diff --git a/onebuttoninstaller/ext/ext/onebuttoninstaller/spinner.inc b/onebuttoninstaller/ext/ext/onebuttoninstaller/spinner.inc
new file mode 100644
index 0000000..1d88da8
--- /dev/null
+++ b/onebuttoninstaller/ext/ext/onebuttoninstaller/spinner.inc
@@ -0,0 +1,30 @@
+<!-- attach spinner -->
+<script type="text/javascript">
+function spinner() {
+        var opts = {
+            lines: 10, // The number of lines to draw
+            length: 7, // The length of each line
+            width: 4, // The line thickness
+            radius: 10, // The radius of the inner circle
+            corners: 1, // Corner roundness (0..1)
+            rotate: 0, // The rotation offset
+            color: '#000', // #rgb or #rrggbb
+            opacity: 0.45, // Opacity of the lines
+            speed: 1, // Rounds per second
+            trail: 60, // Afterglow percentage
+            shadow: false, // Whether to render a shadow
+            hwaccel: false, // Whether to use hardware acceleration
+            className: 'spinner', // The CSS class to assign to the spinner
+            zIndex: 2e9, // The z-index (defaults to 2000000000)
+            top: '50%', // Top position relative to parent
+            left: '50%', // Left position relative to parent
+            position: 'fixed', // Element positioning
+        };
+        var target = document.getElementById('spinner_main');
+        var spinner = new Spinner(opts).spin(target);
+        $('#spinner_overlay').show();
+}
+</script>
+<div id="spinner_main"></div>
+<div id="spinner_overlay" style="display: none; background-color: black; position: fixed; left:0; top:0; height:100%; width:100%; opacity: 0.25;"></div>
+<!-- end of spinner -->
diff --git a/onebuttoninstaller/ext/onebuttoninstaller-update_extension.php b/onebuttoninstaller/ext/onebuttoninstaller-update_extension.php
index 01e769a..9d3d73b 100644
--- a/onebuttoninstaller/ext/onebuttoninstaller-update_extension.php
+++ b/onebuttoninstaller/ext/onebuttoninstaller-update_extension.php
@@ -126,29 +126,10 @@ if (isset($_POST['ext_update']) && $_POST['ext_update']) {
     else { $input_errors[] = sprintf(gettext("Download of installation file %s failed, installation aborted!"), "onebuttoninstaller-install.php"); }
 }
 include("fbegin.inc");?>
-<script type="text/javascript">
-function spinner() {
-        var opts = {
-            lines: 10, // The number of lines to draw
-            length: 7, // The length of each line
-            width: 4, // The line thickness
-            radius: 10, // The radius of the inner circle
-            corners: 1, // Corner roundness (0..1)
-            rotate: 0, // The rotation offset
-            color: '#000', // #rgb or #rrggbb
-            speed: 1, // Rounds per second
-            trail: 60, // Afterglow percentage
-            shadow: false, // Whether to render a shadow
-            hwaccel: false, // Whether to use hardware acceleration
-            className: 'spinner', // The CSS class to assign to the spinner
-            zIndex: 2e9, // The z-index (defaults to 2000000000)
-        };
-        var target = document.getElementById('foo');
-        var spinner = new Spinner(opts).spin(target);
-}
-</script>
-<div id="foo">
+<!-- The Spinner Elements -->
+<?php include("ext/onebuttoninstaller/spinner.inc");?>
 <script src="ext/onebuttoninstaller/spin.min.js"></script>
+<!-- use: onsubmit="spinner()" within the form tag -->
 
 <form action="onebuttoninstaller-update_extension.php" method="post" name="iform" id="iform" onsubmit="spinner()">
 <table width="100%" border="0" cellpadding="0" cellspacing="0">
@@ -196,4 +177,3 @@ function spinner() {
 </table>
 </form>
 <?php include("fend.inc");?>
-</div>  <!-- foo -->
diff --git a/onebuttoninstaller/ext/onebuttoninstaller.php b/onebuttoninstaller/ext/onebuttoninstaller.php
index f2a48c2..e9ceb27 100644
--- a/onebuttoninstaller/ext/onebuttoninstaller.php
+++ b/onebuttoninstaller/ext/onebuttoninstaller.php
@@ -86,16 +86,9 @@ function log_display($loginfo) {
  * name:                0       extension name
  * version:             1       extension version (base for config entry - could change for newer versions)
  * xmlstring:           2       config.xml or installation directory
- * command(list)1:      3       SHELL commands
- * command(list)2:      4       PHP commands
+ * command(list)1:      3       execution of SHELL commands / scripts (e.g. download installer, untar, chmod, ...)
+ * command(list)2:      4       empty ("-") or PHP script name (file MUST exist)
  * description:         5       plain text which can include HTML tags
- */
-
-/*  DEBUGGER
-print_r($result[3]);
-echo('<br />');
-print_r($result[4]);
-echo('<br />');
  */
 
