Common questions 

How do I install and configure Nagios XI on CentOS 7?

Jeremy Anderson

How do I install and configure Nagios XI on CentOS 7?

1 ON CENTOS, RED HAT & FEDORA. INSTALL NAGIOS 4.0. 7 ON CENTOS/RHEL….This article will help you to install Nagios XI on CentOS/RHEL.

  1. Step 1: Prerequisites. We have to installed all require packages first.
  2. Step 2: Download Nagios XI.
  3. Step 3: Compile and Install Nagios XI.
  4. Step 4: Access Nagios XI.
  5. Step 5: Login into Nagios XI.

How install Nagios 4 and monitor your server on CentOS 7?

How To Install Nagios 4 and Monitor Your Servers on CentOS 7

  1. Introduction.
  2. Install Build Dependencies.
  3. Create Nagios User and Group.
  4. Install Nagios Core.
  5. Install Nagios Plugins.
  6. Install NRPE.
  7. Organize Nagios Configuration.
  8. Configure Nagios Contacts.

Where are Nagios config files?

The main configuration file is usually named nagios. cfg and located in the /usr/local/nagios/etc/ directory.

What is agent in Nagios?

Nagios agents It allows for monitoring of resources such as disk usage, system load or the number of users currently logged in. Nagios periodically polls the agent on remote system using the check_nrpe plugin. NRPE allows you to remotely execute Nagios plugins on other Linux/Unix machines.

How do I add a host in Nagios for monitoring CentOS 7?

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.

Which OS can Nagios be installed on?

Manual Installation Note: Nagios XI can only be installed to RHEL, CentOS, and Oracle Linux 7 and 8, Debian 9 & 10, and Ubuntu 16.04, 18.04 and 20.04.

How do I start Nagios on CentOS 7?

How to Install Nagios Core on CentOS 7

  1. Step 1: Connect to your server.
  2. Step 2: Install LAMP.
  3. Step 3: Install the required packages.
  4. Step 4: Download and Install Nagios Core.
  5. Step 5: Create nagiosadmin User Account.
  6. Step 6: Install Nagios Plugins.
  7. Step 7: Accessing Nagios Core.

What is Nagios configuration?

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.

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.

How use Nagios Linux?