diff --git a/composer.json b/composer.json
index 048baa6..c03a29f 100644
--- a/composer.json
+++ b/composer.json
@@ -10,10 +10,9 @@
     "symfony/yaml": "*",
     "vlucas/phpdotenv": "^2.3",
     "jeremykendall/slim-auth": "dev-slim-3.x",
-    "phpmailer/phpmailer": "^5.2",
-    "illuminate/pagination": "^5.5",
     "par0noid/ts3admin": "^1.0",
-    "planetteamspeak/ts3-php-framework": "^1.1"
+    "planetteamspeak/ts3-php-framework": "^1.1",
+    "nesbot/carbon": "^1.25"
   },
   "config": {
     "bin-dir": "bin/"
diff --git a/config/env.example b/config/env.example
index bb2863a..64b8b56 100644
--- a/config/env.example
+++ b/config/env.example
@@ -15,5 +15,5 @@ teamspeak_default_query_port=10011
 teamspeak_default_user="serveradmin"
 
 # log
-log_name="app" # values: all strings
+log_name="ts3web" # values: all strings
 log_level="INFO" # values: DEBUG, INFO, NOTICE, WARNING, ERROR, CRITICAL, ALERT, EMERGENCY
\ No newline at end of file
diff --git a/public/index.php b/public/index.php
index ae306c4..f792629 100644
--- a/public/index.php
+++ b/public/index.php
@@ -52,16 +52,22 @@ $container['translator'] = function () use ($translator) {
 
 // date
 Carbon::setLocale(getenv('site_language'));
+Carbon::setToStringFormat(getenv('site_date_format'));
 
 // logger
-$container['logger'] = function () {
+try {
     $logger = BootstrapHelper::bootLogger();
-    return $logger;
-};
+
+    $container['logger'] = function () use ($logger) {
+        return $logger;
+    };
+} catch (Exception $e) {
+    die('Error bootstrapping logger: ' . $e->getMessage());
+}
 
 // teamspeak
-$container['ts'] = function () {
-    return new TSInstance();
+$container['ts'] = function () use ($logger) {
+    return new TSInstance($logger);
 };
 
 // auth
@@ -125,9 +131,6 @@ $container['view'] = function ($container) use ($app) {
     $view->addExtension(new \Symfony\Bridge\Twig\Extension\TranslationExtension($container['translator']));
     $view->getEnvironment()->getExtension('Twig_Extension_Core')->setDateFormat(getenv('site_date_format'));
 
-    // date
-    Carbon::setToStringFormat(getenv('site_date_format'));
-
     // env
     $view->getEnvironment()->addFunction(new Twig_SimpleFunction('getenv', function($value) {
         $res = getenv($value);
diff --git a/src/Control/Actions/BanDeleteAction.php b/src/Control/Actions/BanDeleteAction.php
index 63c3c46..e89aae8 100644
--- a/src/Control/Actions/BanDeleteAction.php
+++ b/src/Control/Actions/BanDeleteAction.php
@@ -12,10 +12,8 @@ final class BanDeleteAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $banDeleteResult = $this->ts->getInstance()->banDelete($banId);
-        $this->ts->checkCommandResult($banDeleteResult);
 
         $this->flash->addMessage('success', $this->translator->trans('done'));
 
diff --git a/src/Control/Actions/BansAction.php b/src/Control/Actions/BansAction.php
index bc2d56c..d0911a3 100644
--- a/src/Control/Actions/BansAction.php
+++ b/src/Control/Actions/BansAction.php
@@ -12,10 +12,8 @@ final class BansAction extends AbstractAction
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
 
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $banListResult = $this->ts->getInstance()->banList();
-        $this->ts->checkCommandResult($banListResult);
 
         // render GET
         $this->view->render($response, 'bans.twig', [
diff --git a/src/Control/Actions/ChannelDeleteAction.php b/src/Control/Actions/ChannelDeleteAction.php
index d4a1291..ae4b9c1 100644
--- a/src/Control/Actions/ChannelDeleteAction.php
+++ b/src/Control/Actions/ChannelDeleteAction.php
@@ -12,10 +12,8 @@ final class ChannelDeleteAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $channelDeleteResult = $this->ts->getInstance()->channelDelete($cid);
-        $this->ts->checkCommandResult($channelDeleteResult);
 