     // Create table data
@@ -106,13 +99,14 @@ echo('<br />');
 		echo "<tr valign=\"top\">\n";
 		for ($i = 0; $i < count($loginfo['columns']); $i++) {           // handle pmids (columns)
             if ($i == count($loginfo['columns']) - 1) {
-                // check if extension is already installed (config.xml entry or for command line tools based on install directory)
+                // check if extension is already installed (existing config.xml entry or, for command line tools, based on installation directory)
                 if ((isset($config[$result[2]])) || ((strpos($result[2], "/") == 0) && (is_dir("{$config['onebuttoninstaller']['storage_path']}{$result[2]}")))){ 
                     echo "<td {$loginfo['columns'][$i]['param']} class='{$loginfo['columns'][$i]['class']}'> <img src='status_enabled.png' border='0' alt='' title='".gettext('Enabled')."' /> </td>\n";                    
                 }  
                 else {                                                  // data for installation
                     echo "<td {$loginfo['columns'][$i]['param']} class='{$loginfo['columns'][$i]['class']}'> 
                         <input type='checkbox' name='name[".$j."][extension]' value='".$result[2]."' />
+                        <input type='hidden' name='name[".$j."][truename]' value='".$result[0]."' />
                         <input type='hidden' name='name[".$j."][command1]' value='".$result[3]."' />
                         <input type='hidden' name='name[".$j."][command2]' value='".$result[4]."' />
                     </td>\n"; 
@@ -125,74 +119,49 @@ echo('<br />');
 	}
 }
 
-//ob_start();
-//$ausgabe = ob_get_contents();
-//ob_end_clean();
-//foreach ($ausgabe as $msg) $savemsg .= $msg."<br />";
-if (isset($_POST) && $_POST) {                                          
-    foreach($_POST[name] as $line) {
+if (isset($_POST['install'], $_POST['name'])) {
+    foreach($_POST['name'] as $line) {
         if (isset($line['extension'])) {
-            $savemsg .= "<b>{$line['extension']}</b>"."<br />";
-            $savemsg .= print_r($line, true)."<br />";
+            $savemsg .= gettext("Installation").": <b>{$line['truename']}</b>"."<br />";
             unset($result);
             exec("cd {$config["onebuttoninstaller"]["storage_path"]} && {$line['command1']}", $result, $return_val);
             if ($return_val == 0) {
-                $savemsg .= "<b>command1 successful</b>"."<br />";
-            	foreach ($result as $msg) $savemsg .= $msg."<br />";
+            	foreach ($result as $msg) $savemsg .= $msg."<br />";    // output on success
                 unset($result);
-//                exec("cd {$config["onebuttoninstaller"]["storage_path"]} && {$line['command2']}", $result, $return_val);
-//                if (file_exists("{$config["onebuttoninstaller"]["storage_path"]}/{$line['command2']}")) {
-                if ("{$line['command2']}" != "-") {
-ob_start();
-                    require_once("{$config['onebuttoninstaller']['storage_path']}/{$line['command2']}");
-ob_end_clean();
-                    if ($return_val == 0) {
-                        $savemsg .= "<br />"."<b>command2 successful</b>"."<br />";
-//                    	foreach ($result as $msg) $savemsg .= $msg."<br />";
-                    }
-                    else {
-                    	$errormsg .= gettext("Error")."<br />";
-//                    	foreach ($result as $msg) $errormsg .= $msg."<br />";
-                        $savemsg .= "<b>command2 NOT successful</b>"."<br />";
+                if ("{$line['command2']}" != "-") {                     // check if a PHP script must be executed
+                    if (file_exists("{$config["onebuttoninstaller"]["storage_path"]}/{$line['command2']}")) {
+                        $savemsg_old = $savemsg;                        // save messages for use after output buffering ends
+                        ob_start();                                     // start output buffering
+                        include("{$config['onebuttoninstaller']['storage_path']}/{$line['command2']}");
+                        $ausgabe = ob_get_contents();                   // get outputs from include command
+                        ob_end_clean();                                 // close output buffering 
+                        $savemsg = $savemsg_old;                        // recover saved messages ...
+                        $savemsg .= str_replace("\n", "<br />", $ausgabe)."<br />";     // ... and append messages from include command
                     }
+                    else $errormsg .= sprintf(gettext("PHP script %s not found!"), "{$config["onebuttoninstaller"]["storage_path"]}/{$line['command2']}")."<br />";
                 }
-//                else $errormsg .= "Error: file {$config["onebuttoninstaller"]["storage_path"]}/{$line['command2']} not found!"."<br />";
-            }
-            else {
-               	$errormsg .= gettext("Error on command1")."<br />";
+            }   // EOcommand1 OK
+            else {                                                     // throw error message for command1
+                $errormsg .= gettext("Installation error").": <b>{$line['truename']}</b>"."<br />";
             	foreach ($result as $msg) $errormsg .= $msg."<br />";
-                $savemsg .= "<b>command1 NOT successful</b>"."<br />";
-            }  
-        }
-    }
-}
+            }   // EOcommand1 NOK  
+        }   // EOisset line
+    }   // EOforeach
+}   // EOinstall
 
