diff --git a/flake.lock b/flake.lock
index 8d72be9..e1414be 100644
--- a/flake.lock
+++ b/flake.lock
@@ -909,6 +909,43 @@
         "type": "github"
       }
     },
+    "lib-net": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1596309860,
+        "narHash": "sha256-izAzepR/6cDvnRfaa2ceSolMLMwqzQB5x9q62aR5J2g=",
+        "type": "tarball",
+        "url": "https://gist.github.com/duairc/5c9bb3c922e5d501a1edb9e7b3b845ba/archive/3885f7cd9ed0a746a9d675da6f265d41e9fd6704.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://gist.github.com/duairc/5c9bb3c922e5d501a1edb9e7b3b845ba/archive/3885f7cd9ed0a746a9d675da6f265d41e9fd6704.tar.gz"
+      }
+    },
+    "microvm": {
+      "inputs": {
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "spectrum": "spectrum"
+      },
+      "locked": {
+        "lastModified": 1704120350,
+        "narHash": "sha256-s5BOPAnVc4e/4WvGDeeF3VSLAWzBUB+YW6fJb3pFbRw=",
+        "owner": "astro",
+        "repo": "microvm.nix",
+        "rev": "d5553b1388f2947915c4cec6249b89474046573a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "astro",
+        "repo": "microvm.nix",
+        "type": "github"
+      }
+    },
     "nix-darwin": {
       "inputs": {
         "nixpkgs": [
@@ -1012,17 +1049,18 @@
       "inputs": {
         "devshell": "devshell_3",
         "flake-utils": "flake-utils_4",
+        "lib-net": "lib-net",
         "nixpkgs": [
           "nixpkgs"
         ],
         "pre-commit-hooks": "pre-commit-hooks_2"
       },
       "locked": {
-        "lastModified": 1704474098,
-        "narHash": "sha256-qeSqlbSQAhvtcBsn0SUpAiGwAqVLMbxOkm6NX+NHNPI=",
+        "lastModified": 1704938286,
+        "narHash": "sha256-/uv+N2v5ixqYz7SG8R5GWOTdrNKboHEp85BR5Jdz6qE=",
         "owner": "oddlama",
         "repo": "nixos-extra-modules",
-        "rev": "7013e9116ddfde2e39a16b6ae8c26d869e2dbe98",
+        "rev": "c55f465ba1f369852ab4122a9fa42c85b4a571de",
         "type": "github"
       },
       "original": {
@@ -1408,6 +1446,7 @@
         "home-manager": "home-manager",
         "impermanence": "impermanence",
         "lanzaboote": "lanzaboote",
+        "microvm": "microvm",
         "nix-index-database": "nix-index-database",
         "nixos-extra-modules": "nixos-extra-modules",
         "nixos-generators": "nixos-generators",
@@ -1448,6 +1487,22 @@
         "type": "github"
       }
     },
+    "spectrum": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1703273931,
+        "narHash": "sha256-CJ1Crdi5fXHkCiemovsp20/RC4vpDaZl1R6V273FecI=",
+        "ref": "refs/heads/main",
+        "rev": "97e2f3429ee61dc37664b4d096b2fec48a57b691",
+        "revCount": 597,
+        "type": "git",
+        "url": "https://spectrum-os.org/git/spectrum"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://spectrum-os.org/git/spectrum"
+      }
+    },
     "spicetify-nix": {
       "inputs": {
         "flake-utils": "flake-utils_7",
diff --git a/flake.nix b/flake.nix
index 22a87cd..1243864 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,6 +12,11 @@
       url = "github:oddlama/nixos-extra-modules";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    microvm = {
+      url = "github:astro/microvm.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.flake-utils.follows = "flake-utils";
+    };
 
     # to prevent multiple instances of systems
     systems.url = "github:nix-systems/default";
@@ -103,6 +108,7 @@
     devshell,
     wired-notify,
     nixvim,
+    nixos-extra-modules,
     ...
