ssh: Fix issues with trying different keys

hosts/nishimiya.nix

@@ -36,6 +36,8 @@
     extraModulePackages = [ ];
     # NOTE: See https://github.com/NixOS/nixos-hardware/blob/master/lenovo/thinkpad/e495/default.nix#L12
     kernelParams = [ "acpi_backlight=native" ];
+
+    binfmt.emulatedSystems = ["aarch64-linux"];
   };
  
   ptw = {
@@ -135,6 +137,7 @@
   environment.systemPackages = with pkgs; [
     ansible
     gnumake
+    wireguard-tools
 
       (pkgs.callPackage ./wrapper.nix {
         inherit (pkgs) retroarch;

modules/users/alexander.nix

@@ -23,23 +23,15 @@
 
       programs.ssh = {
         enable = true;
+        extraConfig = ''
+        IdentitiesOnly      yes
+        '';
+        includes = [
+          "config.d/*"
+        ];
         matchBlocks = let
           sshPort = 1847;
         in {
-          ayame = {
-            port = sshPort;
-            hostname = "78.46.184.48";
-            user = "alexander";
-            identityFile = "~/.ssh/polynom.me_ayame";
-            identitiesOnly = true;
-          };
-          taihou = {
-            port = sshPort;
-            hostname = "162.55.43.248";
-            user = "alexander";
-            identityFile = "~/.ssh/polynom.me_ayame";
-            identitiesOnly = true;
-          };
           "git.polynom.me" = {
             port = 2222;
             user = "gitea";