-if (!is_file("{$config['onebuttoninstaller']['rootfolder']}extensions.txt")) $savemsg .= sprintf(gettext("File %s not found!"), "{$config['onebuttoninstaller']['rootfolder']}extensions.txt");
+if (isset($_POST['update'])) {
+    $return_val = mwexec("fetch -o {$config['onebuttoninstaller']['rootfolder']}extensions.txt https://raw.github.com/crestAT/nas4free-onebuttoninstaller/master/onebuttoninstaller/extensions.txt", true);
+    if ($return_val == 0) $savemsg .= gettext("New extensions list successfully downloaded!")."<br />";
+    else $errormsg .= gettext("Unable to retrieve extensions list from server!")."<br />";
+}   // EOupdate
+
+if (!is_file("{$config['onebuttoninstaller']['rootfolder']}extensions.txt")) $errormsg .= sprintf(gettext("File %s not found!"), "{$config['onebuttoninstaller']['rootfolder']}extensions.txt")."<br />";
 
 include("fbegin.inc");?>
-<script type="text/javascript">
-function spinner() {
-        var opts = {
-            lines: 10, // The number of lines to draw
-            length: 7, // The length of each line
-            width: 4, // The line thickness
-            radius: 10, // The radius of the inner circle
-            corners: 1, // Corner roundness (0..1)
-            rotate: 0, // The rotation offset
-            color: '#000', // #rgb or #rrggbb
-            speed: 1, // Rounds per second
-            trail: 60, // Afterglow percentage
-            shadow: false, // Whether to render a shadow
-            hwaccel: false, // Whether to use hardware acceleration
-            className: 'spinner', // The CSS class to assign to the spinner
-            zIndex: 2e9, // The z-index (defaults to 2000000000)
-        };
-        var target = document.getElementById('foo');
-        var spinner = new Spinner(opts).spin(target);
-}
-</script>
-<div id="foo">
+<!-- The Spinner Elements -->
+<?php include("ext/onebuttoninstaller/spinner.inc");?>
 <script src="ext/onebuttoninstaller/spin.min.js"></script>
+<!-- use: onsubmit="spinner()" within the form tag -->
 
