diff --git a/flake.lock b/flake.lock
index b0fc4cb..ec53ba1 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1638665590,
-        "narHash": "sha256-nhtfL3z4TizWHemyZvgLvq11FhYX5Ya4ke+t6Np5PKQ=",
+        "lastModified": 1648475189,
+        "narHash": "sha256-gAGAS6IagwoUr1B0ohE3iR6sZ8hP4LSqzYLC8Mq3WGU=",
         "owner": "serokell",
         "repo": "deploy-rs",
-        "rev": "715e92a13018bc1745fb680b5860af0c5641026a",
+        "rev": "83e0c78291cd08cb827ba0d553ad9158ae5a95c3",
         "type": "github"
       },
       "original": {
@@ -23,11 +23,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1627913399,
-        "narHash": "sha256-hY8g6H2KFL8ownSiFeMOjwPC8P0ueXpCVEbxgda3pko=",
+        "lastModified": 1648199409,
+        "narHash": "sha256-JwPKdC2PoVBkG6E+eWw3j6BMR6sL3COpYWfif7RVb8Y=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "12c64ca55c1014cdc1b16ed5a804aa8576601ff2",
+        "rev": "64a525ee38886ab9028e6f61790de0832aa3ef03",
         "type": "github"
       },
       "original": {
@@ -180,11 +180,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1632086102,
-        "narHash": "sha256-wVTcf0UclFS+zHtfPToB13jIO7n0U9N50MuRbPjQViE=",
+        "lastModified": 1648219316,
+        "narHash": "sha256-Ctij+dOi0ZZIfX5eMhgwugfvB+WZSrvVNAyAuANOsnQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e0ce3c683ae677cf5aab597d645520cddd13392b",
+        "rev": "30d3d79b7d3607d56546dd2a6b49e156ba0ec634",
         "type": "github"
       },
       "original": {
@@ -196,16 +196,16 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1638918949,
-        "narHash": "sha256-HDAM4N7dBB0zVgoflnWyVDrGx4oiIUaEjI8YDwk0FFU=",
+        "lastModified": 1648632716,
+        "narHash": "sha256-kCmnDeiaMsdhfnNKjxdOzwRh2H6eQb8yWAL+nNabC/Y=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4d07862ea6ed637ee85f868d1bf8a833878bc05e",
+        "rev": "710fed5a2483f945b14f4a58af2cd3676b42d8c8",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable-small",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -285,11 +285,11 @@
         "nixpkgs": "nixpkgs_4"
       },
       "locked": {
-        "lastModified": 1638383949,
-        "narHash": "sha256-k7oMUrp1cMBj59uihyocJVqi4jbU16ycHQqGTJxH1b0=",
+        "lastModified": 1644387507,
+        "narHash": "sha256-PX1sWtet0N0s83SKdZVR0zFJ1CiN86Cw/IEeQe1s4MY=",
         "owner": "serokell",
         "repo": "serokell.nix",
-        "rev": "faebe5b14155d045ae5d3f76193c8e99e664af1b",
+        "rev": "e40718ac932e7c629c5f863ed27c72d516dc1356",
         "type": "github"
       },
       "original": {
@@ -300,11 +300,11 @@
     },
     "utils": {
       "locked": {
-        "lastModified": 1631561581,
-        "narHash": "sha256-3VQMV5zvxaVLvqqUrNz3iJelLw30mIVSfZmAaauM3dA=",
+        "lastModified": 1648297722,
+        "narHash": "sha256-W+qlPsiZd8F3XkzXOzAoR+mpFqzm3ekQkJNa+PIh1BQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "7e5bf3925f6fbdfaf50a2a7ca0be2879c4261d19",
+        "rev": "0f8662f1319ad6abf89b3380dd2722369fc51ade",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index f270ec4..839fd54 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,7 +7,7 @@
 
   inputs = {
     deploy-rs.url = "github:serokell/deploy-rs";
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable-small";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     serokell-nix.url = "github:serokell/serokell.nix";
     vault-secrets.url = "github:serokell/vault-secrets";
   };
diff --git a/hosts.nix b/hosts.nix
index a39debd..9e22346 100644
--- a/hosts.nix
+++ b/hosts.nix
@@ -97,6 +97,12 @@
     ip = "10.42.42.20";
     mac = "1A:88:A0:B0:65:B4";
   }
+  {
+    hostname = "zmeura";
+    ip = "10.42.42.24";
+    mac = "b8:27:eb:d5:e0:f5";
+    nix = false;
+  }
   {
     hostname = "nuc";
     ip = "10.42.42.42";
diff --git a/nixos/common/default.nix b/nixos/common/default.nix
index 6545b53..34a7d23 100644
--- a/nixos/common/default.nix
+++ b/nixos/common/default.nix
@@ -17,20 +17,22 @@
   # Nix Settings
   nix = {
     package = pkgs.nixUnstable;
-    autoOptimiseStore = true;
-    binaryCaches = [
-      "https://cachix.cachix.org"
-      "https://nix-community.cachix.org"
-      "https://nixpkgs-review-bot.cachix.org"
-    ];
-    binaryCachePublicKeys = [
-      "cachix.cachix.org-1:eWNHQldwUO7G2VkjpnjDbWwy4KQ/HNxht7H4SSoMckM="
-      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-      "nixpkgs-review-bot.cachix.org-1:eppgiDjPk7Hkzzz7XlUesk3rcEHqNDozGOrcLc8IqwE="
-    ];
-    trustedUsers = [ "root" "victor" ];
+    settings = {
+      auto-optimise-store = true;
+      trusted-users = [ "root" "victor" ];
+      substituters = [
+        "https://cachix.cachix.org"
+        "https://nix-community.cachix.org"
+        "https://nixpkgs-review-bot.cachix.org"
+      ];
+      trusted-public-keys = [
+        "cachix.cachix.org-1:eWNHQldwUO7G2VkjpnjDbWwy4KQ/HNxht7H4SSoMckM="
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+        "nixpkgs-review-bot.cachix.org-1:eppgiDjPk7Hkzzz7XlUesk3rcEHqNDozGOrcLc8IqwE="
+      ];
+    };
     extraOptions = ''
-      experimental-features = nix-command flakes ca-references
+      experimental-features = nix-command flakes
     '';
   };
 
diff --git a/nixos/hosts/nginx/configuration.nix b/nixos/hosts/nginx/configuration.nix
index 81f8937..78676bc 100644
--- a/nixos/hosts/nginx/configuration.nix
+++ b/nixos/hosts/nginx/configuration.nix
@@ -8,7 +8,7 @@ let
       proxyWebsockets = true;
     };
   };
-  k8s_proxy = proxy "http://10.42.42.10:8000/";
+  k8s_proxy = proxy "http://10.42.42.150:8000/";
 in {
   networking.hostName = "nginx";
 
@@ -42,7 +42,7 @@ in {
     virtualHosts."whoami.wooloofan.club" = k8s_proxy;
   };
 
-  security.acme.email = "victorheld12@gmail.com";
+  security.acme.defaults.email = "victorheld12@gmail.com";
   security.acme.acceptTerms = true;
   security.acme.preliminarySelfsigned = true;
 }
diff --git a/nixos/hosts/unifi/configuration.nix b/nixos/hosts/unifi/configuration.nix
index 22701eb..c2e6d5d 100644
--- a/nixos/hosts/unifi/configuration.nix
+++ b/nixos/hosts/unifi/configuration.nix
@@ -26,7 +26,7 @@
 
   services.unifi = {
     enable = true;
-    openPorts = true;
     unifiPackage = pkgs.unifi;
+    openFirewall = true;
   };
 }