How can I check my Nagios status?

How can I check my Nagios status?

To identify the status of a monitored service, Nagios runs a check plugin on it. Nagios can tell what the status of the service is by reading the exit code of the check. Nagios understands the following exit codes: 0 – Service is OK.

Where are Nagios checks stored?

/etc/nagios : on the remote host contains the nagios-nrpe-server configuration files. /usr/lib/nagios/plugins/ : where the check binaries are stored.

How can I tell if Nagios is running on Linux?

This is a plugin for Nagios wich you can use to check if a linux service is running. This plugin uses systemctl is-active command, please check you have systemd….Linux Check Service.

File	Description
check_service	check_service script

How Nagios monitor Linux server?

On Nagios Monitoring Server Here you will need to do the following things: Install the check_nrpe plugin. Create a Nagios command definition using the check_nrpe plugin. Create Nagios host and add service definitions for monitoring the remote Linux host.

What is Linux monitoring tool?

Linux Top command is a performance monitoring program that is used frequently by many system administrators to monitor Linux performance and it is available under many Linux/Unix-like operating systems.

What is Nagios passive check?

Passive Check Overview Instead, Nagios waits for external devices / applications to submit a check result for a particular service. Passive checks are commonly used for integrating security alerts and event log data into Nagios, and are also used in distributed monitoring environments.

How do I monitor remote Linux systems with Nagios monitoring tool?

Please use the below instructions to install Nagios Plugins and NRPE daemon on the Remote Linux Host.

1. Step 1: Install Required Dependencies.
2. Step 2: Create Nagios User.
3. Step 3: Install the Nagios Plugins.
4. Step 4: Extract Nagios Plugins.
5. Step 5: Compile and Install Nagios Plugins.
6. Step 6: Install Xinetd.

How to check the free disk in Nagios?

A Nagios plugin check_disk is available to check disk status. Edit NRPE configuration file and add the following entry to check disk /dev/sda1. -w 20% – Sent a warning message if the free disk is less than 20% of the total disk. -c 10% – Sent a critical message if the free disk is less than 10% of the total disk.

How to check memory usage in Nagios on CentOS?

You can download the check_mem.pl and configure with NRPE daemon. Download check_mem.pl using the following command and copy it to Nagios plugins directory. On CentOS/RHEL 64-bit systems this local will be /usr/lib64/nagios/plugins. Edit NRPE configuration file and add a command to check memory uses like below.

Where can I find check mem.pl in Nagios?

Download check_mem.pl using the following command and copy it to Nagios plugins directory. On CentOS/RHEL 64-bit systems this local will be /usr/lib64/nagios/plugins. Edit NRPE configuration file and add a command to check memory uses like below. This will not calculate the swap memory in results.

How does NPCA check for free disk space?

NPCA includes a disk module. Using the Nagios Plugin Threshold standards, the thresholds are triggered if the free space is less than the supplied value. NSClient++ includes a disk module. The checks only support percentage values for used disk space.