Where do I install Nrpe?

Where do I install Nrpe?

How To Install NRPE on CentOS/RHEL 7/6

  • Step 1 – Install EPEL Repository. NRPE packages and plugins are available under EPEL yum repository, Enable EPEL repository using one of below commands.
  • Step 2 – Install NRPE and Nrpe-plugins.
  • Step 3 – Configure NRPE.
  • Step 4 – Start NRPE Service.
  • Step 5 – Test NRPE from Nagios Server.

How do I set up Nrpe?

Configuration

  1. Add nrpe port to /etc/services – Add NRPE service to /etc/services and make sure port 5666 (default) is open on Firewall: # echo “nrpe 5666/tcp # NRPE” >> /etc/services.
  2. Make necessary changes to nrpe. conf – Edit nrpe.
  3. Start xinetd/nrpe and enable them at system boot:

How does Nrpe work?

How does NRPE work?

  • Nagios will execute the check_nrpe plugin and tell it what services need to be checked.
  • The check_nrpe plugin contacts the NRPE daemon on the remote host.
  • The NRPE daemon runs the appropriate Nagios plugin to check the service or resource.

Which OS can Nagios be installed on?

The Nagios Cross Platform Agent is an open source project maintained by Nagios Enterprises. NCPA installs on Windows, Linux, and Mac OS X.

Where do I put Nagios plugins?

Plugins are located in the /usr/local/nagios/libexec directory.

What port does Nrpe use?

port 5666
By default, the NRPE daemon listens on TCP port 5666, whether it’s configured to do SSL or not.

What is Nrpe in Linux?

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 are Nrpe plugins?

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.

What are the prerequisites for installing Nagios?

Make sure the server you install Nagios XI on meets the requirements below….Minimum system specs:

  • 1 GHz Processor.
  • 1 GB RAM.
  • 8 GB HD.
  • PHP Version: 5.3, 5.4, 5.5, 5.6 | 7.0, 7.1, 7.2 (XI 5.5+)

What language are Nagios plugins written in?

Perl is a programming language that is most commonly used in scripts designed for system administration or applications. It can also be used to develop web applications. Several Nagios plugins are written in Perl and there are components of various Nagios products that are written in Perl.

How do I deploy Nagios?

  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 can I install the check nrpe plugin?

If you only wanted to install the check_nrpe plugin, refer to the section at the bottom of this KB article as there a lot of steps that can be skipped. Installing only the plugin is usually done on your Nagios server and workers. This installs the config files.

Is it possible to install NRPE on CentOS?

The following KB article describes how to install and configure NRPE from source for use with Nagios Core/XI. The linux-nrpe-agent that ships with Nagios XI is only supported on CentOS, RHEL, OpenSUSE, SLES, Ubuntu, and Debian.

Where is the NRPE configuration file in RHEL?

The main configuration file will be /etc/nagios/nrpe.cfg, and the default included directory is /etc/nrpe.d/. In case of RHEL, the nrpe package is not in the default repositories. You’ll need to enable the EPEL repository in order to install packages from there.

What kind of software do I need for NRPE?

Installing the required software is simple. We will cover Ubuntu, openSUSE, Fedora and RHEL. On Ubuntu, this process is a one-liner. The nrpe daemon’s package, called nagios-nrpe-server, is in the default repositories.