O'Reilly logo

Nagios, 2nd Edition by Wolfgang Barth

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

19.2 Graphs for the Web with Nagiosgraph

With the program Nagiosgraph from http://nagiosgraph.sf.net/, performance data supplied by plugins can be displayed graphically in a Web interface in chronological form. The software consists of two Perl scripts. The script insert.pl writes the Nagios performance data to a round-robin database, a ring buffer in which the newest data overwrites the oldest.[194] The advantage of this is the small amount of space required, which can be defined beforehand.

The trick consists of saving data in various resolutions, depending on its age: older data with a lower resolution (e.g., one measurement value per day), current data with a high resolution (e.g., one measurement every five minutes). When setting up the database, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required