diff --git a/hive.nix b/hive.nix
index 8628512..c7d2e03 100644
--- a/hive.nix
+++ b/hive.nix
@@ -143,6 +143,16 @@ in
       ];
     };
 
+  kat-son =
+    { name, nodes, ... }:
+    {
+      deployment.targetHost = "son.kat";
+      imports = [
+        ./machines/kat-son
+        (users.root { ssh = true; })
+      ];
+    };
+
   kat-iso =
     {
       name,
diff --git a/machines/kat-r86s/configuration.nix b/machines/kat-r86s/configuration.nix
index 4fca8af..c48d553 100644
--- a/machines/kat-r86s/configuration.nix
+++ b/machines/kat-r86s/configuration.nix
@@ -130,6 +130,10 @@
           vm = "192.168.122.4";
           sshport = null;
         };
+        "son.katvayor.net" = {
+          vm = "192.168.122.5";
+          sshport = null;
+        };
       };
     in
     {
diff --git a/machines/kat-son/default.nix b/machines/kat-son/default.nix
new file mode 100644
index 0000000..31ab59b
--- /dev/null
+++ b/machines/kat-son/default.nix
@@ -0,0 +1,97 @@
+# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
+
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./disks.nix
+  ];
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.supportedFilesystems = [ "bcachefs" ];
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  time.timeZone = "Europe/Paris";
+
+  networking = {
+    interfaces."enp1s0" = {
+      useDHCP = false;
+      ipv4.addresses = [
+        {
+          address = "192.168.122.5";
+          prefixLength = 24;
+        }
+      ];
+      ipv6.addresses = [
+        {
+          address = "fe80::5";
+          prefixLength = 64;
+        }
+      ];
+    };
+    defaultGateway = "192.168.122.1";
+    defaultGateway6 = {
+      address = "fe80::1";
+      interface = "enp1s0";
+    };
+    nameservers = [
+      "192.168.122.1"
+      "fe80::1%enp1s0"
+    ];
+  };
+
+  i18n.defaultLocale = "en_US.UTF-8";
+  console = {
+    font = "Lat2-Terminus16";
+    keyMap = "fr";
+  };
+
+  services.dbus.packages = with pkgs; [ dconf ];
+
+  nixpkgs.config.allowUnfree = true;
+
+  programs.zsh.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    wget
+    nix-search-cli
+    git
+    btop
+    ranger
+    screen
+  ];
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+
+  services.openssh.enable = true;
+
+  networking.firewall.enable = false;
+
+  security.acme = {
+    acceptTerms = true;
+    defaults.email = "root@katvayor.net";
+  };
+  services.nginx = {
+    enable = true;
+    virtualHosts = {
+      "son.katvayor.net" = {
+        enableACME = true;
+        addSSL = true;
+      };
+    };
+  };
+
+  system.stateVersion = "23.11"; # Did you read the comment?
+}
diff --git a/machines/kat-son/disks.nix b/machines/kat-son/disks.nix
new file mode 100644
index 0000000..ed9ef70
--- /dev/null
+++ b/machines/kat-son/disks.nix
@@ -0,0 +1,32 @@
+{
+  disko.devices = {
+    disk = {
+      vda = {
+        device = "/dev/vda";
+        type = "disk";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              type = "EF00";
+              size = "100M";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "bcachefs";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}
diff --git a/machines/kat-son/hardware-configuration.nix b/machines/kat-son/hardware-configuration.nix
new file mode 100644
index 0000000..e8da702
--- /dev/null
+++ b/machines/kat-son/hardware-configuration.nix
@@ -0,0 +1,25 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
+
+  boot.initrd.availableKernelModules = [
+    "ahci"
+    "xhci_pci"
+    "virtio_pci"
+    "sr_mod"
+    "virtio_blk"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  networking.useDHCP = lib.mkDefault true;
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}
diff --git a/machines/kat-watcher/default.nix b/machines/kat-watcher/default.nix
index 51b25c7..ec8b553 100644
--- a/machines/kat-watcher/default.nix
+++ b/machines/kat-watcher/default.nix
@@ -66,6 +66,7 @@
         "traque.katvayor.net" = 22001;
         "betamail.katvayor.net" = 22002;
         "test.traque.katvayor.net" = null;
+        "son.katvayor.net" = null;
       };
     in
     {
diff --git a/modules/ssh.nix b/modules/ssh.nix
index b9db095..c2155cb 100644
--- a/modules/ssh.nix
+++ b/modules/ssh.nix
@@ -37,6 +37,11 @@
         hostname = "fe80::4%%virbr0";
         proxyJump = "r86s.kat";
       };
+      "son.kat" = {
+        user = "root";
+        hostname = "fe80::5%%virbr0";
+        proxyJump = "r86s.kat";
+      };
 
       "sas.ens" = {
         user = "lbailly";