Add new puter, Midas

flake.nix

@@ -63,6 +63,7 @@
       extern = mkNix [ ./hosts/extern ]; # External Drive/USB
 
       kitty = mkNix [ ./hosts/kitty ]; # Dell Optiplex 7010
+      midas = mkNix [ ./hosts/midas ]; # Dell Optiplex 5040
       prophet = mkNix [ ./hosts/prophet ]; # Oracle Neoverse-N1
     };
 

hosts/midas/boot/default.nix

@@ -0,0 +1,4 @@
+{ pkgs, ... }:
+{
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+}

hosts/midas/default.nix

@@ -0,0 +1,24 @@
+{ pkgs, ... }:
+{
+  imports = [
+    #./boot
+    ./disko
+    #./filesystems
+    ./hardware
+    ./users
+    ../../modules/system
+  ];
+
+  networking = {
+    hostName = "midas";
+    hostId = "462433de";
+  };
+
+  system = {
+    desktop.enable = true;
+    #lanzaboote.enable = true;
+    wireless.enable = false;
+    libvirtd.enable = true;
+    stateVersion = "24.11";
+  };
+}

hosts/midas/disko/default.nix

@@ -0,0 +1,90 @@
+{ disko, config, ... }:
+{
+  imports = [ disko.nixosModules.disko ];
+
+  disko.devices = {
+    disk = {
+      "${config.networking.hostName}" = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              priority = 1;
+              size = "2G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+            luks = {
+              size = "100%";
+              content = {
+                type = "luks";
+                name = "${config.networking.hostName}-disk";
+                settings.allowDiscards = true;
+                passwordFile = "/tmp/secret.key";
+                content = {
+                  type = "lvm_pv";
+                  vg = "${config.networking.hostName}";
+                };
+              };
+            };
+          };
+        };
+      };
+    };
+
+    lvm_vg = {
+      "${config.networking.hostName}" = {
+        type = "lvm_vg";
+        lvs = {
+          root = {
+            size = "100%";
+            content = {
+              type = "btrfs";
+              extraArgs = [ "-f" ];
+              subvolumes = {
+                "/root" = {
+                  mountpoint = "/";
+                  mountOptions = [ "compress=zstd" "noatime" "ssd" ];
+                };
+                "/prev" = {
+                  mountpoint = "/prev";
+                  mountOptions = [ "compress=zstd" "noatime" "ssd" "noexec" ];
+                };
+                "/nix" = {
+                  mountpoint = "/nix";
+                  mountOptions = [ "compress=zstd" "noatime" "ssd" ];
+                };
+
+                # Impermanence
+                "/persist" = {
+                  mountpoint = "/persist";
+                  mountOptions = [ "compress=zstd" "noatime" "ssd" ];
+                };
+                "/persist/.snapshots" = { };
+                "/persist/home/${config.sysusers.main}" = { };
+                "/persist/home/${config.sysusers.main}/.snapshots" = { };
+              };
+            };
+          };
+          swap = {
+            size = "8G";
+            content = {
+              type = "swap";
+              discardPolicy = "both";
+            };
+          };
+        };
+      };
+    };
+  };
+
+  # Needed for impermanence
+  fileSystems."/persist".neededForBoot = true;
+}

hosts/midas/filesystems/default.nix

@@ -0,0 +1,48 @@
+{ config, ... }:
+{
+  fileSystems = {
+    # Games and such
+    "/mnt/Linux1" = {
+      device = "/dev/disk/by-uuid/b2901f8c-ffda-4b88-bb63-a9ea0c96ccb4";
+      fsType = "ext4";
+      options = [ "nosuid" "nodev" "nofail" "x-gvfs-show" ];
+    };
+    "/mnt/Linux2" = {
+      device = "/dev/disk/by-uuid/f08e4f38-162c-402f-ba2a-5925151b78bf";
+      fsType = "ext4";
+      options = [ "nosuid" "nodev" "nofail" "x-gvfs-show" ];
+    };
+    "/mnt/Linux3" = {
+      device = "/dev/disk/by-uuid/e7bc75bd-c371-4b28-b212-7be9b1fad339";
+      fsType = "ext4";
+      options = [ "nosuid" "nodev" "nofail" "x-gvfs-show" ];
+    };
+    "/mnt/Windows1" = {
+      device = "/dev/disk/by-uuid/48F5C6E06416229C";
+      options = [ "nosuid" "nodev" "noauto" ];
+    };
+    "/mnt/Windows2" = {
+      device = "/dev/disk/by-uuid/0A5A3420237C863A";
+      options = [ "nosuid" "nodev" "noauto" ];
+    };
+
+    # Bulk storage mounts
+    "/persist/var/lib/libvirt" = {
+      device = "/dev/disk/by-uuid/abf78669-de2a-4afa-8e62-604f4e4cb355";
+      fsType = "btrfs";
+      options = [ "subvol=libvirt" "nosuid" "nodev" "nofail" ];
+    };
+    "/persist/home/${config.sysusers.main}/VMs" = {
+      device = "/dev/disk/by-uuid/abf78669-de2a-4afa-8e62-604f4e4cb355";
+      fsType = "btrfs";
+      options = [ "subvol=images" "nosuid" "nodev" "nofail" ];
+    };
+
+    # Network mounts
+    "/home/${config.sysusers.main}/KittyNFS" = {
+      device = "${config.ips.server}:/export/KittyNFS";
+      fsType = "nfs4";
+      options = [ "x-systemd.automount" "noauto" "soft" "_netdev" ];
+    };
+  };
+}

hosts/midas/hardware/default.nix

@@ -0,0 +1,12 @@
+# nixos-generate-config --root ./ --no-filesystems
+{ config, lib, modulesPath, ... }:
+{
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
+
+  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+
+  networking.useDHCP = lib.mkDefault true;
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/midas/users/default.nix

@@ -0,0 +1,4 @@
+{ ... }:
+{
+  imports = [ ./main ];
+}

hosts/midas/users/main/default.nix

@@ -0,0 +1,11 @@
+{ config, lib, ... }:
+{
+  home-manager.users."${config.sysusers.main}" = {
+    home = {
+      desktop.enable = true;
+      gaming.enable = true;
+      production.enable = true;
+      stateVersion = lib.mkForce config.system.stateVersion;
+    };
+  };
+}