 <form action="onebuttoninstaller.php" method="post" name="iform" id="iform" onsubmit="spinner()">
     <table width="100%" border="0" cellpadding="0" cellspacing="0">
@@ -204,8 +173,8 @@ function spinner() {
     		</ul>
     	</td></tr>
     	<tr><td class="tabcont">
-            <?php if (!empty($errormsg)) print_error_box($errormsg);?>
             <?php if (!empty($savemsg)) print_info_box($savemsg);?>
+            <?php if (!empty($errormsg)) print_error_box($errormsg);?>
     		<table width="100%" border="0" cellpadding="0" cellspacing="0">
                 <?php 
                     log_display($loginfo[$log]);
@@ -220,4 +189,3 @@ function spinner() {
     </table>
 </form>
 <?php include("fend.inc");?>
-</div>  <!-- foo -->
diff --git a/onebuttoninstaller/extensions.txt b/onebuttoninstaller/extensions.txt
index d85f804..3159278 100644
--- a/onebuttoninstaller/extensions.txt
+++ b/onebuttoninstaller/extensions.txt
@@ -1,5 +1,5 @@
 Extended GUI###0.5.1.2###extended-gui###mkdir -p extended-gui/backup && mkdir -p extended-gui/log && cd extended-gui && fetch https://raw.github.com/crestAT/nas4free-extended-gui/master/extended-gui/extended-gui-install.php && chmod 770 extended-gui*install.php && echo "fetch OK"###extended-gui/extended-gui-install.php###Extension for NAS4Free with several improvements for the WebGUI and additional functions. Most of the extension affects STATUS | SYSTEM view but also STATUS | GRAPH and DIAGNOSTICS | LOG which got a new entry NOTIFICATIONS.<br><br>The extension works on all plattforms (x86 & x64, ARM, embedded & full), does not need jail or pkg_add, enhance pages of the NAS4Free WebGUI, features configuration and extension maintenance (update & removal inside the WebGUI), let you switch between STANDARD (original) and EXTENDED WebGUI view and let you easily configure/enable/disable views and additional functions.<br>For more information -> <a href='http://forums.nas4free.org/viewtopic.php?f=71&t=6405' target='_blank'>NAS4Free Forum</a>
-Downloady###0.1###downloady###mkdir -p downloady/log && cd downloady && ls -hal && fetch -v https://raw.github.com/crestAT/nas4free-downloady/master/downloady/downloady-install.php && chmod 770 downloady*install.php && echo "fetch OK"###downloady/downloady-install.php###Simple PHP download manager which is fully integrated into the NAS4Free WebGUI.<br><br>Downloady for NAS4Free is based on Downloady - the PHP Download Manager by CyberLeo@cyberLeo Projects and features downloads from http, https and ftp sites as well as download bandwith managment, resume downloads after system startup and a simple scheduler. The extension works on all plattforms (x86 & x64, ARM, embedded & full), does not need jail or pkg_add, enhance pages of the NAS4Free WebGUI and features configuration and extension maintenance.
+Downloady###0.1###downloady###mkdir -p downloady/log && cd downloady && fetch -v https://raw.github.com/crestAT/nas4free-downloady/master/downloady/downloady-install.php && chmod 770 downloady*install.php && echo "fetch OK"###downloady/downloady-install.php###Simple PHP download manager which is fully integrated into the NAS4Free WebGUI.<br><br>Downloady for NAS4Free is based on Downloady - the PHP Download Manager by CyberLeo@cyberLeo Projects and features downloads from http, https and ftp sites as well as download bandwith managment, resume downloads after system startup and a simple scheduler. The extension works on all plattforms (x86 & x64, ARM, embedded & full), does not need jail or pkg_add, enhance pages of the NAS4Free WebGUI and features configuration and extension maintenance.
 RRDGraphs###0.3.1###rrdgraphs###mkdir -p rrdgraphs && cd rrdgraphs && fetch https://raw.github.com/crestAT/nas4free-rrdtool/master/rrdgraphs/rrd-install.php && chmod 770 rrd*install.php && echo "fetch OK"###rrdgraphs/rrd-install.php###Extension to install / configure / update and remove RRDTool based graphs for NAS4Free servers.<br><br>The extension is based on RRDtool and provides graphs for CPU frequency, CPU temperature, CPU usage, Disk usage (recognition of all mountpoints/shares automatically at RRDG startup), Load averages, Memory usage, Network latency, Network traffic, Processes, UPS, Uptime and ZFS ARC.<br><br>The extension is compatible with all versions (9.1.x - 10.x) of NAS4Free except on ARM boxes and works on all plattforms (x86 & x64, embedded & full), does not need jail or pkg_add, add pages to NAS4Free Web GUI extensions, features configuration and extension maintenance (update & removal inside the WebGUI) and is able to work on RAM drives to take care of your HDDs/USB pen drives.<br>For more information -> <a href='http://forums.nas4free.org/viewtopic.php?f=71&t=8299' target='_blank'>NAS4Free Forum</a>
