diff --git a/flake.nix b/flake.nix
index bea3ecc..1c24d9b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -41,12 +41,7 @@
       };
 
       nixosConfigurations = {
-        logos = mkSystem [ ./hosts/logos ./hardware/alrest ({...}: {
-          within.services.printerfacts = {
-            enable = true;
-            domain = "logos.shark-harmonic.ts.net";
-          };
-        }) ];
+        logos = mkSystem [ ./hosts/logos ./hardware/alrest ];
 
         # vms
         ## logos
diff --git a/hardware/alrest/default.nix b/hardware/alrest/default.nix
index 683cb93..b9dc84e 100644
--- a/hardware/alrest/default.nix
+++ b/hardware/alrest/default.nix
@@ -1,7 +1,7 @@
 { config, pkgs, ... }:
 
 {
-  imports = [ ./hardware-configuration.nix ./zfs.nix ];
+  imports = [ ./hardware-configuration.nix ./zfs.nix ./zrepl.nix ];
 
   within.users.enableSystem = true;
 
diff --git a/hardware/alrest/zrepl.nix b/hardware/alrest/zrepl.nix
new file mode 100644
index 0000000..d722f1b
--- /dev/null
+++ b/hardware/alrest/zrepl.nix
@@ -0,0 +1,51 @@
+{ config, pkgs, lib, ... }:
+
+{
+  services.zrepl = {
+    enable = true;
+    settings = {
+      global = {
+        logging = [{
+          type = "syslog";
+          level = "info";
+          format = "human";
+        }];
+      };
+
+      jobs = [{
+        name = "backups";
+        type = "push";
+        connect = {
+          type = "tcp";
+          address = "100.68.185.47:29491";
+        };
+        filesystems = { "rpool/safe<" = true; };
+        send = {
+          #encrypted = true;
+          compressed = true;
+          raw = true;
+        };
+        snapshotting = {
+          type = "periodic";
+          prefix = "zrepl_";
+          interval = "60m";
+        };
+        pruning = {
+          keep_sender = [
+            { type = "not_replicated"; }
+            {
+              type = "last_n";
+              count = 10;
+            }
+          ];
+          keep_receiver = [{
+            type = "grid";
+            regex = "^zrepl_";
+            grid =
+              lib.concatStringsSep " | " [ "1x1h(keep=all)" "24x1h" "30x1d" ];
+          }];
+        };
+      }];
+    };
+  };
+}
diff --git a/hosts/kos-mos/configuration.nix b/hosts/kos-mos/configuration.nix
new file mode 100644
index 0000000..e59ba3a
--- /dev/null
+++ b/hosts/kos-mos/configuration.nix
@@ -0,0 +1,41 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [ ./maisem.nix ];
+
+  services.corerad = {
+    enable = true;
+    settings = {
+      interfaces = [
+        {
+          name = "virbr0";
+          advertise = false;
+          prefix = [{ prefix = "fd69:420:e621:278a::/64"; }];
+        }
+        {
+          name = "enp2s0";
+          advertise = true;
+          prefix = [{ prefix = "fd69:420:e621::/64"; }];
+        }
+      ];
+      debug = {
+        address = "[::]:38177";
+        prometheus = true;
+      };
+    };
+  };
+
+  users.motd = builtins.readFile ./motd;
+  environment.systemPackages = with pkgs; [ nodejs-14_x ];
+  services.tailscale.port = 15428;
+
+  # networking.interfaces."virbr0".ipv6.addresses = [{
+  #   address = "fda2:d982:1da2:278a::";
+  #   prefixLength = 64;
+  # }];
+
+  networking.interfaces."enp2s0".ipv6.addresses = [{
+    address = "fd69:420:e621::fe34:97ff:fe0d:1ecd";
+    prefixLength = 64;
+  }];
+}
diff --git a/hosts/kos-mos/maisem.nix b/hosts/kos-mos/maisem.nix
new file mode 100644
index 0000000..e5b04cd
--- /dev/null
+++ b/hosts/kos-mos/maisem.nix
@@ -0,0 +1,11 @@
+{ config, pkgs, ... }:
+
+{
+  users.users.maisem = {
+    isNormalUser = true;
+    shell = pkgs.zsh;
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMm8WG2pzRbeTdNguEF9zmaj7bASf4YwXccAs5bVW14I"
+    ];
+  };
+}
diff --git a/hosts/kos-mos/motd b/hosts/kos-mos/motd
new file mode 100644
index 0000000..9e6754e
--- /dev/null
+++ b/hosts/kos-mos/motd
@@ -0,0 +1,9 @@
+█      █
+██    ██
+███  ███
+████████
+ ██████
+  ████
+   ██
+KOS-MOS: Kosmos Obey Strategical Multiple Operation Systems
+All systems operational