<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> <meta name=Generator content="Microsoft Word 11 (filtered medium)"> <style>  </style> </head> <body lang=EN-US link=blue vlink=purple> <div class=Section1> Hi Everyone<o:p></o:p> <o:p> </o:p> Maybe someone can assist me, but this may be a more linux specific question than Nagios even though related to Nagios.<o:p></o:p> <o:p> </o:p> I need to monitor the memory usage in percentage on Nagios and would like to rather write my own scripts for this.<o:p></o:p> <o:p> </o:p> <o:p> </o:p> I know there are snmp versions of this to do the job for me, however I do not want to complicate the systems with too many clients running on them.<o:p></o:p> <o:p> </o:p> Currently we are using the normal nrpe to connect to the systems and run scripts remotely, however we do not have one to monitor the memory.<o:p></o:p> <o:p> </o:p> On the web there are a lot of references to the snmp commands but as all the systems are production and we might be having a couple of upgrades soon, I would like to rather keep it simple and only run one client on it for all Nagios connections.<o:p></o:p> <o:p> </o:p> <o:p> </o:p> My question is this… I can use the command free to get the amount of memory , used, free etc… <o:p></o:p> <o:p> </o:p> How can I write this into a script to display as percentages… is there another command I can use or maybe an option that I do not know about?<o:p></o:p> <o:p> </o:p> tx<o:p></o:p> </div> *** Disclaimer *** The information contained in this e-mail is confidential and legally privileged and is intended solely for the addressee and to others who have the authority to receive it. Access to this e-mail by anyone else is unauthorized and as such, any disclosure, copying, distribution or any action taken or omitted in reliance on it is unlawful. If you have received this e-mail in error, please notify the sender immediately. The views expressed in this e-mail are the views of the individual sender and should in no way be construed as the views of the Company. The Company is not liable to ensure that outgoing e-mails are virus-free. The Company is not liable, should information or data, for whatever reason, be corrupted or fail to reach its intended addressee. The Company is not liable for any loss or damage of whatsoever nature and howsoever arising resulting from the opening or the use of the information in this e-mail, including its attachments and links. The sender of this e-mail is subject to and bound by the terms and conditions of Company’s Electronic Communications Usage Policy. </body> </html>