diff --git a/hosts/base/default.nix b/hosts/base/default.nix
index ab0d96f..1a3a5a4 100644
--- a/hosts/base/default.nix
+++ b/hosts/base/default.nix
@@ -138,6 +138,8 @@
     firewall.checkReversePath = "loose";
   };
 
+  nix.nixPath = [ "nixpkgs=${inputs.nixpkgs}" ];
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave
diff --git a/hosts/lenar/default.nix b/hosts/lenar/default.nix
index 9518f40..cc417a9 100644
--- a/hosts/lenar/default.nix
+++ b/hosts/lenar/default.nix
@@ -46,6 +46,7 @@
     };
     docker = {
       enable = true;
+      changeDefaultNetwork = true;
     };
     de.gnome = {
       enable = true;
diff --git a/nixosModules/dev/docker.nix b/nixosModules/dev/docker.nix
index 10522c1..a896881 100644
--- a/nixosModules/dev/docker.nix
+++ b/nixosModules/dev/docker.nix
@@ -21,11 +21,25 @@ in
       example = false;
       description = "Whether to add the user to the Docker group.";
     };
+    changeDefaultNetwork = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether to change docker daemon to use different networks.";
+    };
   };
 
   config = lib.mkIf cfg.enable {
     virtualisation.docker = {
       enable = true;
+      daemon.config = lib.mkIf cfg.changeDefaultNetwork {
+        default-address-pools = [
+          {
+            base = "10.250.0.0/16";
+            size = 24;
+          }
+        ];
+      };
     };
     users.users.krop = lib.mkIf cfg.addUserToGroup {
       extraGroups = [ "docker" ];
diff --git a/users/krop/default.nix b/users/krop/default.nix
index df8742d..3698549 100644
--- a/users/krop/default.nix
+++ b/users/krop/default.nix
@@ -100,6 +100,7 @@
       "org/gnome/desktop/interface" = {
         color-scheme = "prefer-dark";
         show-battery-percentage = true;
+        gtk-enable-primary-paste = false;
       };
       "org/gnome/mutter" = {
         dynamic-workspaces = true;
@@ -169,6 +170,10 @@
     style.name = "adwaita-dark";
   };
 
+  programs.fzf = {
+    enable = true;
+  };
+
   programs.go = {
     enable = true;
     goPath = "Repositories/go";