function main()
{
$util = new Util();
$uptime = $util->execute('cat /proc/uptime');
$uptime = preg_split("/[\\s]+/", $uptime[0]);
$uptime = $uptime[0];
$uptime = (int) ($uptime / 86400) . " day(s) " . (int) ($uptime / 3600) . " hour(s) " . floor($uptime / 60 % 60) . " minute(s) " . floor($uptime % 60) . " second(s)";
$body = '
<div class="container-fluid" style="margin:60px;">
<div class="row-fluid show-grid">
<div class="span6">
<div class="well" style="font-size:14px; height:450px; overflow-x:auto; overflow-y:auto;">
<h2>Server Information</h2>
<br>Operating System: <span style="color:#08C;">' . php_uname('s') . ' ' . php_uname('r') . '</span><br><br>
Platform: <span style="color:#08C;">' . php_uname('m') . '</span><br><br>
Up Time: <span style="color:#08C;">' . $uptime . '</span><br><br>
Name: <span style="color:#08C;">' . php_uname('n') . '</span><br><br>
Document Root: <span style="color:#08C;">' . $_SERVER['DOCUMENT_ROOT'] . '</span><br><br>
Server Admin: <span style="color:#08C;">' . $_SERVER['SERVER_ADMIN'] . '</span><br><br>
Id:<br><span style="color:#08C;">' . implode('', $util->execute('id')) . '</span><br><br>
Uname -a:<br><span style="color:#08C;">' . implode('', $util->execute('uname -a')) . '</span><br><br>
</div>
</div>
<div class="span6">
<div class="well" style="height:450px; overflow-x:auto; overflow-y:auto;">
<h2>Disk</h2>
<span style="color:#08C;">' . $this->getFixedFormat($util->fixFormat($util->execute('df -h')), 5, 50) . '</span>
</div>
</div>
</div>
<div class="row-fluid show-grid">
<div class="span12">
<h2>Running Process</h2>
<div class="well" style="height:450px; overflow-x:auto; overflow-y:auto;">
<span style="color:#08C; ">' . $this->getFixedFormat($util->fixFormat($util->execute('ps aux')), 10, 20) . '</span><br><br>
</div>
</div>
</div>
</div>
';
return $body;
}