Refactor, add roam using colmena

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";
+}