now using flake-parts; refactored nixosConfigurations; using hm standalone

hosts/trantor/boot.nix

@@ -0,0 +1,6 @@
+{
+  boot = {
+    loader.efi.efiSysMountPoint = "/boot";
+    initrd.systemd.enable = true;
+  };
+}

hosts/trantor/disko.nix

@@ -0,0 +1,36 @@
+{ inputs, ... }:
+
+{
+  imports = [ inputs.disko.nixosModules.default ];
+
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/disk/by-id/scsi-3605e4addb4c640319c8c03436205530b";
+        content = {
+          type = "gpt";
+          partitions = {
+            boot = {
+              size = "512M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

hosts/trantor/hardware-configuration.nix

@@ -0,0 +1,27 @@
+{
+  lib,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
+
+  boot = {
+    kernelModules = [ ];
+    extraModulePackages = [ ];
+    initrd = {
+      availableKernelModules = [
+        "xhci_pci"
+        "virtio_pci"
+        "virtio_scsi"
+        "usbhid"
+      ];
+      kernelModules = [ ];
+    };
+  };
+
+  networking.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
+}

hosts/trantor/networking.nix

@@ -0,0 +1,8 @@
+{
+  networking = {
+    firewall = {
+      allowedTCPPorts = [ 25566 ];
+      allowedUDPPorts = [ 25566 ];
+    };
+  };
+}