diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1a0a3d6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/web/css/.sass-cache
diff --git a/esm.config.json b/esm.config.json
index f5812fe..e0a6ebd 100644
--- a/esm.config.json
+++ b/esm.config.json
@@ -1,8 +1,11 @@
 {
     "esm": {
-        "version": "2.0",
+        "version": "2.1",
         "website": "http://www.ezservermonitor.com"
     },
+    "disk": {
+        "show_tmpfs": false
+    },
     "ping": {
         "hosts": [
             "free.fr",
@@ -16,18 +19,22 @@
     "services": [
         {
             "name": "Web Server (Apache)",
+            "host": "localhost",
             "port": 80
         },
         {
             "name": "FTP Server (ProFTPd)",
+            "host": "localhost",
             "port": 21
         },
         {
             "name": "Databases (MySQL)",
+            "host": "localhost",
             "port": 3306
         },
         {
             "name": "SSH",
+            "host": "localhost",
             "port": 22
         }
     ]
diff --git a/index.php b/index.php
index a5178d2..52ba89d 100644
--- a/index.php
+++ b/index.php
@@ -8,7 +8,7 @@ $update = $Config->checkUpdate();
 <html lang="en">
 <head>
     <meta charset="utf-8">
-    <title>eZ Server Monitor - <?= Misc::getHostname(); ?></title>
+    <title>eZ Server Monitor - <?php echo Misc::getHostname(); ?></title>
     <link rel="stylesheet" href="web/css/utilities.css" type="text/css">
     <link rel="stylesheet" href="web/css/frontend.css" type="text/css">
     <!--[if IE]>
@@ -40,16 +40,16 @@ $update = $Config->checkUpdate();
 <nav role="main">
     <div id="appname">
         <a href="index.php"><span class="icon-gauge"></span>eSM</a>
-        <a href="<?= $Config->get('esm:website'); ?>"><span class="subtitle">eZ Server Monitor - v<?= $Config->get('esm:version'); ?></span></a>
+        <a href="<?php echo $Config->get('esm:website'); ?>"><span class="subtitle">eZ Server Monitor - v<?php echo $Config->get('esm:version'); ?></span></a>
     </div>
 
     <div id="hostname">
-        <?= Misc::getHostname(); ?> - <?= Misc::getLanIP(); ?>
+        <?php echo Misc::getHostname(); ?> - <?php echo Misc::getLanIP(); ?>
     </div>
 
     <?php if (!is_null($update)): ?>
         <div id="update">
-            <a href="<?= $update['fullpath']; ?>">New version available (<?= $update['availableVersion']; ?>) ! Click here to download</a>
+            <a href="<?php echo $update['fullpath']; ?>">New version available (<?php echo $update['availableVersion']; ?>) ! Click here to download</a>
         </div>
     <?php endif; ?>
 
diff --git a/libs/Utils/Config.class.php b/libs/Utils/Config.class.php
index 8111b32..a332b91 100644
--- a/libs/Utils/Config.class.php
+++ b/libs/Utils/Config.class.php
@@ -7,7 +7,7 @@ class Config
 
     public function __construct()
     {
-        $this->file = $_SERVER['DOCUMENT_ROOT'].'/esm.config.json';
+        $this->file = __DIR__.'/../../esm.config.json';
 
         if (file_exists($this->file))
             $this->_readFile();
@@ -16,7 +16,7 @@ class Config
     private function _readFile()
     {
         $content = file_get_contents($this->file);
-        $this->config = json_decode($content, true);
+        $this->config = json_decode(utf8_encode($content), true);
     }
 
 
diff --git a/libs/disk.php b/libs/disk.php
index d3d3199..811b0b8 100644
--- a/libs/disk.php
+++ b/libs/disk.php
@@ -1,9 +1,11 @@
 <?php
 require 'Utils/Misc.class.php';
+require 'Utils/Config.class.php';
+$Config = new Config();
 
 $datas = array();
 
-if (!(exec('/bin/df | awk \'{print $2","$3","$4","$5","$6}\'', $df)))
+if (!(exec('/bin/df -T | tail -n +2 | awk \'{print $2","$3","$4","$5","$6","$7}\'', $df)))
 {
     $datas[] = array(
         'total'         => 'N.A',
@@ -15,19 +17,14 @@ if (!(exec('/bin/df | awk \'{print $2","$3","$4","$5","$6}\'', $df)))
 }
 else
 {
-    $first_line = false;
-
     $mounted_points = array();
 
     foreach ($df as $mounted)
     {
-        if ($first_line === false)
-        {
-            $first_line = true;
-            continue;
-        }
+        list($type, $total, $used, $free, $percent, $mount) = explode(',', $mounted);
 