         $this->flash->addMessage('success', $this->translator->trans('done'));
 
diff --git a/src/Control/Actions/ChannelGroupDeleteAction.php b/src/Control/Actions/ChannelGroupDeleteAction.php
index 9073308..b5d1c45 100644
--- a/src/Control/Actions/ChannelGroupDeleteAction.php
+++ b/src/Control/Actions/ChannelGroupDeleteAction.php
@@ -12,10 +12,8 @@ final class ChannelGroupDeleteAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $groupDeleteResult = $this->ts->getInstance()->channelGroupDelete($cgid);
-        $this->ts->checkCommandResult($groupDeleteResult);
 
         $this->flash->addMessage('success', $this->translator->trans('done'));
 
diff --git a/src/Control/Actions/ChannelGroupInfoAction.php b/src/Control/Actions/ChannelGroupInfoAction.php
index 81485dc..a62b7f5 100644
--- a/src/Control/Actions/ChannelGroupInfoAction.php
+++ b/src/Control/Actions/ChannelGroupInfoAction.php
@@ -12,13 +12,10 @@ final class ChannelGroupInfoAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $clientsResult = $this->ts->getInstance()->channelGroupClientList(null, null, $cgid);
-        $this->ts->checkCommandResult($clientsResult);
 
         $permissionsResult = $this->ts->getInstance()->channelGroupPermList($cgid, true);
-        $this->ts->checkCommandResult($permissionsResult);
 
         // render GET
         $this->view->render($response, 'channelgroup_info.twig', [
diff --git a/src/Control/Actions/ChannelInfoAction.php b/src/Control/Actions/ChannelInfoAction.php
index d48e1f2..95ce667 100644
--- a/src/Control/Actions/ChannelInfoAction.php
+++ b/src/Control/Actions/ChannelInfoAction.php
@@ -12,13 +12,10 @@ final class ChannelInfoAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $channelResult = $this->ts->getInstance()->channelInfo($cid);
-        $this->ts->checkCommandResult($channelResult);
 
         $clientsResult = $this->ts->getInstance()->channelClientList($cid);
-        $this->ts->checkCommandResult($selectResult);
 
         $files = [];
         $files['data'] = $this->getAllFilesIn($sid, $cid, '/');
@@ -38,10 +35,8 @@ final class ChannelInfoAction extends AbstractAction
     {
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $fileResult = $this->ts->getInstance()->ftGetFileList($cid, '', $path);
-        $this->ts->checkCommandResult($fileResult);
 
         $foundFiles = $fileResult['data'];
 
diff --git a/src/Control/Actions/ChannelSendAction.php b/src/Control/Actions/ChannelSendAction.php
index 99eafbc..721b20b 100644
--- a/src/Control/Actions/ChannelSendAction.php
+++ b/src/Control/Actions/ChannelSendAction.php
@@ -13,10 +13,8 @@ final class ChannelSendAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $dataResult = $this->ts->getInstance()->sendMessage(2, $cid, $body['message']);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('done'));
         return $response->withRedirect('/channels/' . $sid . '/' . $cid);
diff --git a/src/Control/Actions/ChannelsAction.php b/src/Control/Actions/ChannelsAction.php
index 1aa52b7..a766e33 100644
--- a/src/Control/Actions/ChannelsAction.php
+++ b/src/Control/Actions/ChannelsAction.php
@@ -11,10 +11,8 @@ final class ChannelsAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $dataResult = $this->ts->getInstance()->channelList();
-        $this->ts->checkCommandResult($dataResult);
 
         // render GET
         $this->view->render($response, 'channels.twig', [
diff --git a/src/Control/Actions/ClientBanAction.php b/src/Control/Actions/ClientBanAction.php
index 9645b4c..d0d0e5b 100644
--- a/src/Control/Actions/ClientBanAction.php
+++ b/src/Control/Actions/ClientBanAction.php
@@ -14,17 +14,14 @@ final class ClientBanAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $getResult = $this->ts->getInstance()->clientGetNameFromDbid($cldbid);
-        $this->ts->checkCommandResult($getResult);
 
