I using this plugin : <a href="http://exchange.nagios.org/directory/Plugins/Log-Files/check_logfiles/details">http://exchange.nagios.org/directory/Plugins/Log-Files/check_logfiles/details</a><div><br></div><div>I want to monitor apache log using this plugin. Say if there more than 5 5xx errors in my apache log I need to trigger an alert.</div>
<div><br></div><div>I'm very new to Nagios and I wonder how do I specify this constraint! </div><div><br></div><div>Can anyone help me out?</div><div><br></div><div>Thanks in advance.</div>