 BitTorrent Sync###0.6.4.2###btsync###mkdir -p btsync && cd btsync && fetch https://raw.github.com/crestAT/nas4free-bittorrent-sync/master/bts-install.php && chmod 770 bts*install.php && echo "fetch OK"###btsync/bts-install.php###Extension to install / configure / backup / update / manage and remove BitTorrent Sync application on NAS4Free servers.<br><br>The extension can be used with BitTorrent Sync 1.4.x (last version was 1.4.111) as well as 2.x, is compatible with all versions (9.1.x - 10.x) of NAS4Free except on ARM boxes, works on all plattforms (embedded, full), does not need jail or pkg_add, add pages to NAS4Free Web GUI extensions, features configuration, application update & backup management, extension mantenance (update & removal) and log view with filter and search capability.<br><br><b>Note:</b> Standard BitTorrent Sync version is based on 2.x releases, to use the latest 1.x release open Extensions | BitTorrent Sync | Maintenance and change the Download URL for version <b>1.4.111:</b><br><b>64 bit: </b>http://syncapp.bittorrent.com/1.4.111/btsync_freebsd_x64-1.4.111.tar.gz<br><b>32 bit: </b>http://syncapp.bittorrent.com/1.4.111/btsync_freebsd_i386-1.4.111.tar.gz<br>and hit Save URL, Fetch and Install.<br>For more information -> <a href='http://forums.nas4free.org/viewtopic.php?f=71&t=5704' target='_blank'>NAS4Free Forum</a>
 Syncthing###0.1.3###syncthing###mkdir -p syncthing && cd syncthing && fetch https://raw.github.com/crestAT/nas4free-syncthing/master/stg-install.php && chmod 770 stg*install.php && echo "fetch OK"###syncthing/stg-install.php###Extension to install / configure / backup / update / manage and remove Syncthing (STG) application on NAS4Free (N4F) servers.<br><br>The extension works on all plattforms, does not need jail or pkg_add, add pages to NAS4Free WebGUI extensions, features configuration, application update & backup management, scheduling and log view with filter / search capabilities.<br>For more information -> <a href='http://forums.nas4free.org/viewtopic.php?f=71&t=7821' target='_blank'>NAS4Free Forum</a>
@@ -10,4 +10,4 @@ DNSMasq DHCP Server###0.2###dnsmasq###mkdir -p dnsmasq && cd dnsmasq && fetch ht
 Midnight Commander###2015-02-21###/midnightcommander###mkdir -p midnightcommander && cd midnightcommander && cp /usr/local/www/ext/onebuttoninstaller/mcommander.sh . && echo "copy OK" && chmod u+x mcommander.sh && echo "chmod OK" && `pwd`/mcommander.sh###-###Midnight Commander for NAS4Free.<br><br>After the successful installation you can use Midnight Commander in the system console shell or if you connect via ssh. To start the Midnight Commander just enter the command <b>mc</b> in the CLI.<br>For more information -> <a href='http://forums.nas4free.org/viewtopic.php?f=70&t=187' target='_blank'>NAS4Free Forum</a>
 zzz Dummy Project1###1.0###DummyProject###fetch https://raw.github.com/crestAT/nas4free-extended-gui/master/extended-gui_install.php && chmod 770 extended-gui*install.php && echo "fetch OK"###cat TEST/release_notes.txt && echo "\nFERTIG bin ich\n" && chmod 770 TEST/test.sh && TEST/test.sh###<font size="5" color="blue">This is a testbed for NAS4Free extensions!!!</font><br><b>Note: </b><font size="3" color="red">Don't use this extension!!!</font>
 zzz WebGUI Themes###6.6###themes###command1 themes ### command2  themes  ###   blah   blah   blah   blah   blah
-zzz RSS Feeder###x.y.z###rssfeed###command1 rssfeed ### command2  rssfeed ###   blah   blah   blah   blah   blah
+zzz RSS Feeder###x.y.z###rssfeed###echo "rssfeed com1" && echo "rssfeed OK"###zzz.php###   blah   blah   blah   blah   blah
diff --git a/onebuttoninstaller/onebuttoninstaller-install.php b/onebuttoninstaller/onebuttoninstaller-install.php
index a868abc..3cbb34f 100644
--- a/onebuttoninstaller/onebuttoninstaller-install.php
+++ b/onebuttoninstaller/onebuttoninstaller-install.php
@@ -31,11 +31,14 @@
 */
 /* 
 Version Date        Description
+0.1-b1  2016.01.28  real install/update from GitHub
+0.1-a6  2016.01.28  include spinner with overlay
+0.1-a5  2016.01.27  output buffering working now
 0.1-a4  2016.01.25  initial release
 0.1-a1  2016.01.16  initial release
                     