         $dataResult = $this->ts->getInstance()->banAddByUid(
             $this->ts->getInstance()->getElement('data', $getResult)['cluid'],
             (!empty($body['time']) ? $body['time'] : 0),
             $body['reason']
         );
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('client_info.banned.success', ['%cldbid%' => $cldbid]));
         return $response->withRedirect('/clients/' . $sid . '/' . $cldbid);
diff --git a/src/Control/Actions/ClientDeleteAction.php b/src/Control/Actions/ClientDeleteAction.php
index 37e10f9..bad3e59 100644
--- a/src/Control/Actions/ClientDeleteAction.php
+++ b/src/Control/Actions/ClientDeleteAction.php
@@ -12,10 +12,8 @@ final class ClientDeleteAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $clientDeleteResult = $this->ts->getInstance()->clientDbDelete($cldbid);
-        $this->ts->checkCommandResult($clientDeleteResult);
 
         $this->flash->addMessage('success', $this->translator->trans('done'));
 
diff --git a/src/Control/Actions/ClientInfoAction.php b/src/Control/Actions/ClientInfoAction.php
index e4ee390..f6a8cf2 100644
--- a/src/Control/Actions/ClientInfoAction.php
+++ b/src/Control/Actions/ClientInfoAction.php
@@ -12,19 +12,14 @@ final class ClientInfoAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $detailsResult = $this->ts->getInstance()->clientDbInfo($cldbid);
-        $this->ts->checkCommandResult($detailsResult);
 
         $serverGroupsResult = $this->ts->getInstance()->serverGroupsByClientID($cldbid);
-        $this->ts->checkCommandResult($serverGroupsResult);
 
         $channelGroupsResult = $this->ts->getInstance()->channelGroupClientList(null, $cldbid, null);
-        $this->ts->checkCommandResult($channelGroupsResult);
 
         $permissionsResult = $this->ts->getInstance()->clientPermList($cldbid, true);
-        $this->ts->checkCommandResult($permissionsResult);
 
         // render GET
         $this->view->render($response, 'client_info.twig', [
diff --git a/src/Control/Actions/ClientSendAction.php b/src/Control/Actions/ClientSendAction.php
index a59f05d..3ad6a74 100644
--- a/src/Control/Actions/ClientSendAction.php
+++ b/src/Control/Actions/ClientSendAction.php
@@ -14,17 +14,14 @@ final class ClientSendAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $getResult = $this->ts->getInstance()->clientGetNameFromDbid($cldbid);
-        $this->ts->checkCommandResult($getResult);
 
         $dataResult = $this->ts->getInstance()->messageAdd(
             $this->ts->getInstance()->getElement('data', $getResult)['cluid'],
             $body['subject'],
             $body['message']
         );
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('client_info.sent.success', ['%cldbid%' => $cldbid]));
         return $response->withRedirect('/clients/' . $sid . '/' . $cldbid);
diff --git a/src/Control/Actions/ClientsAction.php b/src/Control/Actions/ClientsAction.php
index c932f5f..66796e8 100644
--- a/src/Control/Actions/ClientsAction.php
+++ b/src/Control/Actions/ClientsAction.php
@@ -11,10 +11,8 @@ final class ClientsAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $dataResult = $this->ts->getInstance()->clientDbList();
-        $this->ts->checkCommandResult($dataResult);
 
         // render GET
         $this->view->render($response, 'clients.twig', [
diff --git a/src/Control/Actions/ComplainDeleteAction.php b/src/Control/Actions/ComplainDeleteAction.php
index 6f653b1..d31c05e 100644
--- a/src/Control/Actions/ComplainDeleteAction.php
+++ b/src/Control/Actions/ComplainDeleteAction.php
@@ -12,13 +12,11 @@ final class ComplainDeleteAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         // search fcldbid
         $fcldbid = null;
 
         $searchResult = $this->ts->getInstance()->complainList();
-        $this->ts->checkCommandResult($searchResult);
 
         foreach ($this->ts->getInstance()->getElement('data', $searchResult) as $complain) {
             if ($complain['tcldbid'] === $tcldbid) {
@@ -29,7 +27,6 @@ final class ComplainDeleteAction extends AbstractAction
 
         if (!empty($fcldbid)) {
             $complainDeleteResult = $this->ts->getInstance()->complainDelete($tcldbid, $fcldbid);
-            $this->ts->checkCommandResult($complainDeleteResult);
         }
 
         $this->flash->addMessage('success', $this->translator->trans('done'));
diff --git a/src/Control/Actions/ComplainsAction.php b/src/Control/Actions/ComplainsAction.php
index 5a1d416..cbd9325 100644
--- a/src/Control/Actions/ComplainsAction.php
+++ b/src/Control/Actions/ComplainsAction.php
@@ -11,10 +11,8 @@ final class ComplainsAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $dataResult = $this->ts->getInstance()->complainList();
-        $this->ts->checkCommandResult($dataResult);
 
