diff --git a/hosts/game-laptop/default.nix b/hosts/game-laptop/default.nix
index 96f9460..73f1b9e 100644
--- a/hosts/game-laptop/default.nix
+++ b/hosts/game-laptop/default.nix
@@ -1,6 +1,7 @@
 _: {
   pkgs,
   config,
+  lib,
   ...
 }: {
   local = {
@@ -15,13 +16,13 @@ _: {
       enable = true;
       kmscon.enable = true;
     };
+    allowedUnfree = [
+      "nvidia-x11"
+      "nvidia-persistenced"
+      "steam"
+      "steam-original"
+    ];
   };
-  nixpkgs.allowedUnfree = [
-    "nvidia-x11"
-    "nvidia-persistenced"
-    "steam"
-    "steam-original"
-  ];
   environment = {
     systemPackages = builtins.attrValues {
       inherit
@@ -38,8 +39,8 @@ _: {
         ;
     };
     etc = {
-      "jdks/17".source = "${pkgs.openjdk17}/bin";
-      "jdks/8".source = "${pkgs.openjdk8}/bin";
+      "jdks/17".source = lib.getBin pkgs.openjdk17;
+      "jdks/8".source = lib.getBin pkgs.openjdk8;
     };
   };
   networking = {
diff --git a/hosts/game-laptop/disko.nix b/hosts/game-laptop/disko.nix
index adbcd68..0874fd8 100644
--- a/hosts/game-laptop/disko.nix
+++ b/hosts/game-laptop/disko.nix
@@ -1,5 +1,4 @@
-{disko, ...}: {disks ? [], ...}: {
-  dummyvalue = {inherit disks;};
+{disko, ...}: {
   imports = [disko.nixosModules.disko];
   disko.devices = {
     disk.nvme0n1 = {
diff --git a/hosts/gerg-desktop/default.nix b/hosts/gerg-desktop/default.nix
index 9d310f7..90072c5 100644
--- a/hosts/gerg-desktop/default.nix
+++ b/hosts/gerg-desktop/default.nix
@@ -1,6 +1,7 @@
 {nvim-flake, ...}: {
   pkgs,
   config,
+  lib,
   ...
 }: {
   local = {
@@ -18,6 +19,11 @@
       enable = true;
       kmscon.enable = true;
     };
+    allowedUnfree = [
+      "nvidia-x11"
+      "steam"
+      "steam-original"
+    ];
   };
   boot.binfmt.emulatedSystems = ["aarch64-linux"];
   hardware.nvidia = {
@@ -31,11 +37,6 @@
     videoDrivers = ["nvidia" "amdgpu"];
   };
 
-  nixpkgs.allowedUnfree = [
-    "nvidia-x11"
-    "steam"
-    "steam-original"
-  ];
   programs.direnv = {
     enable = true;
     loadInNixShell = false;
@@ -67,8 +68,8 @@
       inherit (nvim-flake.packages.${pkgs.system}) neovim;
     };
     etc = {
-      "jdks/17".source = "${pkgs.openjdk17}/bin";
-      "jdks/8".source = "${pkgs.openjdk8}/bin";
+      "jdks/17".source = lib.getBin pkgs.openjdk17;
+      "jdks/8".source = lib.getBin pkgs.openjdk8;
     };
     shellAliases.lint = "deadnix -e && statix fix && alejandra ./";
   };
diff --git a/hosts/gerg-desktop/disko.nix b/hosts/gerg-desktop/disko.nix
index 638fbd8..4731863 100644
--- a/hosts/gerg-desktop/disko.nix
+++ b/hosts/gerg-desktop/disko.nix
@@ -1,119 +1,70 @@
-{disko, ...}: {disks ? [], ...}: {
-  dummyvalue = {inherit disks;};
+{disko, ...}: {lib, ...}: let
+  disks = [
+    "nvme-SHPP41-500GM_SSB4N6719101A4N22"
+    "nvme-SHPP41-500GM_SSB4N6719101A4N0E"
+  ];
+in {
   imports = [disko.nixosModules.disko];
   disko.devices = {
-    disk = {
-      nvme0 = {
-        type = "disk";
-        device = "/dev/disk/by-id/nvme-SHPP41-500GM_SSB4N6719101A4N22";
-        content = {
-          type = "table";
-          format = "gpt";
-          partitions = [
-            {
-              name = "boot";
-              start = "0";
-              end = "1M";
-              part-type = "primary";
-              flags = ["bios_grub"];
-            }
-            {
-              name = "ESP";
-              start = "1M";
-              end = "1G";
-              bootable = true;
-              content = {
-                type = "filesystem";
-                format = "vfat";
-                mountpoint = "/boot/efis/nvme-SHPP41-500GM_SSB4N6719101A4N22";
-              };
-            }
-            {
-              name = "zfsboot";
-              start = "1G";
-              end = "5G";
-              content = {
-                type = "zfs";
-                pool = "bpool";
-              };
-            }
-            {
-              name = "swap";
-              start = "5G";
-              end = "21G";
-              content = {
-                type = "swap";
-                randomEncryption = true;
-              };
-            }
-            {
-              name = "zfsroot";
-              start = "21G";
