Chapter 18. NagVis
NagVis[185] is an addon for Nagios that displays host and service states against a background image selected by the user. This must be available in the PNG format; the choice is yours whether you use a map, a diagram of your own system documentation, a photo of the server room, or a schematic diagram of the system environment as a background, as shown in Figure 18-1.
Via the Web interface, you can place objects wherever you want on the background. NagVis displays different icons, depending on the state of the object: red for the CRITICAL state, yellow for WARNING, green for OK, and a question mark on a gray background for UNKNOWN. If an acknowledgment was set, this is indicated by a green button with a picture of a worker on ...
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