config | get w1 working

hosts/fred/default.nix

@@ -17,5 +17,16 @@
     # ../server/unifi.nix
   ];
   networking.hostName = "fred";
-  boot.binfmt.emulatedSystems = ["aarch64-linux"];
+  boot = {
+    binfmt.emulatedSystems = ["aarch64-linux"];
+    loader = {
+      systemd-boot = {
+        enable = true;
+      };
+      efi = {
+        canTouchEfiVariables = true;
+        efiSysMountPoint = "/boot";
+      };
+    };
+  };
 }

hosts/server/default.nix

@@ -69,15 +69,15 @@ in {
   boot = {
     kernelPackages = pkgs.linuxPackages_latest;
     kernelParams = ["consoleblank=60"];
-    loader = {
-      systemd-boot = {
-        enable = true;
-      };
-      efi = {
-        canTouchEfiVariables = true;
-        efiSysMountPoint = "/boot";
-      };
-    };
+    #loader = {
+      #systemd-boot = {
+        #enable = true;
+      #};
+      #efi = {
+        #canTouchEfiVariables = true;
+        #efiSysMountPoint = "/boot";
+      #};
+    #};
     plymouth = {
       enable = true;
     };

hosts/w1/default.nix

@@ -16,4 +16,17 @@
     # ../server/searxng.nix
   ];
   networking.hostName = "w1";
+  boot = {
+    initrd = {
+      availableKernelModules = [ "ata_piix" "uhci_hcd" "xen_blkfront" "vmw_pvscsi" ];
+      kernelModules = [ "nvme" ];
+    };
+    loader = {
+      grub = {
+        enable = true;
+        device = "/dev/sda";
+        efiSupport = false;
+      };
+    };
+  };
 }

hosts/w1/disko.nix

@@ -0,0 +1,39 @@
+{
+  disko.devices = {
+    disk = {
+      vdb = {
+        device = "/dev/sda";
+        type = "disk";
+        content = {
+          type = "table";
+          format = "gpt";
+          partitions = [
+            {
+              name = "ESP";
+              start = "1M";
+              end = "500M";
+              bootable = true;
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            }
+            {
+              name = "root";
+              start = "500M";
+              end = "100%";
+              part-type = "primary";
+              bootable = true;
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            }
+          ];
+        };
+      };
+    };
+  };
+}

hosts/w1/hardware-configuration.nix

@@ -1,9 +1,37 @@
-{ modulesPath, ... }:
-{
-  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
-  boot.loader.grub.device = "/dev/sda";
-  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "xen_blkfront" "vmw_pvscsi" ];
-  boot.initrd.kernelModules = [ "nvme" ];
-  fileSystems."/" = { device = "/dev/sda1"; fsType = "ext4"; };
+# 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 = [ "ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/sda1";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/sda15";
+      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.enp1s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 }