         // render GET
         $this->view->render($response, 'complains.twig', [
diff --git a/src/Control/Actions/GroupAddAction.php b/src/Control/Actions/GroupAddAction.php
index 2df3d14..d6c315b 100644
--- a/src/Control/Actions/GroupAddAction.php
+++ b/src/Control/Actions/GroupAddAction.php
@@ -15,10 +15,8 @@ final class GroupAddAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $groupAddResult = $this->ts->getInstance()->serverGroupAddClient($sgid, $cldbid);
-        $this->ts->checkCommandResult($groupAddResult);
 
         $this->flash->addMessage('success', $this->translator->trans('added'));
 
diff --git a/src/Control/Actions/GroupDeleteAction.php b/src/Control/Actions/GroupDeleteAction.php
index 4e29281..32d10b8 100644
--- a/src/Control/Actions/GroupDeleteAction.php
+++ b/src/Control/Actions/GroupDeleteAction.php
@@ -12,10 +12,8 @@ final class GroupDeleteAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $groupDeleteResult = $this->ts->getInstance()->serverGroupDelete($sgid);
-        $this->ts->checkCommandResult($groupDeleteResult);
 
         $this->flash->addMessage('success', $this->translator->trans('done'));
 
diff --git a/src/Control/Actions/GroupInfoAction.php b/src/Control/Actions/GroupInfoAction.php
index 8caa211..522bdc4 100644
--- a/src/Control/Actions/GroupInfoAction.php
+++ b/src/Control/Actions/GroupInfoAction.php
@@ -12,13 +12,10 @@ final class GroupInfoAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $clientsResult = $this->ts->getInstance()->serverGroupClientList($sgid, true);
-        $this->ts->checkCommandResult($clientsResult);
 
         $permissionsResult = $this->ts->getInstance()->serverGroupPermList($sgid, true);
-        $this->ts->checkCommandResult($permissionsResult);
 
         // render GET
         $this->view->render($response, 'group_info.twig', [
diff --git a/src/Control/Actions/GroupRemoveAction.php b/src/Control/Actions/GroupRemoveAction.php
index b6f2b9a..107abd2 100644
--- a/src/Control/Actions/GroupRemoveAction.php
+++ b/src/Control/Actions/GroupRemoveAction.php
@@ -13,10 +13,8 @@ final class GroupRemoveAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $groupRemoveResult = $this->ts->getInstance()->serverGroupDeleteClient($sgid, $cldbid);
-        $this->ts->checkCommandResult($groupRemoveResult);
 
         $this->flash->addMessage('success', $this->translator->trans('removed'));
 
diff --git a/src/Control/Actions/GroupsAction.php b/src/Control/Actions/GroupsAction.php
index 08f828d..7fc6d38 100644
--- a/src/Control/Actions/GroupsAction.php
+++ b/src/Control/Actions/GroupsAction.php
@@ -11,13 +11,10 @@ final class GroupsAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $serverGroupsResult = $this->ts->getInstance()->serverGroupList();
-        $this->ts->checkCommandResult($selectResult);
 
         $channelGroupsResult = $this->ts->getInstance()->channelGroupList();
-        $this->ts->checkCommandResult($channelGroupsResult);
 
         // render GET
         $this->view->render($response, 'groups.twig', [
diff --git a/src/Control/Actions/InstanceAction.php b/src/Control/Actions/InstanceAction.php
index f439dc0..3d540cd 100644
--- a/src/Control/Actions/InstanceAction.php
+++ b/src/Control/Actions/InstanceAction.php
@@ -9,9 +9,7 @@ final class InstanceAction extends AbstractAction
     {
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $hostResult = $this->ts->getInstance()->hostInfo();
-        $this->ts->checkCommandResult($hostResult);
         $instanceResult = $this->ts->getInstance()->instanceInfo();
-        $this->ts->checkCommandResult($instanceResult);
 
