Refactor, add roam using colmena

host/c2/default.nix

@@ -1,18 +1,13 @@
-{ mod, inputs, ... }:
+{ inputs, ... }:
 {
   networking.hostName = "c2";
 
-  imports =
-    with mod;
-    [
-      collections.pc
-      ./hardware-configuration.nix
-    ]
-    ++ (with inputs.nixos-hardware.nixosModules; [
-      common-cpu-intel
-      common-pc-laptop
-      common-pc-laptop-ssd
-    ]);
+  imports = with inputs.nixos-hardware.nixosModules; [
+    ./hardware-configuration.nix
+    common-cpu-intel
+    common-pc-laptop
+    common-pc-laptop-ssd
+  ];
 
   boot.loader.efi.efiSysMountPoint = "/boot/efi";
 

host/roam/default.nix

@@ -0,0 +1,18 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  networking.hostName = "roam";
+
+  imports = [
+    ./hardware-configuration.nix
+  ];
+
+  services.openssh.enable = true;
+
+  # ====== DON'T CHANGE ======
+  system.stateVersion = "24.11";
+}

host/roam/hardware-configuration.nix

@@ -0,0 +1,77 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [
+    (modulesPath + "/profiles/qemu-guest.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "ata_piix"
+    "uhci_hcd"
+    "virtio_pci"
+    "sr_mod"
+    "virtio_blk"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/0d5c4e16-b584-4fa2-989a-17e5264886b0";
+    fsType = "btrfs";
+    options = [
+      "subvol=root"
+      "compress=zstd:1"
+      "noatime"
+    ];
+  };
+
+  fileSystems."/home" = {
+    device = "/dev/disk/by-uuid/0d5c4e16-b584-4fa2-989a-17e5264886b0";
+    fsType = "btrfs";
+    options = [
+      "subvol=home"
+      "compress=zstd:1"
+      "noatime"
+    ];
+  };
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/0d5c4e16-b584-4fa2-989a-17e5264886b0";
+    fsType = "btrfs";
+    options = [
+      "subvol=nix"
+      "compress=zstd:1"
+      "noatime"
+    ];
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/332B-8C27";
+    fsType = "vfat";
+    options = [
+      "fmask=0022"
+      "dmask=0022"
+    ];
+  };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.ens3.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

host/solo/default.nix

@@ -2,18 +2,16 @@
 {
   networking.hostName = "solo";
 
-  services.xserver.enable = true;
-
   imports = with mod; [
-    collections.pc
     software.keyboard
-    software.games
     nvidia-gpu
     ./hardware-configuration.nix
   ];
 
-  powerManagement.enable = true;
-  powerManagement.cpuFreqGovernor = "performance";
+  powerManagement = {
+    enable = true;
+    cpuFreqGovernor = "performance";
+  };
 
   # ====== DON'T CHANGE ======
   system.stateVersion = "25.05";