diff --git a/conf/index.html b/conf/index.html
index ea254cc..3586665 100644
--- a/conf/index.html
+++ b/conf/index.html
@@ -1,11 +1,10 @@
 <!DOCTYPE html>
-<html>
+<html lang="en-US">
   <head>
     <title>Restarter</title>
     <script type="text/javascript">
-function restart(command) {
-  let query = new URLSearchParams({ "q" : command });
-console.log(query);
+function restart(service) {
+  let query = new URLSearchParams({ "s" : service });
   let xhttp = new XMLHttpRequest();
 
   xhttp.onreadystatechange = function() {
@@ -20,8 +19,7 @@ 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> -->
+    <button type=button onClick="restart(`minidlna`)">MiniDLNA</button>
     <div id="result">
     </div>
   </body>
diff --git a/conf/restarter.php b/conf/restarter.php
index 3282145..655eb39 100644
--- a/conf/restarter.php
+++ b/conf/restarter.php
@@ -1,23 +1,34 @@
 <?php
+  // define restartable services
+  $restartables = array("minidlna");
+
   // make sure script is called through a web server, not the command line
   if (PHP_SAPI === 'cli') {
-    echo "nope\n";
+    echo "This script needs to be run through a web server; aborting.";
     die(1);
   }
-  // retrieve query value for key "q"
-  $command = $_GET['q'];
-  echo "Command is <code>", $command, "</code><br>";//DEBUG
+  // retrieve query value for key "s" (as in service)
+  $service = $_GET['s'];
   // make sure command exists and is not empty
-  if ($command === "" || empty($command)) {
-    echo "empty query";
+  if ($service === "" || empty($service)) {
+    echo "No service to restart; aborting.";
     die(2);
   }
-  // execute shell command
+  // make sure service from query is available for restart
+  if ( ! in_array($service, $restartables) ) {
+      echo "Can't restart service ", $service, "; aborting";
+      die(3);
+  }
+  // put together command
+  $command = "/usr/bin/sudo /usr/bin/systemctl restart " . $service . ".service";
+  echo "Command is <code>", $command, "</code><br>";//DEBUG
+  // execute command
+  echo "Restarting service ", $service, " … ";
   exec($command, $output, $exitcode);
-  echo "Output is <pre>", join("<br>", $output), "</pre><br>";//DEBUG
+//  echo "Output is <pre>", join("<br>", $output), "</pre><br>";//DEBUG
   if ( $exitcode == "0" ) {
-    echo "Success";
+    echo "OK";
   } else {
-    echo "Command failed with exit code", $exitcode;
+    echo "failed with exit code ", $exitcode;
   }
 ?>
diff --git a/manifest.toml b/manifest.toml
index 710dd1a..e556eda 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -2,9 +2,9 @@ packaging_format = 2
 
 id = "restarter"
 name = "Restarter for yunohost"
-description.en = "A simple service restarter for Yunohost, supporting these apps: MiniDLNA"
+description.en = "A simple service restarter for Yunohost. Currently supporting these apps: MiniDLNA"
 
-version = "0.2~ynh1"
+version = "1.0~ynh2"
 
 maintainers = ["eclipse"]
 
@@ -43,6 +43,3 @@ ram.runtime = "1M"
 
     [resources.permissions]
     main.url = "/"
-
-#    [resources.apt]
-#    packages = "php8.2-fpm"
diff --git a/scripts/install b/scripts/install
index 1cd63c9..49f49ed 100644
--- a/scripts/install
+++ b/scripts/install
@@ -3,6 +3,13 @@
 source /usr/share/yunohost/helpers
 
 
+#TODO: define restartable services in one place and use those values to checking which restartable services are installed
+# then add corresponding lines dynamically to files:
+# - index.html: one button per service
+# - restarter.php: add services as array
+# - sudoer: add command for each service
+
+
 #=================================================
 # CHECK IF RESTARTABLE SERVICES EXIST
 #=================================================
@@ -46,7 +53,6 @@ phpversion="${php_executable:(-3)}"
 ynh_app_setting_set --app=$app --key="phpversion" --value="$phpversion"
 ynh_add_fpm_config --phpversion="$phpversion"
 
-
 ynh_script_progression --message="Adding nginx configuration …" --weight=1
 # get local subnet address ranges from routing table
 ranges=$(netstat -nr | grep -o "^\(192\.168\|172.\(1[6-9]\|2[0-9]\|3[01]\)\|10\.[0-9]\+\)\.[0-9]\+\.[0-9]\+")