         $data['data'] = array_merge($hostResult['data'], $instanceResult['data']);
 
diff --git a/src/Control/Actions/InstanceEditAction.php b/src/Control/Actions/InstanceEditAction.php
index ca8e58c..e078701 100644
--- a/src/Control/Actions/InstanceEditAction.php
+++ b/src/Control/Actions/InstanceEditAction.php
@@ -11,7 +11,6 @@ final class InstanceEditAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $dataResult = $this->ts->getInstance()->instanceEdit($body);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('instance_edit.edited.success'));
         return $response->withRedirect('/instance');
diff --git a/src/Control/Actions/LogsAction.php b/src/Control/Actions/LogsAction.php
index cd1c330..c76650b 100644
--- a/src/Control/Actions/LogsAction.php
+++ b/src/Control/Actions/LogsAction.php
@@ -10,7 +10,6 @@ final class LogsAction extends AbstractAction
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
 
         $dataResult = $this->ts->getInstance()->logView(100, 1, 1);
-        $this->ts->checkCommandResult($dataResult);
 
         // render GET
         $this->view->render($response, 'logs.twig', [
diff --git a/src/Control/Actions/OnlineAction.php b/src/Control/Actions/OnlineAction.php
index d2eb886..9c83bfa 100644
--- a/src/Control/Actions/OnlineAction.php
+++ b/src/Control/Actions/OnlineAction.php
@@ -11,10 +11,9 @@ final class OnlineAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
-        $dataResult = $this->ts->getInstance()->clientList();
-        $this->ts->checkCommandResult($dataResult);
+        $dataResult = $this->ts->getInstance()->clientList('-ip -times -info');
+        $this->ts->getInstance()->logout(); // avoid showing currently used user twice
 
         $instance = TeamSpeak3::factory(sprintf("serverquery://%s:%s@%s:%s/?server_id=%s",
             $this->auth->getIdentity()['user'],
@@ -26,6 +25,7 @@ final class OnlineAction extends AbstractAction
 
         $treeView = new TeamSpeak3_Viewer_Html("/images/viewer/", "/images/flags/", "data:image");
         $tree = $instance->getViewer($treeView);
+        $instance->logout();
 
         // render GET
         $this->view->render($response, 'online.twig', [
diff --git a/src/Control/Actions/OnlineBanAction.php b/src/Control/Actions/OnlineBanAction.php
index 92c7111..602e87b 100644
--- a/src/Control/Actions/OnlineBanAction.php
+++ b/src/Control/Actions/OnlineBanAction.php
@@ -14,10 +14,8 @@ final class OnlineBanAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $dataResult = $this->ts->getInstance()->banClient($clid, (!empty($body['time']) ? $body['time'] : 0), $body['reason']);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('online.banned.success', ['%clid%' => $clid]));
         return $response->withRedirect('/online/' . $sid . '/' . $clid);
diff --git a/src/Control/Actions/OnlineInfoAction.php b/src/Control/Actions/OnlineInfoAction.php
index 004e0bc..c803924 100644
--- a/src/Control/Actions/OnlineInfoAction.php
+++ b/src/Control/Actions/OnlineInfoAction.php
@@ -12,10 +12,8 @@ final class OnlineInfoAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $dataResult = $this->ts->getInstance()->clientInfo($clid);
-        $this->ts->checkCommandResult($dataResult);
 
         // render GET
         $this->view->render($response, 'online_info.twig', [
diff --git a/src/Control/Actions/OnlineKickAction.php b/src/Control/Actions/OnlineKickAction.php
index 5043f2a..700498f 100644
--- a/src/Control/Actions/OnlineKickAction.php
+++ b/src/Control/Actions/OnlineKickAction.php
@@ -14,10 +14,8 @@ final class OnlineKickAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $dataResult = $this->ts->getInstance()->clientKick($clid, 'server', $body['reason']);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('online.kicked.success', ['%clid%' => $clid]));
         return $response->withRedirect('/online/' . $sid);
diff --git a/src/Control/Actions/OnlinePokeAction.php b/src/Control/Actions/OnlinePokeAction.php
index b4ec583..e55f55a 100644
--- a/src/Control/Actions/OnlinePokeAction.php
+++ b/src/Control/Actions/OnlinePokeAction.php
@@ -14,10 +14,8 @@ final class OnlinePokeAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $dataResult = $this->ts->getInstance()->clientPoke($clid, $body['message']);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('online.poked.success', ['%clid%' => $clid]));
         return $response->withRedirect('/online/' . $sid . '/' . $clid);
diff --git a/src/Control/Actions/OnlineSendAction.php b/src/Control/Actions/OnlineSendAction.php
index 8078928..ed0c1f9 100644
--- a/src/Control/Actions/OnlineSendAction.php
+++ b/src/Control/Actions/OnlineSendAction.php
@@ -14,10 +14,8 @@ final class OnlineSendAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $dataResult = $this->ts->getInstance()->sendMessage(1, $clid, $body['message']);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('done'));
         return $response->withRedirect('/online/' . $sid . '/' . $clid);
diff --git a/src/Control/Actions/ProfileAction.php b/src/Control/Actions/ProfileAction.php
index 588da84..eac7497 100644
--- a/src/Control/Actions/ProfileAction.php
+++ b/src/Control/Actions/ProfileAction.php
@@ -9,7 +9,6 @@ final class ProfileAction extends AbstractAction
     {
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $whoisResult = $this->ts->getInstance()->whoAmI();
-        $this->ts->checkCommandResult($whoisResult);
 