   } @ inputs: let
     inherit (nixpkgs) lib;
@@ -144,6 +150,7 @@
           ++ import ./pkgs
           ++ [
             # nixpkgs-wayland.overlay
+            nixos-extra-modules.overlays.default
             devshell.overlays.default
             agenix-rekey.overlays.default
             wired-notify.overlays.default
diff --git a/hosts/desktopnix/fs.nix b/hosts/desktopnix/fs.nix
index 53d679e..f2e3531 100644
--- a/hosts/desktopnix/fs.nix
+++ b/hosts/desktopnix/fs.nix
@@ -12,9 +12,9 @@
           type = "table";
           format = "gpt";
           partitions = [
-            (partEfiBoot "boot" "0%" "2GiB")
+            (partEfi "boot" "0%" "2GiB")
             (partSwap "swap" "2GiB" "18GiB")
-            (partLuksZfs "rpool" "rpool" "18GiB" "100%")
+            (partLuksZfs "m2-ssd" "rpool" "18GiB" "100%")
           ];
         };
       };
@@ -25,26 +25,22 @@
           type = "table";
           format = "gpt";
           partitions = [
-            (partLuksZfs "panzer" "panzer" "0%" "100%")
+            (partLuksZfs "sata-hdd" "panzer" "0%" "100%")
           ];
         };
       };
     };
     zpool = with lib.disko.zfs; {
-      rpool = defaultZpoolOptions // {datasets = defaultZfsDatasets;};
-      panzer =
-        defaultZpoolOptions
-        // {
-          datasets = {
-            "local" = unmountable;
-            "local/state" = filesystem "/panzer/state";
-          };
+      rpool = mkZpool {datasets = impermanenceZfsDatasets;};
+      panzer = mkZpool {
+        datasets = {
+          "local" = unmountable;
+          "local/state" = filesystem "/panzer/state";
         };
+      };
     };
   };
   fileSystems."/state".neededForBoot = true;
   fileSystems."/persist".neededForBoot = true;
   fileSystems."/panzer/state".neededForBoot = true;
-  boot.initrd.luks.devices.enc-rpool.allowDiscards = true;
-  boot.initrd.luks.devices.enc-panzer.allowDiscards = true;
 }
diff --git a/hosts/patricknix/fs.nix b/hosts/patricknix/fs.nix
index ca3b62c..b88cf41 100644
--- a/hosts/patricknix/fs.nix
+++ b/hosts/patricknix/fs.nix
@@ -25,5 +25,4 @@
   };
   fileSystems."/state".neededForBoot = true;
   fileSystems."/persist".neededForBoot = true;
-  boot.initrd.luks.devices.enc-rpool.allowDiscards = true;
 }
diff --git a/lib/default.nix b/lib/default.nix
index d19828f..4288ee8 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -1,5 +1,4 @@
 inputs: [
-  (import ./disko.nix inputs)
   (import ./containers.nix inputs)
   (import ./misc.nix inputs)
 ]
diff --git a/lib/disko.nix b/lib/disko.nix
deleted file mode 100644
index b3774e1..0000000
--- a/lib/disko.nix
+++ /dev/null
@@ -1,85 +0,0 @@
-_inputs: _self: super: {
-  lib =
-    super.lib
-    // {
-      disko = {
-        gpt = {
-          partGrub = name: start: end: {
-            inherit name start end;
-            part-type = "primary";
-            flags = ["bios_grub"];
-          };
-          partEfiBoot = name: start: end: {
-            inherit name start end;
-            fs-type = "fat32";
-            bootable = true;
-            content = {
-              type = "filesystem";
-              format = "vfat";
-              mountpoint = "/boot";
-            };
-          };
-          partSwap = name: start: end: {
-            inherit name start end;
-            fs-type = "linux-swap";
-            content = {
-              type = "swap";
-              randomEncryption = true;
-            };
-          };
-          partLuksZfs = name: pool: start: end: {
-            inherit start end;
-            name = "enc-${name}";
-            content = {
-              type = "luks";
-              name = "enc-${name}";