-              end = "100%";
-              content = {
-                type = "zfs";
-                pool = "rpool";
-              };
-            }
-          ];
+    disk = lib.mkMerge (map (x: {
+        ${x} = {
+          type = "disk";
+
+          device = "/dev/disk/by-id/${x}";
+          content = {
+            type = "table";
+            format = "gpt";
+            partitions = [
+              {
+                name = "boot";
+                start = "0";
+                end = "1M";
+                part-type = "primary";
+                flags = ["bios_grub"];
+              }
+              {
+                name = "ESP";
+                start = "1M";
+                end = "1G";
+                bootable = true;
+                content = {
+                  type = "filesystem";
+                  format = "vfat";
+                  mountpoint = "/boot/efis/${x}";
+                };
+              }
+              {
+                name = "zfsboot";
+                start = "1G";
+                end = "5G";
+                content = {
+                  type = "zfs";
+                  pool = "bpool";
+                };
+              }
+              {
+                name = "swap";
+                start = "5G";
+                end = "21G";
+                content = {
+                  type = "swap";
+                  randomEncryption = true;
+                };
+              }
+              {
+                name = "zfsroot";
+                start = "21G";
+                end = "100%";
+                content = {
+                  type = "zfs";
+                  pool = "rpool";
+                };
+              }
+            ];
+          };
         };
-      };
-      nvme1 = {
-        type = "disk";
-        device = "/dev/disk/by-id/nvme-SHPP41-500GM_SSB4N6719101A4N0E";
-        content = {
-          type = "table";
-          format = "gpt";
-          partitions = [
-            {
-              name = "BIOS";
-              start = "0";
-              end = "1M";
-              part-type = "primary";
-              flags = ["bios_grub"];
-            }
-            {
-              name = "ESP";
-              start = "1M";
-              end = "1G";
-              bootable = true;
-              content = {
-                type = "filesystem";
-                format = "vfat";
-                mountpoint = "/boot/efis/nvme-SHPP41-500GM_SSB4N6719101A4N0E";
-              };
-            }
-            {
-              name = "zfsboot";
-              start = "1G";
-              end = "5G";
-              content = {
-                type = "zfs";
-                pool = "bpool";
-              };
-            }
-            {
-              name = "swap";
-              start = "5G";
-              end = "21G";
-              content = {
-                type = "swap";
-                randomEncryption = true;
-              };
-            }
-            {
-              name = "zfsroot";
-              start = "21G";
-              end = "100%";
-              content = {
-                type = "zfs";
-                pool = "rpool";
-              };
-            }
-          ];
-        };
-      };
-    };
+      })
+      disks);
     zpool = {
       rpool = {
         type = "zpool";
@@ -139,26 +90,31 @@
             type = "zfs_fs";
             options.mountpoint = "legacy";
             mountpoint = "/";
+            postCreateHook = "zfs snapshot root@empty";
           };
           "nix" = {
             type = "zfs_fs";
             options.mountpoint = "legacy";
             mountpoint = "/nix";
+            postCreateHook = "zfs snapshot nix@empty";
           };
           "var" = {
             type = "zfs_fs";
             options.mountpoint = "legacy";
             mountpoint = "/var";
+            postCreateHook = "zfs snapshot var@empty";
           };
           "persist" = {
             type = "zfs_fs";
             options.mountpoint = "legacy";
             mountpoint = "/persist";
+            postCreateHook = "zfs snapshot persist@empty";
           };
           "home" = {
             type = "zfs_fs";
             options.mountpoint = "legacy";