         // render GET
         $this->view->render($response, 'profile.twig', [
diff --git a/src/Control/Actions/ProfileCredentialsChangeAction.php b/src/Control/Actions/ProfileCredentialsChangeAction.php
index 7a8465c..248b4d6 100644
--- a/src/Control/Actions/ProfileCredentialsChangeAction.php
+++ b/src/Control/Actions/ProfileCredentialsChangeAction.php
@@ -9,7 +9,6 @@ final class ProfileCredentialsChangeAction extends AbstractAction
     {
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $dataResult = $this->ts->getInstance()->clientSetServerQueryLogin($this->auth->getIdentity()['user']);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('profile_credentials.changed.success', ['%password%' => $dataResult['data']['client_login_password']]));
         $this->auth->logout();
diff --git a/src/Control/Actions/ServerCreateAction.php b/src/Control/Actions/ServerCreateAction.php
index 520c174..a8b5b11 100644
--- a/src/Control/Actions/ServerCreateAction.php
+++ b/src/Control/Actions/ServerCreateAction.php
@@ -11,7 +11,6 @@ final class ServerCreateAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $dataResult = $this->ts->getInstance()->serverCreate($body);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('server_create.created.success', ['%token%' => $dataResult['data']['token']]));
         return $response->withRedirect('/servers');
diff --git a/src/Control/Actions/ServerDeleteAction.php b/src/Control/Actions/ServerDeleteAction.php
index 8817524..17b6ea2 100644
--- a/src/Control/Actions/ServerDeleteAction.php
+++ b/src/Control/Actions/ServerDeleteAction.php
@@ -11,10 +11,8 @@ final class ServerDeleteAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $dataResult = $this->ts->getInstance()->serverDelete($sid);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('done'));
         return $response->withRedirect('/servers');
diff --git a/src/Control/Actions/ServerEditAction.php b/src/Control/Actions/ServerEditAction.php
index 9e02e8d..c4e1396 100644
--- a/src/Control/Actions/ServerEditAction.php
+++ b/src/Control/Actions/ServerEditAction.php
@@ -12,10 +12,8 @@ final class ServerEditAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $dataResult = $this->ts->getInstance()->serverEdit($body);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('server_edit.edited.success', ['%sid%' => $sid]));
         return $response->withRedirect('/servers/' . $sid);
diff --git a/src/Control/Actions/ServerInfoAction.php b/src/Control/Actions/ServerInfoAction.php
index df29fae..a347439 100644
--- a/src/Control/Actions/ServerInfoAction.php
+++ b/src/Control/Actions/ServerInfoAction.php
@@ -11,13 +11,10 @@ final class ServerInfoAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $infoResult = $this->ts->getInstance()->serverInfo();
-        $this->ts->checkCommandResult($infoResult);
 
         $uploadsResult = $this->ts->getInstance()->ftList();
-        $this->ts->checkCommandResult($uploadsResult);
 
         // render GET
         $this->view->render($response, 'server_info.twig', [
diff --git a/src/Control/Actions/ServerSendAction.php b/src/Control/Actions/ServerSendAction.php
index 0f0067b..b4d2cab 100644
--- a/src/Control/Actions/ServerSendAction.php
+++ b/src/Control/Actions/ServerSendAction.php
@@ -12,10 +12,8 @@ final class ServerSendAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $selectResult = $this->ts->getInstance()->selectServer($sid, 'serverId');
-        $this->ts->checkCommandResult($selectResult);
 