 */
-$v = "0.1-a4";      // extension version
+$v = "0.1-b1";      // extension version
 $appname = "OneButtonInstaller";
 
 require_once("config.inc");
@@ -50,7 +53,6 @@ global $input_errors;
 global $savemsg;
 
 $install_dir = dirname(__FILE__)."/";                           // get directory where the installer script resides
-if (!is_dir("{$install_dir}/backup")) { mkdir("{$install_dir}/backup", 0775, true); }
 if (!is_dir("{$install_dir}/log")) { mkdir("{$install_dir}/log", 0775, true); }
 
 // check FreeBSD release for fetch options >= 9.3
@@ -60,11 +62,11 @@ else $verify_hostname = "";
 // create stripped version name
 $vs = str_replace(".", "", $v);
 // fetch release archive
-$return_val = 0;//mwexec("fetch {$verify_hostname} -vo {$install_dir}master.zip 'https://github.com/crestAT/nas4free-onebuttoninstaller/releases/download/{$v}/onebuttoninstaller-{$vs}.zip'", true);
+$return_val = mwexec("fetch {$verify_hostname} -vo {$install_dir}master.zip 'https://github.com/crestAT/nas4free-onebuttoninstaller/releases/download/{$v}/onebuttoninstaller-{$vs}.zip'", true);
 if ($return_val == 0) {
-    $return_val = 0;//mwexec("tar -xf {$install_dir}master.zip -C {$install_dir} --exclude='.git*' --strip-components 2", true);
+    $return_val = mwexec("tar -xf {$install_dir}master.zip -C {$install_dir} --exclude='.git*' --strip-components 2", true);
     if ($return_val == 0) {
-//        exec("rm {$install_dir}master.zip");
+        exec("rm {$install_dir}master.zip");
         exec("chmod -R 775 {$install_dir}");
         if (is_file("{$install_dir}version.txt")) { $file_version = exec("cat {$install_dir}version.txt"); }
         else { $file_version = "n/a"; }
diff --git a/onebuttoninstaller/version.txt b/onebuttoninstaller/version.txt
index 9a50c30..03d5e5c 100644
--- a/onebuttoninstaller/version.txt
+++ b/onebuttoninstaller/version.txt
@@ -1 +1 @@
-0.1-a4
+0.1-b1
diff --git a/onebuttoninstaller_install.php b/onebuttoninstaller_install.php
index d34af41..af7ba25 100644
--- a/onebuttoninstaller_install.php
+++ b/onebuttoninstaller_install.php
@@ -7,7 +7,7 @@ $release = explode("-", exec("uname -r"));
 if ($release[0] >= 9.3) $verify_hostname = "--no-verify-hostname";
 else $verify_hostname = "";
 
-$return_val = 0;//mwexec("fetch {$verify_hostname} -vo onebuttoninstaller/onebuttoninstaller-install.php 'https://raw.github.com/crestAT/nas4free-onebuttoninstaller/master/onebuttoninstaller/onebuttoninstaller-install.php'", true);
+$return_val = mwexec("fetch {$verify_hostname} -vo onebuttoninstaller/onebuttoninstaller-install.php 'https://raw.github.com/crestAT/nas4free-onebuttoninstaller/master/onebuttoninstaller/onebuttoninstaller-install.php'", true);
 if ($return_val == 0) { 
     chmod("onebuttoninstaller/onebuttoninstaller-install.php", 0775);
     require_once("onebuttoninstaller/onebuttoninstaller-install.php");