diff --git a/modules/pi_control/assets/console.js b/modules/pi_control/assets/console.js
index cc68cae..3230444 100644
--- a/modules/pi_control/assets/console.js
+++ b/modules/pi_control/assets/console.js
@@ -353,11 +353,34 @@
           }
           return;
         }
-        if (consoleNotice) {
-          consoleNotice.textContent = 'Bestehende Konsole kann nicht direkt gesteuert werden – Befehl wird in neuer Konsole ausgeführt.';
-          consoleNotice.style.display = 'block';
-        }
-        submitOpen();
+        const formData = new FormData(consoleForm);
+        if (presetSelect) formData.set('terminal_preset_id', '');
+        const url = new URL(window.location.href);
+        url.searchParams.set('send_active_json', '1');
+        fetch(url.toString(), { method: 'POST', body: formData, cache: 'no-store' })
+          .then((res) => res.json())
+          .then((data) => {
+            if (data.ok) {
+              if (consoleNotice) {
+                consoleNotice.textContent = data.notice || 'Befehl wurde in der bestehenden Konsole ausgeführt.';
+                consoleNotice.style.display = 'block';
+              }
+              if (consoleError) consoleError.style.display = 'none';
+              return;
+            }
+            if (consoleNotice) {
+              consoleNotice.textContent = data.error || 'Bestehende Konsole nicht verfügbar – Befehl wird in neuer Konsole ausgeführt.';
+              consoleNotice.style.display = 'block';
+            }
+            submitOpen();
+          })
+          .catch(() => {
+            if (consoleNotice) {
+              consoleNotice.textContent = 'Bestehende Konsole nicht verfügbar – Befehl wird in neuer Konsole ausgeführt.';
+              consoleNotice.style.display = 'block';
+            }
+            submitOpen();
+          });
       });
     }
   }
diff --git a/modules/pi_control/pages/console.php b/modules/pi_control/pages/console.php
index ac04cb2..9225f9a 100644
--- a/modules/pi_control/pages/console.php
+++ b/modules/pi_control/pages/console.php
@@ -295,6 +295,59 @@ if (isset($_GET['run_command_json'])) {
     exit;
 }
 
+if (isset($_GET['send_active_json'])) {
+    $hostId = (int)($_POST['terminal_host_id'] ?? 0);
+    $commandId = (int)($_POST['terminal_preset_id'] ?? 0);
+    $rawCommand = trim((string)($_POST['terminal_command_text'] ?? ''));
+    $error = null;
+    $notice = null;
+
+    if ($hostId <= 0) {
+        $error = 'Bitte einen Host wählen.';
+    } elseif ($commandId <= 0 && $rawCommand === '') {
+        $error = 'Bitte einen Befehl wählen oder einen Befehl eingeben.';
+    } else {
+        $selectedCommand = '';
+        if ($commandId > 0) {
+            foreach ($commands as $c) {
+                if ((int)$c['id'] === $commandId) {
+                    if (!auth_is_admin() && !empty($c['admin_only'])) {
+                        $error = 'Dieser Befehl ist nur für Admins.';
+                    } else {
+                        $selectedCommand = (string)$c['command'];
+                    }
+                    break;
+                }
+            }
+        }
+        if (!$error) {
+            $commandText = $selectedCommand !== '' ? $selectedCommand : $rawCommand;
+            $stmt = $pdo->prepare('SELECT * FROM ' . $table('hosts') . ' WHERE id = :id LIMIT 1');
+            $stmt->execute(['id' => $hostId]);
+            $host = $stmt->fetch(PDO::FETCH_ASSOC);
+            if (!$host) {
+                $error = 'Host nicht gefunden.';
+            } else {
+                $strictHostKey = getenv('PI_CONTROL_STRICT_HOSTKEY') === '1';
+                [$ok, $sendError] = sendToActiveConsole($host, $commandText, $strictHostKey);
+                if ($ok) {
+                    $notice = 'Befehl wurde in der bestehenden Konsole ausgeführt.';
+                } else {
+                    $error = $sendError ?: 'Bestehende Konsole nicht verfügbar.';
+                }
+            }
+        }
+    }
+
+    header('Content-Type: application/json; charset=utf-8');
+    echo json_encode([
+        'ok' => $error === null,
+        'error' => $error,
+        'notice' => $notice,
+    ]);
+    exit;
+}
+
 // Form submits are handled via AJAX to avoid reloads.
 
 $runs = $pdo->query(
@@ -303,6 +356,66 @@ $runs = $pdo->query(
      LEFT JOIN ' . $table('hosts') . ' h ON h.id = r.host_id
      ORDER BY r.id DESC LIMIT 20'
 )->fetchAll(PDO::FETCH_ASSOC);
+
+function sendToActiveConsole(array $host, string $command, bool $strictHostKey): array
+{
+    $hostAddr = (string)($host['host'] ?? '');
+    $user = (string)($host['username'] ?? '');
+    $port = (int)($host['port'] ?? 22);
+    $authType = (string)($host['auth_type'] ?? 'key');
+    $keyPath = (string)($host['key_path'] ?? '');
+    $password = (string)($host['password'] ?? '');
+
+    if ($hostAddr === '' || $user === '') {
+        return [false, 'Hostdaten unvollständig.'];
+    }
+
+    $opts = $strictHostKey
+        ? '-o StrictHostKeyChecking=accept-new -o UserKnownHostsFile=/root/.ssh/known_hosts'
+        : '-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null';
+
+    $target = escapeshellarg($user . '@' . $hostAddr);
+    $cmdB64 = base64_encode($command);
+    $remote = 'CMD_B64="$0"; CMD="$(printf "%s" "$CMD_B64" | base64 -d)"; ' .
+        'command -v tmux >/dev/null 2>&1 || exit 2; ' .
+        'tmux has-session -t nexus 2>/dev/null || exit 3; ' .
+        'tmux send-keys -t nexus "$CMD" C-m';
+
+    $cmd = 'ssh ' . $opts . ' -p ' . (int)$port . ' ';
+    if ($authType === 'key' && $keyPath !== '') {
+        $cmd .= '-i ' . escapeshellarg($keyPath) . ' ';
+    }
+    $cmd .= $target . ' -- /bin/bash -lc ' . escapeshellarg($remote) . ' ' . escapeshellarg($cmdB64);
+    if ($authType === 'pass' && $password !== '') {
+        $cmd = 'sshpass -p ' . escapeshellarg($password) . ' ' . $cmd;
+    }
+
+    $descriptors = [
+        1 => ['pipe', 'w'],
+        2 => ['pipe', 'w'],
+    ];
+    $process = proc_open($cmd, $descriptors, $pipes);
+    if (!is_resource($process)) {
+        return [false, 'proc_open failed'];
+    }
+    $out = stream_get_contents($pipes[1]);
+    $err = stream_get_contents($pipes[2]);
+    $status = proc_get_status($process);
+    $exitCode = (int)($status['exitcode'] ?? 1);
+    proc_close($process);
+
+    if ($exitCode === 0) {
+        return [true, null];
+    }
+    if ($exitCode === 2) {
+        return [false, 'tmux ist auf dem Host nicht installiert.'];
+    }
+    if ($exitCode === 3) {
+        return [false, 'Keine aktive Konsole gefunden.'];
+    }
+    $msg = trim($err !== '' ? $err : $out);
+    return [false, $msg !== '' ? $msg : 'Befehl konnte nicht gesendet werden.'];
+}
 ?>
 <div class="card">
   <div class="pill">Pi Control</div>