Rename some hostnames

hosts/xenia/boot/default.nix

@@ -0,0 +1,7 @@
+{ pkgs, ... }:
+{
+  boot = {
+    kernelPackages = pkgs.linuxPackages_latest;
+    kernel.sysctl."vm.max_map_count" = 2147483642;
+  };
+}

hosts/xenia/default.nix

@@ -0,0 +1,14 @@
+{ ... }:
+{
+  imports = [
+    ./boot
+    ./disko
+    ./hardware
+    ../../modules/system
+  ];
+
+  system.lanzaboote.enable = true;
+  system.wireguard.client.enable = false;
+
+  networking.hostName = "detritus";
+}

hosts/xenia/disko/default.nix

@@ -0,0 +1,96 @@
+{ disko, config, ... }:
+{
+  imports = [ disko.nixosModules.disko ];
+
+  disko.devices = {
+    disk = {
+      "${config.networking.hostName}" = {
+        type = "disk";
+        device = "/dev/sda";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "2G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+            luks = {
+              size = "100%";
+              content = {
+                type = "luks";
+                name = "${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" ];
+                };
+                "/prev" = {
+                  mountpoint = "/prev";
+                  mountOptions = [ "compress=zstd" "noatime" ];
+                };
+                "/nix" = {
+                  mountpoint = "/nix";
+                  mountOptions = [ "compress=zstd" "noatime" ];
+                };
+
+                # Impermanence
+                "/persist" = {
+                  mountpoint = "/persist";
+                  mountOptions = [ "compress=zstd" "noatime" ];
+                };
+                "/persist/.snapshots" = { };
+
+                "/jimbo" = {
+                  mountpoint = "/persist/home/jimbo";
+                  mountOptions = [ "compress=zstd" "noatime" ];
+                };
+                "/jimbo/.snapshots" = { };
+              };
+            };
+          };
+          swap = {
+            size = "8G";
+            content = {
+              type = "swap";
+              discardPolicy = "both";
+            };
+          };
+        };
+      };
+    };
+  };
+
+  # Needed for impermanence
+  fileSystems = {
+    "/persist".neededForBoot = true;
+    "/persist/home/jimbo".neededForBoot = true;
+  };
+}

hosts/xenia/hardware/default.nix

@@ -0,0 +1,30 @@
+{ config, lib, pkgs, modulesPath, ... }:
+{
+  boot = {
+    kernelModules = [ "kvm-intel" ];
+    initrd = {
+      availableKernelModules = [
+        "ehci_pci"
+	"ata_piix"
+	"usbhid"
+	"usb_storage"
+	"sd_mod"
+	"sr_mod"
+      ];
+      kernelModules = [ "dm-snapshot" ];
+    };
+  };
+
+  fileSystems = {
+    # Network mounts
+    "/home/jimbo/JimboNFS" = {
+      device = "${config.ips.server}:/export/JimboNFS";
+      fsType = "nfs4";
+      options = [ "x-systemd.automount" "_netdev" "nofail" "noauto" ];
+    };
+  };
+
+  networking.useDHCP = lib.mkDefault true;
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/xenia/id_ed25519.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEpUrqdoWah4q4CC4yyhwhznjzKHY8w2a0GYfla9nY9n