install vlc, sox and ffmpeg

use settings attribute

common/default.nix

@@ -1,7 +1,7 @@
 { lib, pkgs, ... }:
 
 {
-  boot.kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
+  boot.kernelPackages = lib.mkOverride 2000 pkgs.linuxPackages_latest;
   boot.kernelParams = [ "quiet" ];
 
   services.openssh.enable = true;
@@ -38,6 +38,11 @@
     vim
     wget
     jq
+    pavucontrol
+    dosbox
+    vlc
+    ffmpeg-full
+    sox
   ];
 
   programs.bash.shellAliases = {
@@ -49,6 +54,13 @@
     ll = "exa -l";
     la = "exa -la";
     tree = "exa -T";
-    apt = "echo 'please use nix-env -iA <packagename> instead to install packages.'";
+    apt = "echo 'please use nix-env -iA nixos.<packagename> instead to install packages.'";
+  };
+
+  users.mutableUsers = false;
+  users.users.c3h = {
+    isNormalUser = true;
+    password = "c3h";
+    extraGroups = [ "wheel" ];
   };
 }

deploy.sh

@@ -12,15 +12,25 @@ fi
 
 mode="${1:-switch}"
 host="${2:-nuc}"
-target="${3:-$host.c3h}"
+target="${3:-c3h@$host.c3h}"
+
+if ! [ -d "hosts/$host" ]
+then
+	echo "Host $host does not exist. Choose from:"
+	ls hosts
+	exit
+fi
 
 echo "deploying $host to $target"
 sleep 1
 
-sources=$(nix-build nix/sources-dir.nix --no-out-link)
+tmp=$(mktemp -d)
+trap 'rm -rf "$tmp"' EXIT
+sources="$tmp/sources"
+cp -r $(nix-build nix/sources-dir.nix --no-out-link) $tmp/sources
 
 set -x
-system_drv=$(nix-instantiate "<nixpkgs/nixos>" -I $sources -I "nixos-config=$PWD/hosts/$host/configuration.nix" | head -n1)
+system_drv=$(nix-instantiate "<nixpkgs/nixos>" -A config.system.build.toplevel -I $sources -I "nixos-config=$PWD/hosts/$host/configuration.nix")
 nix-copy-closure --to $target $system_drv
 system=$(ssh $target "nix-store --realise $system_drv")
 ssh $target "sudo nix-env -p /nix/var/nix/profiles/system -i $system && sudo /nix/var/nix/profiles/system/bin/switch-to-configuration $mode"

hosts/bemmer/configuration.nix

@@ -8,7 +8,7 @@
 
     # services
     ../../shared-services/pulseaudio.nix
-    #../../shared-services/nfs-server.nix
+    ../../shared-services/nfs-client.nix
     ../../shared-services/mpd.nix
     ../../shared-services/ympd.nix
     ../../shared-services/spotifyd.nix
@@ -16,28 +16,21 @@
     ../../shared-services/vnc.nix
     ../../shared-services/webserver.nix
   ];
-  users.users.c3h = {
-    isNormalUser = true;
-    password = "c3h";
-    extraGroups = [ "wheel" ];
-    packages = with pkgs; [ chromium firefox mpv youtube-dl ];
-  };
+
+  # We import sd-image-aarch64.nix so we can build a config.system.build.sdImage
+  # But it imports some modules we don't want, so disable them
+  disabledModules = [
+    "profiles/base.nix"
+    "profiles/all-hardware.nix"
+  ];
 
   networking.hostName = "bemmer";
   networking.domain = "c3h";
-
   networking.useDHCP = true;
 
   nixpkgs.system = "aarch64-linux";
-  boot.initrd.availableKernelModules = lib.mkForce [ "vc4" "i2c_bcm2835" ];
-  boot.supportedFilesystems = lib.mkForce [ "ext4" "vfat" ];
-  boot.kernelPackages = pkgs.linuxPackages_rpi4;
-  documentation.enable = false;
-
-  hardware.raspberry-pi."4" = {
-    fkms-3d.enable = true;
-    #audio.enable = true;
-  };
+  hardware.raspberry-pi."4".fkms-3d.enable = true;
+  boot.tmpOnTmpfs = true; # building stuff on sd-card is slow
 
   system.stateVersion = "21.05";
 }

hosts/nuc/configuration.nix

@@ -8,7 +8,7 @@
 
     # services
     ../../shared-services/pulseaudio.nix
-    ../../shared-services/nfs-server.nix
+    ../../shared-services/nfs-client.nix
     ../../shared-services/mpd.nix
     ../../shared-services/ympd.nix
     ../../shared-services/spotifyd.nix

hosts/nuc/hardware-configuration.nix

@@ -23,7 +23,7 @@
       fsType = "vfat";
     };
 
-  fileSystems."/mnt" =
+  fileSystems."/mnt/hdd" =
     { device = "/dev/disk/by-uuid/ff18a6f9-ee3b-452c-8671-38b74508a74c";
       fsType = "btrfs";
     };

shared-services/desktop.nix

@@ -1,13 +1,7 @@
 { pkgs, ... }:
 
 {
-  users.mutableUsers = false;
-  users.users.c3h = {
-    isNormalUser = true;
-    password = "c3h";
-    extraGroups = [ "wheel" ];
-    packages = with pkgs; [ chromium firefox mpv youtube-dl ];
-  };
+  users.users.c3h.packages = with pkgs; [ chromium firefox mpv youtube-dl ];
 
   services.xserver = {
     enable = true;

shared-services/nfs-client.nix

@@ -0,0 +1,15 @@
+{ ... }:
+
+{
+  boot.supportedFilesystems = [ "nfs" ];
+  fileSystems."/mnt/Music" = {
+    device = "10.23.42.126:/music";
+    fsType = "nfs";
+    options = [
+      "nfsvers=4.1"
+      "noauto"
+      "x-systemd.automount"
+      "x-systemd.idle-timeout=600"
+    ];
+  };
+}

shared-services/nfs-server.nix

@@ -1,17 +0,0 @@
-{ ... }:
-
-{
-  services.nfs.server = {
-    enable = true;
-    exports = ''
-      /mnt 10.23.42.0/24(rw,fsid=0,insecure,no_subtree_check)
-    '';
-
-    statdPort = 4000;
-    lockdPort = 4001;
-    mountdPort = 4002;
-  };
-
-  networking.firewall.interfaces.enp3s0.allowedTCPPorts = [ 2049 4000 4001 4002 111 ];
-  networking.firewall.interfaces.enp3s0.allowedUDPPorts = [ 2049 4000 4001 4002 111 ];
-}

shared-services/spotifyd.nix

@@ -1,12 +1,10 @@
-{ ... }:
+{ config, ... }:
 
 {
   services.spotifyd = {
     enable = true;
-    config = ''
-      zeroconf_port = 18572
-    '';
+    settings.zeroconf_port = 18572;
   };
 
-  networking.firewall.allowedTCPPorts = [ 18572 ];
+  networking.firewall.allowedTCPPorts = [ config.services.spotifyd.settings.zeroconf_port ];
 }