         $dataResult = $this->ts->getInstance()->sendMessage(3, $sid, $body['message']);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('done'));
         return $response->withRedirect('/servers/' . $sid);
diff --git a/src/Control/Actions/ServerStartAction.php b/src/Control/Actions/ServerStartAction.php
index 8a4b4c8..1ceb5fe 100644
--- a/src/Control/Actions/ServerStartAction.php
+++ b/src/Control/Actions/ServerStartAction.php
@@ -11,7 +11,6 @@ final class ServerStartAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $dataResult = $this->ts->getInstance()->serverStart($sid);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('servers.started.success', ['%sid%' => $sid]));
         return $response->withRedirect('/servers');
diff --git a/src/Control/Actions/ServerStopAction.php b/src/Control/Actions/ServerStopAction.php
index 139d1a7..5de5df2 100644
--- a/src/Control/Actions/ServerStopAction.php
+++ b/src/Control/Actions/ServerStopAction.php
@@ -11,7 +11,6 @@ final class ServerStopAction extends AbstractAction
 
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $dataResult = $this->ts->getInstance()->serverStop($sid);
-        $this->ts->checkCommandResult($dataResult);
 
         $this->flash->addMessage('success', $this->translator->trans('servers.stopped.success', ['%sid%' => $sid]));
         return $response->withRedirect('/servers');
diff --git a/src/Control/Actions/ServersAction.php b/src/Control/Actions/ServersAction.php
index d75c284..fd7abe3 100644
--- a/src/Control/Actions/ServersAction.php
+++ b/src/Control/Actions/ServersAction.php
@@ -9,7 +9,6 @@ final class ServersAction extends AbstractAction
     {
         $this->ts->login($this->auth->getIdentity()['user'], $this->auth->getIdentity()['password']);
         $dataResult = $this->ts->getInstance()->serverList();
-        $this->ts->checkCommandResult($dataResult);
 
         // render GET
         $this->view->render($response, 'servers.twig', [
diff --git a/src/Util/Auth/TSAuthAdapter.php b/src/Util/Auth/TSAuthAdapter.php
index c4462a0..ff8dec2 100644
--- a/src/Util/Auth/TSAuthAdapter.php
+++ b/src/Util/Auth/TSAuthAdapter.php
@@ -25,7 +25,7 @@ class TSAuthAdapter extends \Zend\Authentication\Adapter\AbstractAdapter
      */
     private $ts;
 
-    public function __construct($host, $queryPort, LoggerInterface $logger, $ts)
+    public function __construct($host, $queryPort, LoggerInterface $logger, TSInstance $ts)
     {
         $this->host = $host;
         $this->queryPort = $queryPort;
@@ -45,7 +45,7 @@ class TSAuthAdapter extends \Zend\Authentication\Adapter\AbstractAdapter
         $password = $this->getCredential();
 
         if ($this->ts->login($user, $password)) {
-            $this->logger->info(sprintf('%s authenticated with teamspeak instance %s:%s', $user, $this->ts->getHost(), $this->ts->getQueryPort()));
+            $this->logger->info(sprintf('Authenticated as %s', $user));
 
             $user = ['identity' => $user, 'user' => $user, 'password'=> $password, 'role' => ACL::ACL_DEFAULT_ROLE_ADMIN];
             return new Result(Result::SUCCESS, $user, array());
diff --git a/src/Util/TS3AdminProxy.php b/src/Util/TS3AdminProxy.php
new file mode 100644
index 0000000..e5532f9
--- /dev/null
+++ b/src/Util/TS3AdminProxy.php
@@ -0,0 +1,68 @@
+<?php
+
+class TS3AdminProxy
+{
+    private $object;
+    private $logger;
+
+    /**
+     * TS3AdminProxy constructor.
+     * @param ts3admin $object
+     * @param $logger \Psr\Log\LoggerInterface
+     */
+    public function __construct(ts3admin $object, $logger) {
+        $this->object = $object;
+        $this->logger = $logger;
+    }
+
+    public function __call($method, $args) {
+
+        // hide sensitive args
+        if (in_array($method, ['login'])) {
+            $this->logger->debug(sprintf('Calling %s', $method));
+        } else {
+            $this->logger->debug(sprintf('Calling %s', $method), $args);
+        }
+
+        // invoke original method
+        $result = call_user_func_array(array($this->object, $method), $args);
+
+        // check result
+        if (is_array($result)) {
+            $this->logger->debug('Received', $result);
+
+            if (array_key_exists('success', $result)) {
+                $success = call_user_func_array(array($this->object, 'getElement'), ['success', $result]);
+
+                if (!$success) {
+                    if (array_key_exists('errors', $result)) {
+                        $errors = call_user_func_array(array($this->object, 'getElement'), ['errors', $result]);
+                        $errorsAsString = implode('. ', $errors);
+
+                        if (count($errors) === 1) {
+
+                            // catch this
+                            if (strpos($errorsAsString, 'ErrorID: 1281 | Message: database empty result set') !== false) {
+                                $throw = false;
+                            } else {
+                                $throw = true;
+                            }
+                        } else {
+                            $throw = true;
+                        }
+
+                        if ($throw) {
+                            throw new TSException($errorsAsString);
+                        }
+                    } else {
+                        throw new TSException('An unknown error occurred.');
+                    }
+                }
+            }
+        } else {
+            $this->logger->debug('Received ' . $result);
+        }
+
+        return $result;
+    }
+}
\ No newline at end of file
diff --git a/src/Util/TSInstance.php b/src/Util/TSInstance.php
index 293e845..808f0b9 100644
--- a/src/Util/TSInstance.php
+++ b/src/Util/TSInstance.php
@@ -18,21 +18,31 @@ class TSInstance
     private $queryPort;
 
