How do I monitor a Windows server with Nagios?
How do I monitor a Windows server with Nagios?
To monitor Windows Machines you will need to follow several steps and they are:
- Install NSClient++ addon on the Windows Machine.
- Configure Nagios Server for monitoring Windows Machine.
- Add new host and service definitions for Windows machine monitoring.
- Restart the Nagios Service.
How do I monitor a Nagios remote 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 Nrpe in Nagios?
NRPE. Nagios Remote Plugin Executor (NRPE) is a Nagios agent that allows remote system monitoring using scripts that are hosted on the remote systems. It allows for monitoring of resources such as disk usage, system load or the number of users currently logged in.
How does Nagios Nrpe work?
What NRPE does is run checks on a system remote from the central Nagios server, allowing Nagios to query it as if the checks were run locally. In essence, Nagios talks to NRPE, asks it to run a specific check, waits for the response, and logs it along with everything else it watches.
How do I monitor Nagios?
The complete process to install Nagios can be summarized in four steps:
- Install Required Packages In The Monitoring Server.
- Install Nagios Core, Nagios Plugins And NRPE (Nagios Remote Plugin Executor)
- Set Nagios Password To Access The Web Interface.
- Install NRPE In Client.
What is active check in Nagios?
Active checks are initiated by the check logic in the Nagios daemon. When Nagios needs to check the status of a host or service it will execute a plugin and pass it information about what needs to be checked.
How do I monitor memory CPU and disk on Linux using Nrpe and Nagios?
Monitor CPU Load
- A Nagios plugin check_load is available to check current CPU load on the system. Edit NRPE configuration file and check for the following entry.
- As per the above screenshot, Nagios server sent NRPE requests to defined host (192.168.
- A Nagios plugin is available to monitor memory uses on Linux system.
Why is Nrpe used?
The NRPE addon is designed to allow you to execute Nagios plugins on remote Linux/Unix machines. The main reason for doing this is to allow Nagios to monitor “local” resources (like CPU load, memory usage, etc.) on remote machines.
What all can Nagios monitor infrastructure?
Nagios XI provides monitoring of all mission-critical infrastructure components including applications, services, operating systems, network protocols, systems metrics, and network infrastructure.
How does Nagios monitoring tool work?
Nagios runs on a server, usually as a daemon or a service. It periodically runs plugins residing on the same server, they contact hosts or servers on your network or on the internet. One can view the status information using the web interface. You can also receive email or SMS notifications if something happens.
What is Nrpe Linux?
NRPE allows you to remotely execute Nagios plugins on other Linux/Unix machines. This allows you to monitor remote machine metrics (disk usage, CPU load, etc.). NRPE can also communicate with some of the Windows agent addons, so you can execute scripts and check metrics on remote Windows machines as well.
How to monitor disk usage on remote host using Nagios?
Nagios will execute check_nrpe command on nagios-server and request it to monitor disk usage on remote host using check_disk command. The check_nrpe on the nagios-server will contact the NRPE daemon on remote host and request it to execute the check_disk on remote host.
What is NRPE check_users and check_LOAD command?
The nrpe.cfg file located on the remote host contains the commands that are needed to check the services on the remote host. By default the nrpe.cfg comes with few standard check commands as samples. check_users and check_load are shown below as an example.
What does -W and -C mean in Nagios?
In all the check commands, the “-w” stands for “Warning” and “-c” stands for “Critical”. for e.g. in the check_disk command below, if the available disk space gets to 20% of less, nagios will send warning message. If it gets to 10% or less, nagios will send critical message.
