diff --git a/conf/restarter b/conf/restarter
new file mode 100644
index 0000000..f38fc86
--- /dev/null
+++ b/conf/restarter
@@ -0,0 +1,2 @@
+# sudoers entry for package restarter
+www-data unterdemradar=NOPASSWD: /usr/bin/systemctl restart minidlna.service
diff --git a/src/index.html b/src/index.html
index 5cd5636..c05925f 100644
--- a/src/index.html
+++ b/src/index.html
@@ -20,8 +20,8 @@ console.log(query);
     </script>
   </head>
   <body>
+<!--    <button type=button onClick="restart('sudo systemctl restart minidlna.service')">MiniDLNA</button> -->
     <button type=button onClick="restart('ls -al')">MiniDLNA</button>
-<!-- PHP built-in web server: php -S [IP]:[port] -t [path]</pre></p> -->
     <div id="result">
     </div>
   </body>
diff --git a/src/restarter.php b/src/restarter.php
index 3fafaa2..3282145 100644
--- a/src/restarter.php
+++ b/src/restarter.php
@@ -14,6 +14,10 @@
   }
   // execute shell command
   exec($command, $output, $exitcode);
-  echo "Output is <pre>", join("<br>", $output), "</pre><br>";
-  echo "Exit code is ", $exitcode;
+  echo "Output is <pre>", join("<br>", $output), "</pre><br>";//DEBUG
+  if ( $exitcode == "0" ) {
+    echo "Success";
+  } else {
+    echo "Command failed with exit code", $exitcode;
+  }
 ?>
