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Nagios Thermometer

Nagios Thermometer

Aug 17, 2013

Nagios is an open source IT Infrastructure monitoring system. It is mature, widely used, supported, flexible and extensible. Perhaps the industry standard. Nagios at Home I use Nagios on my LAN at home to monitor Remote virtual machines that host my personal blogs business sites Status of Raid arrays Linux Microsoft Server 2008r2 Disk space availability on multiMedia server Asterisk PBX status for phone(s) Temperature at home indoors outdoors … Here is my main ‘rack’ at home. NerdDoro ePhidgety – Phidgets, MySQL C++ Server 2008R2 Fedora fc.16 – LAMP stack CentOS Asterisk (retiring PBX) Wireless phone base station Grandstream HT502 ATA Monitor/Keyboard 4 way switch RaspBerryPi (new Asterisk PBX) UPS Future CNC project likes extra slot in monitor switch. Note NEMA stepper motors. Display of Nagios monitored services including temperature from two separate sensors shown in this status screen. (click image to enlarge) The yellow highlighted line indicating warning, and the line above are temperature readings. The boxes to the left of each with the diagonal red line indicate not to send alerts. Nagios provides me email updates like this one when my Asterisk PBX, pisterisk, went down. Subject: ** PROBLEM Host Alert: pisterisk is DOWN ** ***** Nagios ***** Notification Type: PROBLEM Host: pisterisk State: DOWN Address: 192.168.1.220 Info: CRITICAL - Host Unreachable (192.168.1.220) Date/Time: Mon Aug 19 11:01:12 MST 2013 And this email informing me that the problem is resolved, that pisterisk is back up: Subject: ** RECOVERY Host Alert: pisterisk is UP ** ***** Nagios ***** Notification Type: RECOVERY Host: pisterisk State: UP Address: 192.168.1.220 Info: PING OK - Packet loss = 0%, RTA = 0.68 ms Date/Time: Mon Aug 19 11:03:02 MST 2013 Nagios Thermometer This article assumes you have a working Nagios system and have some familiarity with Nagios configuration. This blog post will explain how I monitor temperature with Nagios using a hardware sensor compatible with my HomeAmation MS Windows 8 and Windows Phone 8 projects. Previously I’ve published a couple projects that can deliver XML suitable for this Nagios plugin. A netduino temperature sensor can be found on gitHub as HomeAmationNetDuino and my Parallax Propeller project NerdDoro source is available on github as nerdDoro it produces similar...

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