware.bluetooth.enable = true;
hardware.bluetooth.package = pkgs.bluez5-experimental; # Why do we need experimental...?
hardware.bluetooth.settings.General.Experimental = true;
services.blueman.enable = true; # For a GUI
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# ZRAM
zramSwap.enable = true;
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## Users
users.users.${cfg.username} = {
isNormalUser = true;
uid = 1000;
extraGroups = [
"wheel" # Enable sudo for the user.
"plugdev" # Enable openrazer-daemon privileges
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"audio"
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];
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shell = pkgs.fish;
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};
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nix.settings.trusted-users = [ "root" cfg.username ];
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## Network configuration
systemd.network.enable = true;
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networking.dhcpcd.enable = lib.mkForce false;
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networking.useDHCP = false;
networking.useNetworkd = true;
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systemd.network.wait-online.enable = false;
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networking.hostName = cfg.networking.hostname;
networking.wireless.iwd.enable = true;
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networking.wireless.iwd.settings.General.EnableNetworkConfiguration = true;
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systemd.network.networks = builtins.mapAttrs
(name: cfg: {
matchConfig.Name = cfg.match;
networkConfig.DHCP = "yes";
linkConfig.RequiredForOnline = if cfg.isRequired then "yes" else "no";
})
cfg.networking.networks;
# Leave DNS to systemd-resolved
services.resolved.enable = true;
services.resolved.domains = cfg.networking.dnsServers;
services.resolved.fallbackDns = cfg.networking.dnsServers;
# Firewall: only open to SSH now
networking.firewall.allowedTCPPorts = [ 22 ];
networking.firewall.allowedUDPPorts = [ 22 ];
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# Enable tailscale
services.tailscale.enable = true;
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## Time and Region
time.timeZone = "Europe/Zurich";
# Select internationalisation properties.
console.keyMap = "jp106"; # Console key layout
i18n.defaultLocale = "ja_JP.UTF-8";
# Input methods (only fcitx5 works reliably on Wayland)
i18n.inputMethod = {
enabled = "fcitx5";
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fcitx5.waylandFrontend = true;
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fcitx5.addons = with pkgs; [
fcitx5-mozc
fcitx5-unikey
fcitx5-gtk
];
};
# Default packages
environment.systemPackages = with pkgs; [
kakoune # An editor
wget # A simple fetcher
## System monitoring tools
usbutils # lsusb and friends
pciutils # lspci and friends
psmisc # killall, pstree, ...
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lm_sensors # sensors
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## Security stuff
libsForQt5.qtkeychain
## Wayland
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kdePackages.qtwayland
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];
# Add a reliable terminal
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programs.fish.enable = true;
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# programs.gnome-terminal.enable = true;
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# KDEConnect is just based
programs.kdeconnect.enable = true;
# Flatpaks are useful... sometimes...
services.flatpak.enable = true;
# DConf for GNOME configurations
programs.dconf.enable = true;
# Gaming! (not for ARM64)
programs.steam.enable = !pkgs.stdenv.isAarch64;
hardware.opengl.enable = true;
hardware.opengl.driSupport32Bit = !pkgs.stdenv.isAarch64; # For 32 bit applications
## Services
# OpenSSH so you can SSH to me
services.openssh.enable = true;
# PAM
security.pam.services.login.enableKwallet = true;
security.pam.services.lightdm.enableKwallet = true;
security.pam.services.swaylock = { };
# Printers
services.printing.enable = true;
# Portals
xdg.portal = {
enable = true;
wlr.enable = true;
xdgOpenUsePortal = true;
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# gtk portal needed to make gtk apps happy
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extraPortals = [ pkgs.kdePackages.xdg-desktop-portal-kde pkgs.xdg-desktop-portal-gtk ];
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config.sway.default = [ "wlr" "kde" ];
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};
# D-Bus
services.dbus.packages = with pkgs; [ gcr ];
## Environment
environment.variables = {
# Set default editor
EDITOR = "kak";
VISUAL = "kak";
};
};
}