Nagios Support Forum

harsha.s.aryan wrote: is there any default nagios graph which i can get it.

apart from nagiosgraph

pnp4nagios is very good

Yes, many people use pnp4nagios, but keep in mind that is not a Nagios product. As with nagiosgraph, we'll certainly help with installation but if at some point a problem with the 3rd party software becomes evident, you'll have to go to them for support.
https://docs.pnp4nagios.org/

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