-              extraOpenArgs = ["--allow-discards"];
-              content = {
-                type = "zfs";
-                inherit pool;
-              };
-            };
-          };
-        };
-        zfs = rec {
-          defaultZpoolOptions = {
-            type = "zpool";
-            rootFsOptions = {
-              compression = "zstd";
-              acltype = "posix";
-              atime = "off";
-              xattr = "sa";
-              dnodesize = "auto";
-              mountpoint = "none";
-              canmount = "off";
-              devices = "off";
-            };
-            options.ashift = "12";
-          };
-          defaultZfsDatasets = {
-            "local" = unmountable;
-            "local/root" =
-              filesystem "/"
-              // {
-                postCreateHook = "zfs snapshot rpool/local/root@blank";
-              };
-            "local/nix" = filesystem "/nix";
-            "local/state" = filesystem "/state";
-            "safe" = unmountable;
-            "safe/containers" = unmountable;
-            "safe/persist" = filesystem "/persist";
-          };
-          unmountable = {type = "zfs_fs";};
-          filesystem = mountpoint: {
-            type = "zfs_fs";
-            options = {
-              canmount = "noauto";
-              inherit mountpoint;
-            };
-            inherit mountpoint;
-            # needed for initrd dependency
-          };
-        };
-      };
-    };
-}
diff --git a/lib/misc.nix b/lib/misc.nix
index 7611683..7b262be 100644
--- a/lib/misc.nix
+++ b/lib/misc.nix
@@ -1,30 +1,10 @@
 _inputs: _self: super: let
-  inherit
-    (super.lib)
-    unique
-    foldl'
-    filter
-    ;
-
-  # Counts how often each element occurrs in xs.
-  # Elements must be strings.
-  countOccurrences =
-    foldl'
-    (acc: x: acc // {${x} = (acc.${x} or 0) + 1;})
-    {};
-  # Returns all elements in xs that occur at least twice
-  duplicates = xs: let
-    occurrences = countOccurrences xs;
-  in
-    unique (filter (x: occurrences.${x} > 1) xs);
   writeText = text: (super.writeText (builtins.hashString "sha256" "${text}") "${text}");
 in {
   lib =
     super.lib
     // {
       inherit
-        countOccurrences
-        duplicates
         writeText
         ;
     };
diff --git a/modules/meta.nix b/modules/meta.nix
index 124dc9e..97613e6 100644
--- a/modules/meta.nix
+++ b/modules/meta.nix
@@ -1,8 +1,4 @@
-{
-  config,
-  lib,
-  ...
-}: let
+{lib, ...}: let
   inherit
     (lib)
     mkOption
@@ -10,18 +6,9 @@
     ;
 in {
   options.node = {
-    name = mkOption {
-      description = "A unique name for this node (host) in the repository. Defines the default hostname, but this can be overwritten.";
-      type = types.str;
-    };
-
     secretsDir = mkOption {
       description = "Path to the secrets directory for this node.";
       type = types.path;
     };
   };
-
-  config = {
-    networking.hostName = config.node.name;
-  };
 }
diff --git a/modules/services/nextcloud.nix b/modules/services/nextcloud.nix
index 30a96a4..984a42f 100644
--- a/modules/services/nextcloud.nix
+++ b/modules/services/nextcloud.nix
@@ -75,6 +75,7 @@ in {
         database.createLocally = true;
         phpOptions."opcache.interned_strings_buffer" = "32";
         extraOptions = {
+          default_phone_region = "DE";
           trusted_proxies = ["192.168.178.32"];
           overwriteprotocol = "https";
           enabledPreviewProviders = [
@@ -92,7 +93,6 @@ in {
           ];
         };
         config = {
-          defaultPhoneRegion = "DE";
           dbtype = "pgsql";
         };
       };