             mountpoint = "/home";
+            postCreateHook = "zfs snapshot home@empty";
           };
         };
       };
@@ -185,6 +141,7 @@
             type = "zfs_fs";
             options.mountpoint = "legacy";
             mountpoint = "/boot";
+            postCreateHook = "zfs snapshot boot@empty";
           };
         };
       };
diff --git a/hosts/gerg-desktop/spicetify.nix b/hosts/gerg-desktop/spicetify.nix
index e6b0c29..09a439b 100644
--- a/hosts/gerg-desktop/spicetify.nix
+++ b/hosts/gerg-desktop/spicetify.nix
@@ -3,7 +3,7 @@
   ex = spicePkgs.extensions;
 in {
   imports = [spicetify-nix.nixosModule];
-  nixpkgs.allowedUnfree = ["spotify"];
+  local.allowedUnfree = ["spotify"];
   programs.spicetify = {
     enable = true;
     enabledExtensions = [
diff --git a/hosts/gerg-desktop/zfs.nix b/hosts/gerg-desktop/zfs.nix
index ef2a3e4..d86e25d 100644
--- a/hosts/gerg-desktop/zfs.nix
+++ b/hosts/gerg-desktop/zfs.nix
@@ -10,13 +10,10 @@ _: {
     "L  /etc/nixos/flake.nix  - - - - /home/gerg/Projects/nixos/flake.nix"
   ];
   #create machine-id for spotify
-  environment.etc = {
-    "machine-id".text = "b6431c2851094770b614a9cfa78fb6ea";
-  };
+  environment.etc."machine-id".text = "b6431c2851094770b614a9cfa78fb6ea";
   #make sure the sopskey is found
   sops.age.sshKeyPaths = lib.mkForce ["/persist/ssh/ssh_host_ed25519_key"];
   fileSystems."/persist".neededForBoot = true;
-
   boot = {
     zfs = {
       devNodes = "/dev/disk/by-id/";
@@ -33,6 +30,13 @@ _: {
       availableKernelModules = ["hid_generic"];
       #wipe / and /var on boot
       postDeviceCommands = lib.mkAfter ''
+        #destroy last snapshot
+        zfs destroy rpool/root@lastboot
+        zfs destroy rpool/var@lastboot
+        #create new snapshot
+        zfs snapshot rpool/root@lastboot
+        zfs snapshot rpool/var@lastboot
+        #wipe everything
         zfs rollback -r rpool/root@empty
         zfs rollback -r rpool/var@empty
       '';
@@ -62,9 +66,6 @@ _: {
           }
         ];
         splashImage = null;
-        extraConfig = ''
-          GRUB_TIMEOUT_STYLE=hidden
-        '';
       };
     };
   };
diff --git a/hosts/moms-laptop/disko.nix b/hosts/moms-laptop/disko.nix
index 7ab412a..cded87c 100644
--- a/hosts/moms-laptop/disko.nix
+++ b/hosts/moms-laptop/disko.nix
@@ -1,5 +1,4 @@
-{disko, ...}: {disks ? [], ...}: {
-  dummyvalue = {inherit disks;};
+{disko, ...}: {
   imports = [disko.nixosModules.disko];
   disko.devices = {
     disk.sda = {
diff --git a/hosts/moms-laptop/printing.nix b/hosts/moms-laptop/printing.nix
index 47957d8..db3084b 100644
--- a/hosts/moms-laptop/printing.nix
+++ b/hosts/moms-laptop/printing.nix
@@ -1,5 +1,5 @@
 _: {pkgs, ...}: {
-  nixpkgs.allowedUnfree = ["hplip"];
+  local.allowedUnfree = ["hplip"];
   environment.systemPackages = [
     pkgs.gimp
     (pkgs.xsane.override {gimpSupport = true;})
diff --git a/modules/boot/misc.nix b/modules/boot/misc.nix
index 6fa96be..45eb58a 100644
--- a/modules/boot/misc.nix
+++ b/modules/boot/misc.nix
@@ -44,7 +44,12 @@
       logo = "${self.packages.${pkgs.system}.images}/logo.png";
     };
     loader = {
-      grub.configurationLimit = 10;
+      grub = {
+        configurationLimit = 10;
+        extraConfig = ''
+          GRUB_TIMEOUT_STYLE=hidden
+        '';
+      };
       systemd-boot = {
         configurationLimit = 10;
         enable = lib.mkDefault true;
diff --git a/modules/direnv.nix b/modules/direnv.nix
deleted file mode 100644
index e00d4b4..0000000
--- a/modules/direnv.nix
+++ /dev/null
@@ -1,146 +0,0 @@
-_: {
-  lib,
-  config,
-  pkgs,
-  ...
-}: let
-  cfg = config.programs.direnv;
-in {
-  options.programs.direnv = {
-    enable = lib.mkEnableOption (lib.mdDoc ''
-      direnv integration. Takes care of both installation and
-      setting up the sourcing of the shell. Additionally enables nix-direnv
-      integration. Note that you need to logout and login for this change to apply.
-    '');
-
-    package = lib.mkPackageOptionMD pkgs "direnv" {};
-
-    direnvrcExtra = lib.mkOption {
-      type = lib.types.lines;
-      default = "";
-      example = ''
-        export FOO="foo"
-        echo "loaded direnv!"
