6 files changed, 131 insertions, 18 deletions
diff --git a/modules/nixos/boot/109-199-104-83.nix b/modules/nixos/boot/109-199-104-83.nix
index ec2def1..d54de8e 100644
--- a/modules/nixos/boot/109-199-104-83.nix
+++ b/modules/nixos/boot/109-199-104-83.nix
@@ -1,3 +1,7 @@
 {
-  boot.loader.grub.device = "/dev/sda";
+  boot.loader.grub = {
+    devices = ["/dev/sda"];
+    efiSupport = true;
+    efiInstallAsRemovable = true;
+  };
 }
diff --git a/modules/nixos/impermanence.nix b/modules/nixos/impermanence.nix
index 7f0062b..91e0dd7 100644
--- a/modules/nixos/impermanence.nix
+++ b/modules/nixos/impermanence.nix
@@ -7,6 +7,7 @@
       "/var/log"
       "/var/lib/nixos"
       "/var/lib/systemd/coredump"
+      "/etc/ssh"
     ];
     files = [
       "/etc/machine-id"
diff --git a/modules/nixos/laptop.nix b/modules/nixos/laptop.nix
index 9002c49..314fead 100644
--- a/modules/nixos/laptop.nix
+++ b/modules/nixos/laptop.nix
@@ -33,7 +33,5 @@
     "/var/lib/bluetooth"
     # wifi connections
     "/etc/NetworkManager/system-connections"
-    # machine ssh keys
-    "/etc/ssh"
   ];
 }
diff --git a/modules/nixos/machines/109-199-104-83.nix b/modules/nixos/machines/109-199-104-83.nix
new file mode 100644
index 0000000..85399e9
--- /dev/null
+++ b/modules/nixos/machines/109-199-104-83.nix
@@ -0,0 +1,49 @@
+# 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 = ["ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = [];
+  boot.extraModulePackages = [];
+
+  fileSystems."/" = {
+    device = "tmpfs";
+    fsType = "tmpfs";
+    options = ["defaults" "mode=755"];
+  };
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/3457e181-b01d-4712-809d-c8b65e863992";
+    fsType = "btrfs";
+    options = ["subvol=nix"];
+  };
+
+  fileSystems."/persist" = {
+    device = "/dev/disk/by-uuid/3457e181-b01d-4712-809d-c8b65e863992";
+    fsType = "btrfs";
+    options = ["subvol=persist"];
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/05FB-0941";
+    fsType = "vfat";
+    options = ["fmask=0022" "dmask=0022"];
+  };
+
+  swapDevices = [];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+
+  system.stateVersion = "26.05";
+}
diff --git a/modules/nixos/machines/lenovo.nix b/modules/nixos/machines/lenovo.nix
new file mode 100644
index 0000000..86255b1
--- /dev/null
+++ b/modules/nixos/machines/lenovo.nix
@@ -0,0 +1,73 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: {
+  imports = [(modulesPath + "/installer/scan/not-detected.nix")];
+  boot.initrd.availableKernelModules = ["xhci_pci" "nvme" "sdhci_pci"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm-intel"];
+  boot.extraModulePackages = [];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/5455cfb4-0efd-4f55-b496-d2cab3f419b7";
+    fsType = "btrfs";
+    options = ["subvol=root"];
+  };
+
+  boot.initrd.postResumeCommands = lib.mkAfter ''
+    mkdir /btrfs_tmp
+    mount ${config.fileSystems."/".device} /btrfs_tmp
+    if [[ -e /btrfs_tmp/root ]]; then
+      mkdir -p /btrfs_tmp/old_roots
+      timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:$M:%S")
+      mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
+    fi
+
+    delete_subvolume_recursively() {
+      IFS=$'\n'
+      for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
+        delete_subvolume_recursively "/btrfs_tmp/$i"
+      done
+      btrfs subvolume delete "$1"
+    }
+
+    for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
+      delete_subvolume_recursively "$i"
+    done
+
+    btrfs subvolume create /btrfs_tmp/root
+    mkdir /btrfs_tmp/root/persist
+    mkdir /btrfs_tmp/root/etc
+    mount ${config.fileSystems."/persist".device} /btrfs_tmp/root/persist -o subvol=persist
+    cp /btrfs_tmp/root/persist/etc/ssh /btrfs_tmp/root/etc/ssh -r
+    umount /btrfs_tmp/root/persist
+    rm -r /btrfs_tmp/root/persist
+    umount /btrfs_tmp
+  '';
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/0e586651-36f4-42b0-99b3-3f0704a894d6";
+    fsType = "btrfs";
+  };
+
+  fileSystems."/persist" = {
+    device = "/dev/disk/by-uuid/5455cfb4-0efd-4f55-b496-d2cab3f419b7";
+    fsType = "btrfs";
+    options = ["subvol=persist"];
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/F425-55BA";
+    fsType = "vfat";
+    options = ["fmask=0022" "dmask=0022"];
+  };
+
+  swapDevices = [];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  system.stateVersion = "26.05";
+}
diff --git a/modules/nixos/networking/networks/109-199-104-83.nix b/modules/nixos/networking/networks/109-199-104-83.nix
index 2cacb55..ad599b1 100644
--- a/modules/nixos/networking/networks/109-199-104-83.nix
+++ b/modules/nixos/networking/networks/109-199-104-83.nix
@@ -1,7 +1,6 @@
 {
   networking = {
-    useNetworkd = true;
-    usePredictableInterfaceNames = true;
+    useDHCP = false;
     hostName = "109-199-104-83";
     firewall = {
       enable = true;
@@ -9,19 +8,8 @@
       allowedUDPPorts = [80 443];
     };
   };
-  systemd.network = {
+  services.cloud-init = {
     enable = true;
-    networks."40-wan" = {
-      matchConfig.Name = "enx0050565f4fff";
-      address = ["2a02:c207:2299:8419::1/64" "109.199.104.83/20"];
-      routes = [
-        {
-          Gateway = "109.199.96.1";
-          GatewayOnLink = true;
-        }
-        {Gateway = "fe80::1";}
-      ];
-      dns = ["2620:fe::fe" "9.9.9.9"];
-    };
+    network.enable = true;
   };
 }