The author implemented the device which is monitoring the server named “xymon” and indicating a particular signal depending on the current server status.
All of the services monitored are important, but author wanted a separate indicator to simply show the overall health of the most critical systems. Furthermore, Author came up with the following criteria:
1. We wanted this visible to everyone whether or not they were near a web browser or even a monitor.
2. We wanted it to preserve the “red/yellow/green” status’s xymon uses.
3. We wanted it to be stand alone, not requiring a separate computer (we already have one running a widescreen monitor elsewhere for that).
4. We wanted it to look good and be fun.
After a little brainstorming, author decided a stoplight equipped with an ethernet enabled arduino would do the trick and author set out to build it.
So, using the stoplight had to inform the state of the server.
Original Source : http://www.instructables.com/id/Arduino-stoplight-web-server/?ALLSTEPS
Tags : 201205, arduino ethernet shield, W5100, WIZnet, xymon, server system monitoring
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