-      '';
-      description = lib.mdDoc ''
-        Extra lines to append to the sourced direnvrc
-      '';
-    };
-
-    silent = lib.mkEnableOption (lib.mdDoc ''
-      the hiding of direnv logging
-    '');
-
-    persistDerivations =
-      (lib.mkEnableOption (lib.mdDoc ''
-        setting keep-derivations and keep-outputs to true
-        to prevent shells from getting garbage collected
-      ''))
-      // {
-        default = true;
-      };
-
-    loadInNixShell =
-      lib.mkEnableOption (lib.mdDoc ''
-        loading direnv only outside of `nix-shell` `nix shell` or `nix develop`
-      '')
-      // {
-        default = true;
-      };
-
-    nix-direnv = {
-      enable =
-        (lib.mkEnableOption (lib.mdDoc ''
-          a faster, persistent implementation of use_nix and use_flake, to replace the built-in one
-        ''))
-        // {
-          default = true;
-        };
-
-      package = lib.mkPackageOptionMD pkgs "nix-direnv" {};
-    };
-  };
-
-  config = lib.mkIf cfg.enable {
-    programs = {
-      zsh.interactiveShellInit = ''
-        if ${lib.boolToString cfg.loadInNixShell} || printenv PATH | grep -vqc '/nix/store'; then
-         eval "$(${lib.getExe cfg.package} hook zsh)"
-        fi
-      '';
-
-      #$NIX_GCROOT for "nix develop" https://github.com/NixOS/nix/blob/6db66ebfc55769edd0c6bc70fcbd76246d4d26e0/src/nix/develop.cc#L530
-      #$IN_NIX_SHELL for "nix-shell"
-      bash.interactiveShellInit = ''
-        if ${lib.boolToString cfg.loadInNixShell} || [ -z "$IN_NIX_SHELL$NIX_GCROOT$(printenv PATH | grep '/nix/store')" ] ; then
-         eval "$(${lib.getExe cfg.package} hook bash)"
-        fi
-      '';
-
-      fish.interactiveShellInit = ''
-        if ${lib.boolToString cfg.loadInNixShell};
-        or printenv PATH | grep -vqc '/nix/store';
-         ${lib.getExe cfg.package} hook fish | source
-        end
-      '';
-    };
-
-    nix.settings = lib.mkIf cfg.persistDerivations {
-      keep-outputs = true;
-      keep-derivations = true;
-    };
-
-    environment = {
-      systemPackages =
-        #direnv has a fish library which sources direnv for some reason
-        if cfg.loadInNixShell
-        then [cfg.package]
-        else [
-          (cfg.package.overrideAttrs (old: {
-            installPhase =
-              (old.installPhase or "")
-              + ''
-                rm -rf $out/share/fish
-              '';
-          }))
-        ];
-
-      variables = {
-        DIRENV_CONFIG = "/etc/direnv";
-        DIRENV_LOG_FORMAT = lib.mkIf cfg.silent "";
-      };
-
-      etc = {
-        "direnv/direnvrc".text = ''
-          ${lib.optionalString cfg.nix-direnv.enable ''
-            #Load nix-direnv
-            source ${cfg.nix-direnv.package}/share/nix-direnv/direnvrc
-          ''}
-
-           #Load direnvrcExtra
-           ${cfg.direnvrcExtra}
-
-           #Load user-configuration if present (~/.direnvrc or ~/.config/direnv/direnvrc)
-           direnv_config_dir_home="''${DIRENV_CONFIG_HOME:-''${XDG_CONFIG_HOME:-$HOME/.config}/direnv}"
-           if [[ -f $direnv_config_dir_home/direnvrc ]]; then
-             source "$direnv_config_dir_home/direnvrc" >&2
-           elif [[ -f $HOME/.direnvrc ]]; then
-             source "$HOME/.direnvrc" >&2
-           fi
-
-           unset direnv_config_dir_home
-        '';
-
-        "direnv/lib/zz-user.sh".text = ''
-          direnv_config_dir_home="''${DIRENV_CONFIG_HOME:-''${XDG_CONFIG_HOME:-$HOME/.config}/direnv}"
-
-          for lib in "$direnv_config_dir_home/lib/"*.sh; do
-            source "$lib"
-          done
-
-          unset direnv_config_dir_home
-        '';
-      };
-    };
-  };
-}
diff --git a/modules/misc.nix b/modules/misc.nix
index 4f3b525..20ff6c2 100644
--- a/modules/misc.nix
+++ b/modules/misc.nix
@@ -4,18 +4,13 @@ _: {
   pkgs,
   ...
 }: {
-  options = {
-    dummyvalue = lib.mkOption {
-      default = {};
-    };
-    nixpkgs.allowedUnfree = lib.mkOption {
-      type = lib.types.listOf lib.types.string;
-      default = [];
-    };
+  options.local.allowedUnfree = lib.mkOption {
+    type = lib.types.listOf lib.types.string;
+    default = [];
   };
 
   config = {
-    nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) config.nixpkgs.allowedUnfree;
+    nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) config.local.allowedUnfree;
 
     environment.defaultPackages = lib.mkForce (builtins.attrValues {
       inherit