diff --git a/nixos/systems/blowhole/default.nix b/nixos/systems/blowhole/default.nix
index 023930d..f636a79 100644
--- a/nixos/systems/blowhole/default.nix
+++ b/nixos/systems/blowhole/default.nix
@@ -44,6 +44,7 @@ in
             ./watchdog.nix
             ./nixpkgs.nix
             ./users.nix
+            ./sol.nix
             ../../common/remote_access.nix
             inputs.serokell-nix.nixosModules.acme-sh
             config'.flake.nixosModules.hashicorp
diff --git a/nixos/systems/blowhole/sol.nix b/nixos/systems/blowhole/sol.nix
new file mode 100644
index 0000000..f350e47
--- /dev/null
+++ b/nixos/systems/blowhole/sol.nix
@@ -0,0 +1,13 @@
+{ ... }:
+{
+  boot.kernelParams = [
+    "console=ttyS1,115200"
+    "console=tty1"
+  ];
+
+  boot.loader.grub.extraConfig = ''
+    serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1
+    terminal_input console serial
+    terminal_output console serial
+  '';
+}