diff -r 83502d2099eb -r 0d86f3c0a07b www-thermferm/utilities.php
--- a/www-thermferm/utilities.php	Wed Jul 30 19:39:50 2014 +0200
+++ b/www-thermferm/utilities.php	Wed Jul 30 22:57:48 2014 +0200
@@ -94,3 +94,24 @@
     </script>';
 }
 
+
+/*
+ * Send command
+ */
+function send_cmd($cmd) {
+    $sock = open_socket();
+    if ($sock != false) {
+	/*
+	 * Send command and absorb the result.
+	 */
+	socket_write($sock, $cmd, 4096);
+	while (1) {
+	    $line = socket_read($sock, 4096);
+	    if ($line === '')
+		break;
+	}
+	socket_close($sock);
+    }
+}
+
+