$ pear channel-discover pearhub.org
$ pear install pearhub/healthety

require 'Healthety.php';

$load_average = new WorkerSettings();
$load_average->template('system')
			 ->name('load_average')
		  	 ->interval(1)
		  	 ->value('w | head -n1 | cut -f4 -d":" | cut -f2 -d" "');

$memory = new WorkerSettings();
$memory->template('system')
	   ->name('memory')
	   ->interval(1)
	   ->value('top -l 1 -n 0 -F -i 100 | grep "PhysMem" | cut -f4 -d"," | cut -d"M" -f1 | sed "s/ //g"');

$healthety = new Healthety('127.0.0.1', '41234');
$healthety->spawnWorker($load_average)
		  ->spawnWorker($memory)
		  ->run();