Which command we used to edit Nagios configuration file?

Which command we used to edit Nagios configuration file?

The main configuration file is usually named nagios. cfg and located in the /usr/local/nagios/etc/ directory….Main Configuration File Options.

Format:	command_file=<file_name>
Example:	command_file=/usr/local/nagios/var/rw/nagios.cmd

What is Nagios configuration file?

cfg. This is the main configuration file of Nagios core. This file contains the location of log file of Nagios, hosts and services state update interval, lock file and status. It has path of all the individual object config files like commands, contacts, templates etc. …

Which file is used to store the status downtime and comment information before Nagios shut down?

You should run tmpwatch, or a similiar utility, on this directory occassionally to delete files older than 24 hours. This is the file that Nagios uses to store the current status, comment, and downtime information.

How do I change my Nagios host IP address?

Re: NNA/Nagios XI – Changing NNA Host IP in Nagios. You can change the IP under Configure > Core Config Manager > Monitoring > Hosts, searching for the NNA host and then editing it. The IP or hostname will be found on the Common Settings tab. Make the change, save changes, and then apply and you should be good to go.

Can you tell me why I should use Nagios?

Nagios helps to monitor applications, networks, and infrastructures. It monitors the entire thing and immediately reports in case of failure. In a nutshell, it helps the DevOps professionals to track down and resolve the problem in the early stages before it can cause any serious damage to the organization.

What is the difference between active and passive check in Nagios?

The major difference between active and passive checks is that active checks are initiated and performed by Nagios, while passive checks are performed by external applications.

What is Uncommenting HTML?

Commenting is a way that you can leave comments for other developers within your code without affecting the resulting output that is displayed to the end user. Commenting is also a convenient way to make code inactive without having to delete it entirely.

What to do with a configuration file in Nagios?

This directive is used to specify an object configuration file containing object definitions that Nagios should use for monitoring. Object configuration files contain definitions for hosts, host groups, contacts, contact groups, services, commands, etc.

How to add hosts to Nagios server for monitoring?

Open main Nagios configuration file and insert the line, cfg_dir=/usr/local/nagios/etc/objects/kifarunix-demo under the OBJECT CONFIGURATION FILE (S) section. # OBJECT CONFIGURATION FILE (S) # These are the object configuration files in which you define hosts, # host groups, contacts, contact groups, services, etc.

How to define host in Nagios object definition?

define host{ host_name host_name alias alias display_name display_name address address

What to do when you get error message on Nagios?

If you get any error messages you’ll need to go and edit your configuration files to remedy the problem. Warning messages can generally be safely ignored, since they are only recommendations and not requirements. Once you’ve verified your configuration files and fixed any errors you can go ahead and (re)start Nagios .