-        list($total, $used, $free, $percent, $mount) = explode(',', $mounted);
+        if (strpos($type, 'tmpfs') !== false && $Config->get('disk:show_tmpfs') === false)
+            continue;
 
         if (!in_array($mount, $mounted_points))
         {
diff --git a/libs/load_average.php b/libs/load_average.php
index 8eea8f9..6251c0e 100644
--- a/libs/load_average.php
+++ b/libs/load_average.php
@@ -1,21 +1,25 @@
 <?php
 
-if (!($load_tmp = shell_exec('/bin/cat /proc/loadavg | /usr/bin/awk \'{print $1","$2","$3}\'')))
+if (!($load_tmp = shell_exec('cat /proc/loadavg | awk \'{print $1","$2","$3}\'')))
 {
     $load = array(0, 0, 0);
 }
 else
 {
+    // Number of cores
+    $cores = (int)shell_exec('grep -c ^processor /proc/cpuinfo');
+
     $load_exp = explode(',', $load_tmp);
 
     $load = array_map(
-        function ($value) {
-            $v = (int)($value * 100);
+        function ($value, $cores) {
+            $v = (int)($value * 100 / $cores);
             if ($v > 100)
                 $v = 100;
             return $v;
         }, 
-        $load_exp
+        $load_exp,
+        array_fill(0, 3, $cores)
     );
 }
 
diff --git a/libs/memory.php b/libs/memory.php
index 27a783e..67fee34 100644
--- a/libs/memory.php
+++ b/libs/memory.php
@@ -2,13 +2,13 @@
 require 'Utils/Misc.class.php';
 
 // Free
-if (!($free = shell_exec('grep MemFree /proc/meminfo | awk \'{print $2}\'')))
+if (!($free = shell_exec('/usr/bin/free -to | grep Mem: | awk \'{print $4+$6+$7}\'')))
 {
     $free = 0;
 }
 
 // Total
-if (!($total = shell_exec('grep MemTotal /proc/meminfo | awk \'{print $2}\'')))
+if (!($total = shell_exec('/usr/bin/free -to | grep Mem: | awk \'{print $2}\'')))
 {
     $total = 0;
 }
diff --git a/libs/network.php b/libs/network.php
index 12521bf..e486fc5 100644
--- a/libs/network.php
+++ b/libs/network.php
@@ -3,7 +3,7 @@ require 'Utils/Misc.class.php';
 
 $datas = array();
 
-if (!(exec('/sbin/ifconfig | awk -F "  " \'{print $1}\' | sed -e \'/^$/d\'', $getInterfaces)))
+if (!(exec('/sbin/ifconfig |awk -F \'[/  |: ]\' \'{print $1}\' |sed -e \'/^$/d\'', $getInterfaces)))
 {
     $datas[] = array('interface' => 'N.A', 'ip' => 'N.A');
 }
diff --git a/libs/services.php b/libs/services.php
index eaedf3a..9b83acb 100644
--- a/libs/services.php
+++ b/libs/services.php
@@ -9,8 +9,8 @@ if (count($Config->get('services')) > 0)
 {
     foreach ($Config->get('services') as $service)
     {
-        $ip = 'localhost';
-        $sock = @fsockopen($ip, $service['port'], $num, $error, 5);
+        $host = $service['host'];
+        $sock = @fsockopen($host, $service['port'], $num, $error, 5);
         
         if ($sock)
         {
diff --git a/libs/swap.php b/libs/swap.php
index 93bd323..522660b 100644
--- a/libs/swap.php
+++ b/libs/swap.php
@@ -1,7 +1,6 @@
 <?php
 require 'Utils/Misc.class.php';
 
-
 // Free
 if (!($free = shell_exec('grep SwapFree /proc/meminfo | awk \'{print $2}\'')))
 {
diff --git a/libs/system.php b/libs/system.php
index 3e4ba1a..b814432 100644
--- a/libs/system.php
+++ b/libs/system.php
@@ -7,7 +7,22 @@ $hostname = php_uname('n');
 // OS
 if (!($os = shell_exec('/usr/bin/lsb_release -ds')))
 {
-    $os = 'N.A';
+    if (!($os = shell_exec('cat /etc/fedora-release')))
+    {
+        if (!($os = shell_exec('cat /etc/redhat-release')))
+        {
+            if (!($os = shell_exec('cat /etc/mandriva-release')))
+            {
+                if (!($os = shell_exec('cat /etc/SuSE-release')))
+                {
+                    if (!($os = shell_exec('cat /etc/centos-release')))
+                    {
+                        $os = 'N.A';
+                    }
+                }
+            }
+        }
+    }
 }
 
 // Kernel
