Add back the PineBook for later and make etc immutable

hosts/axolotl/boot/default.nix

@@ -0,0 +1,40 @@
+{ pkgs, ... }:
+{
+  boot = {
+    kernelPackages = pkgs.linuxPackages_latest;
+    kernel.sysctl."vm.max_map_count" = 2147483642;
+
+    initrd = {
+      systemd = {
+        enable = true;
+        services.root-reset = {
+          description = "Reset BTRFS root and snapshot last boot";
+          wantedBy = [ "initrd.target" ];
+          after = [ "dev-nixos-root.device" ];
+          before = [ "sysroot.mount" ];
+          unitConfig.DefaultDependencies = "no";
+          serviceConfig.Type = "oneshot";
+          script = ''
+            mkdir -p /mnt
+            mount /dev/nixos/root /mnt
+
+            if [[ -e /mnt/@prev ]]; then
+              btrfs subvolume delete /mnt/@prev
+            fi
+
+            btrfs subvolume snapshot /mnt/@ /mnt/@prev
+
+            btrfs subvolume list -o /mnt/@ | cut -f9 -d' ' | while read subvolume; do
+              btrfs subvolume delete "/mnt/$subvolume"
+            done
+
+            btrfs subvolume delete /mnt/@
+            btrfs subvolume create /mnt/@
+
+            umount /mnt
+          '';
+	};
+      };
+    };
+  };
+}

hosts/axolotl/default.nix

@@ -0,0 +1,29 @@
+{ config, ... }:
+{
+  imports = [
+    ./boot
+    ./disko
+    ./hardware
+
+    # Apps and programs
+    ../../modules/system
+    ../../modules/system/accounts
+    ../../modules/system/desktop
+    ../../modules/system/programs
+    ../../modules/system/services
+
+    # Devices and hardware
+    ../../modules/system/devices
+    ../../modules/system/devices/boot/systemd
+    ../../modules/system/devices/networking/wireless
+    ../../modules/system/devices/networking/firewall/pc
+    ../../modules/system/devices/networking/wireguard/pc
+
+    # Extras
+    ../../overlays
+    ../../variables
+  ];
+
+  networking.hostName = "redmond";
+  networking.wireguard.interfaces."${config.ips.wgInt}".ips = [ "${config.ips.wgSpan}.20/24" ];
+}

hosts/axolotl/disko/default.nix

@@ -0,0 +1,96 @@
+{ disko, config, ... }:
+{
+  imports = [ disko.nixosModules.disko ];
+
+  disko.devices = {
+    disk = {
+      "${config.networking.hostName}" = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "2G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "fmask=0022" "dmask=0022" ];
+              };
+            };
+            luks = {
+              size = "100%";
+              content = {
+                type = "luks";
+                name = "crypt-nvme";
+                settings.allowDiscards = true;
+                passwordFile = "/tmp/secret.key";
+                content = {
+                  type = "lvm_pv";
+                  vg = "${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/axolotl/hardware/default.nix

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+{ config, lib, pkgs, modulesPath, ... }:
+{
+  boot = {
+    kernelModules = [ "kvm-amd" ];
+    initrd = {
+      availableKernelModules = [
+        "xhci_pci"
+        "ahci"
+        "ehci_pci"
+        "sd_mod"
+        "sr_mod"
+        "sdhci_pci"
+        "rtsx_usb_sdmmc"
+      ];
+    };
+  };
+
+  fileSystems = {
+    "/home/jimbo/JimboNFS" = {
+      device = "${config.ips.wgSpan}.1:/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.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/axolotl/id_ed25519.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIG9uITpyw5WgxT7UnswueFtyWxAqQCZv4h9DfcDkr+kn