librenms-librenms/html/pages/device/logs/syslog.inc.php

  <hr />

  <form method="post" action="">
  <label><strong>Search</strong>
    <input type="text" name="string" id="string" value="<?php echo $_POST['string']; ?>" />
  </label>
  <label>
    <strong>Program</strong>
    <select name="program" id="program">
      <option value="">All Programs</option>
        <?php
        $datas = dbFetchRows('SELECT `program` FROM `syslog` WHERE device_id = ? GROUP BY `program` ORDER BY `program`', array($device['device_id']));
        foreach ($datas as $data) {
            echo "<option value='".$data['program']."'";
            if ($data['program'] == $_POST['program']) {
                echo 'selected';
            }

            echo '>'.$data['program'].'</option>';
        }
        ?>
    </select>
  </label>
  <input class=submit type=submit value=Search>
</form>

<?php
 print_optionbar_end();

$param = array($device['device_id']);

if ($_POST['string']) {
    $where   = ' AND msg LIKE ?';
    $param[] = '%'.$_POST['string'].'%';
}

if ($_POST['program']) {
    $where  .= ' AND program = ?';
    $param[] = $_POST['program'];
}

$sql  = "SELECT *, DATE_FORMAT(timestamp, '".$config['dateformat']['mysql']['compact']."') AS date from syslog WHERE device_id = ? $where";
$sql .= ' ORDER BY timestamp DESC LIMIT 1000';
echo '      <div class="panel panel-default panel-condensed">
              <div class="panel-heading">
                <strong>Syslog entries</strong>
              </div>
              <table class="table table-hover table-condensed table-striped">';
foreach (dbFetchRows($sql, $param) as $entry) {
    unset($syslog_output);
    include 'includes/print-syslog.inc.php';
    echo $syslog_output;
}

echo '        </table>
            </div>';
$pagetitle[] = 'Syslog';