     /**
-     * TeamSpeakWrapper constructor.
+     * @var \Psr\Log\LoggerInterface
      */
-    public function __construct()
+    private $logger;
+
+    /**
+     * TeamSpeakWrapper constructor.
+     * @param $logger
+     */
+    public function __construct($logger)
     {
+        $this->logger = $logger;
+
         $this->host = getenv('teamspeak_default_host');
         $this->queryPort = getenv('teamspeak_default_query_port');
 
         $ts = new ts3admin($this->host, $this->queryPort);
+        $ts = new TS3AdminProxy($ts, $logger);
 
-        if($ts->getElement('success', $ts->connect())) {
-        } else {
-            die('An unknown error occurred. A connection to the teamspeak server could not be established. Check settings.');
+        try {
+            $ts->connect();
+            $this->ts = $ts;
+            $this->logger->debug(sprintf('Connected to %s:%s', $this->host, $this->queryPort));
+        } catch (TSException $e) {
+            die($e);
         }
-
-        $this->ts = $ts;
     }
 
     /**
@@ -45,8 +55,8 @@ class TSInstance
     public function login($user, $password)
     {
         if (!empty($user) && !empty($password)) {
-            $res = $this->ts->login($user, $password);
-            $this->checkCommandResult($res);
+            $this->ts->login($user, $password);
+            $this->logger->debug(sprintf('Logged in as %s', $user));
         } else {
             throw new InvalidArgumentException('User and password not provided');
         }
@@ -54,39 +64,6 @@ class TSInstance
         return true;
     }
 
-    /**
-     * Check if any error occurred
-     *
-     * @param $result
-     * @return bool
-     */
-    public function checkCommandResult($result)
-    {
-        if (!$this->ts->getElement('success', $result)) {
-
-            $errors = $this->ts->getElement('errors', $result);
-            $errorsAsString = implode('. ', $errors);
-
-            if (count($errors) === 1) {
-
-                // catch this
-                if (strpos($errorsAsString, 'ErrorID: 1281 | Message: database empty result set') !== false) {
-                    $throw = false;
-                } else {
-                    $throw = true;
-                }
-            } else {
-                $throw = true;
-            }
-
-            if ($throw) {
-                throw new TSException($errorsAsString);
-            }
-        }
-
-        return true;
-    }
-
     /**
      * @return string
      */
diff --git a/src/View/material/online.twig b/src/View/material/online.twig
index 71bead1..5713d2c 100644
--- a/src/View/material/online.twig
+++ b/src/View/material/online.twig
@@ -11,6 +11,12 @@
             {% if data|length >0 %}
                 {% include 'table.twig' with {'data': data,
                     'hide': [{'key': 'client_type', 'values': ['1']}],
+                    'filters': [
+                        {'key': 'client_idle_time', 'apply': 'timeInSeconds'},
+                        {'key': 'connection_connected_time', 'apply': 'timeInSeconds'},
+                        {'key': 'client_created', 'apply': 'timestamp'},
+                        {'key': 'client_lastconnected', 'apply': 'timestamp'}
+                    ],
                     'links': [
                         {'key': 'clid', 'uri': '/online/' ~ sid},
                         {'key': 'cid', 'uri': '/channels/' ~ sid, 'uri_param': 'cid'},