librenms-librenms/includes/discovery/mempools/netonix.inc.php

<?php
  /*
   * LibreNMS module for Netonix
   *
   * Copyright (c) 2016 Tony Murray <murraytony@gmail.com>
   *
   * This program is free software: you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the
   * Free Software Foundation, either version 3 of the License, or (at your
   * option) any later version.  Please see LICENSE.txt at the top level of
   * the source code distribution for details.
   */

if ($device['os'] == 'netonix') {
    echo 'NETONIX : ';

    $free = str_replace('"', "", snmp_get($device, 'UCD-SNMP-MIB::memTotalFree.0', '-OvQU'));

    if (is_numeric($free)) {
        discover_mempool($valid_mempool, $device, 0, 'netonix', 'Memory', '1024');
    }
}