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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...

Walker; 2013 National microMedic Contest Entry

Walker; 2013 National microMedic Contest Entry

Jul 31, 2013

My entry to the Parallax, Inc. 2013 National microMedic Contest. Walker is a Windows Phone 8 application for activity tracking. It uses geoLocation to record GPS data. It creates a .gpx file and saves to SkyDrive. Sensor data created from a Parallax propeller with temperature, humidity and heart rate sensor data is sent to Walker via bluetooth. This sensor data along with summary activity data is persisted to Microsoft Windows Azure cloud storage. The .gpx file association in the windows phone allows a suitable gpx viewer to be launched to view the activity. This .gpx file can be visualized on many sites around the internet. For instance here. Along with my Right Weight Windows phone 8 and/or Windows 8 applications I use Walker to track my physical activities along with environmental and heart rate data as well as weight loss (or gain). Walker Sensor Board The Walker Sensor board is built on a Parallax Proto Board. It consists of a Parallax Propeller MPU, Sensirion Temperature and Humidity sensor and a Polar heart rate sensor receiver. The bluetooth connectivity is accomplished with an RN41-XV in XBee form factor on an XBee explorer. Sensor reading are updated every fifteen seconds. See source code for theory of operation. (click on any image to enlarge) Schematic Source code (available under MIT license) Walker-BluetoothSend Parallax .spin code for sensor data bluetooth send. Walker-Wp8 Microsoft Windows Phone 8 activity tracker. Windows phone application, Walker, screen shots Activity, ready to start Activity, ready to stop Debug log Previous activities from Azure cloud storage, displaying activity date and distance traveled. Map from .gpx file. Normally would have an activity track of multiple geo locations. This is a single location. Settings page allows chosing bluetooth, .gpx launch and/or Azure cloud persistence. .gpx file association launch of GPXviewer. Resources used in production and documentation of this project Schematic created with Fritzing Windows phone tiles created with PerfectTile GPS Exchange format Windows phone app uses these projects MVVM Light toolkit Fody Json.net Windows Phone...

Getting Over Building Bridges

Getting Over Building Bridges

May 13, 2013

At the Infuse -Open Mic MAY 12 Every SECOND Sundy event in Phoenix, Arizona I read the following. Thank you Lalli for hosting and snapping an image of me with my camera. Sure hope I can share this in Spokane, Washington at the Broken mic where I read my first poem in public. Bummed that I can’t hem and haw to introduce my latent flaw so here I go with this tale lagin soon be waggin in a wagon pulled by the dragOnIng.A breath of fresh air into my soul by my writing, with my reading, granted by your listening. Building bridges to get on over it, is a good thing when there’s something to be getting over, something needs your attention, something in your process needs the attention of your reflection. But I’m finding in this time I need to be getting over building bridges to just be getting along on the roads that lay past those reflections, those bridges to get on over.l don’t need to tax myself to build another bridge I just need to be on the road where and when the road might be. Netflix streaming “Hustle and Flow” I’m sitting paralyzed wondering where to go. Next. Next vexing me until I Think it’s about time I quit whining bout building bridges to get over it and start getting over building bridges for my wondering what wound I’m crying about! I need to lay some concrete foundation for this bridge, I don’t want to build forever never. A nice little walk on down the road. May as well enjoy the flow, I ain’t dancing the Hustle no more. Apparently I ain’t that hurting, gota escape this winding whining. Idle too long gone tharn in the headlights of the inevitable reaping, don’t need to be running with Scythe in hand ‘neither. Free styling for my next line it’ don’t take me fifty cents to usher in the realization that I’m not Marshaled in a haystack.I will find that pin to pick the lock into the future. Getting’ over building bridges. Enthused by some direction, Infused by open...

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