merge: host config cleanup

hosts/live-iso/configuration.nix

@@ -1,14 +1,5 @@
-{ pkgs, lib, inputs, ... }:
-let
-  keys = import ../../users/matej/keys.nix;
-in
+{ pkgs, lib, ... }:
 {
-  imports = [
-    inputs.self.nixosModules.openssh
-  ];
-
-  openssh.enable = true;
-
   image.modules.iso-installer = {
     isoImage.squashfsCompression = "zstd -Xcompression-level 6";
   };
@@ -19,6 +10,17 @@ in
   };
   boot.loader.grub.device = lib.mkDefault "/dev/sda";
 
+  services.openssh = {
+    enable = true;
+    ports = [ 22 ];
+    settings = {
+      PasswordAuthentication = false;
+      AllowUsers = null;
+      PermitRootLogin = "no";
+      StreamLocalBindUnlink = "yes";
+    };
+  };
+
   networking.firewall.allowedTCPPorts = [ 22 ];
 
   users = {
@@ -36,9 +38,14 @@ in
         "wheel"
         "users"
       ];
-      openssh.authorizedKeys.keys = keys.sshAuthorizedKeys;
+      openssh.authorizedKeys.keys = [
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICQGLdINKzs+sEy62Pefng0bcedgU396+OryFgeH99/c janezicmatej"
+      ];
     };
   };
 
+  # boot.extraModulePackages = [ pkgs.linuxPackages.r8125 ];
+  # boot.blacklistedKernelModules = [ "r8169" ];
+
   system.stateVersion = "25.05";
 }