fixes

app/Http/Livewire/Server/PrivateKey.php

@@ -5,12 +5,27 @@ namespace App\Http\Livewire\Server;
 use App\Models\Server;
 use Illuminate\Support\Facades\Storage;
 use Livewire\Component;
+use Masmerise\Toaster\Toaster;
 
 class PrivateKey extends Component
 {
     public Server $server;
     public $privateKeys;
     public $parameters;
+
+    public function checkConnection()
+    {
+        try {
+            $uptime = instant_remote_process(['uptime'], $this->server, false);
+            if ($uptime) {
+                Toaster::success('Server is reachable with this private key.');
+            } else {
+                Toaster::error('Server is NOT reachable with this private key.');
+            }
+        } catch (\Exception $e) {
+            return general_error_handler(err: $e, that: $this);
+        }
+    }
     public function setPrivateKey($private_key_id)
     {
         $this->server->update([
@@ -18,8 +33,9 @@ class PrivateKey extends Component
         ]);
 
         // Delete the old ssh mux file to force a new one to be created
-        Storage::disk('ssh-mux')->delete("{$this->server->first()->ip}_{$this->server->first()->port}_{$this->server->first()->user}");
+        Storage::disk('ssh-mux')->delete($this->server->muxFilename());
         $this->server->refresh();
+        $this->checkConnection();
     }
     public function mount()
     {