How do I find my Nagios config file?

How do I find my Nagios config file?

The main configuration file is usually named nagios. cfg and located in the /usr/local/nagios/etc/ directory. Below you will find descriptions of each main Nagios configuration file option… This variable specifies where Nagios should create its main log file.

What is config file of Nagios?

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. dat file.

How do I know what version of Nagios I have?

You can easily check if you have the latest version from within Nagios XI by selecting the Check for Updates link located at the bottom left of the Nagios XI interface.

How configure Nagios on Linux?

1. Step 1: Install Required Dependencies.
2. Step 2: Create Nagios User and Group.
3. Step 3: Download Nagios Core 4.4.
4. Step 4: Extract Nagios Core and its Plugins.
5. Step 5: Customizing Nagios Configuration.
6. Step 6: Install and Configure Web Interface for Nagios.
7. Step 7: Compile and Install Nagios Plugin.

Where are Nagios commands located?

You can define the commands in the file /usr/local/nagios/etc/objects/commands.

How can I tell if Nagios is running on Linux?

As opposed to just checking that a web server is running on the classroom PCs, you could also check that t he nagios3 service is available, by requesting the /nagios3/ path. This means passing extra options to the check_http plugin.

What are Nagios checks?

The check logic inside Nagios process starts the Active check. To monitor hosts and services running on remote machines, Nagios executes plugins and tells what information to collect. Plugin then gets executed on the remote machine where is collects the required information and sends then back to Nagios daemon.

How do I access Nagios dashboard?

Step 4 — Accessing the Nagios Web Interface Open your favorite web browser, and go to your Nagios server by visiting http:// nagios_server_public_ip /nagios . Enter the login credentials for the web interface in the popup that appears. Use nagiosadmin for the username, and the password you created for that user.

Where is nagios installed?

Nagios and its plugins will be installed under /usr/local/nagios directory. Nagios will be configured to monitor few services of your local machine (Disk Usage, CPU Load, Current Users, Total Processes, etc.)

Where are nagios commands located?

How do I add a device to Nagios?

So if we want to insert these devices into Nagios, then we have to enter them using the Linux CLI….Important Folder in Nagios.

Folder	Description
etc	Contains configuration files for Nagios Core
include	Contains external calls of nagios cgi files

How do I monitor a Linux server in Nagios?

In order to monitor the server using Nagios Core, you will need to add the host and services to nagios server from the command line. Now login into your Nagios Server from the command line you will need to do following steps: Install NRPE Plugin. Add the Linux Server to the host file.

How do I check my Nagios plugins?

Test Your Plugin From The Command Line This is easiest to test using a terminal session. Plugins are located in the /usr/local/nagios/libexec directory.

What are Nagios passive checks?

Unlike with active host checks, Nagios does not (by default) attempt to determine whether or host is DOWN or UNREACHABLE with passive checks. Rather, Nagios takes the passive check result to be the actual state the host is in and doesn’t try to determine the host’s actual state using the reachability logic.

What is OID in Nagios?

SNMP (Simple Network Management Protocol) is a network protocol designed for monitoring network-attached devices. It uses OIDs (Object IDentifiers) for defining the information, known as MIBs (Management Information Base), that can be monitored.

How do I connect to Nagios?

1. Step 1 — Installing Nagios 4.
2. Step 2 — Installing the Nagios Plugins.
3. Step 3 — Installing the check_nrpe Plugin.
4. Step 4 — Configuring Nagios.
5. Step 5 — Accessing the Nagios Web Interface.
6. Step 6 — Installing Nagios Plugins and NRPE Daemon on a Host.
7. Step 7 — Monitoring Hosts with Nagios.

How do I run Nagios?

Starting Nagios Core

1. Init Script: The easiest way to start the Nagios Core daemon is by using the init script like so: /etc/rc.d/init.d/nagios start.
2. Manually: You can start the Nagios daemon manually with the -d command line option like so: /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg.

How do I change my Nagios host IP address?

Type “sudo ifconfig eth0 192.168. 1.100 mask 255.255. 255.0,” replacing the “192.168. 1.100” with the IP address assigned to the computer and “255.255.