How to Install Nagios on MXLinux Latest

Nagios is a powerful and widely used open-source IT infrastructure monitoring tool that helps organizations to identify and resolve IT infrastructure problems before they affect their operations. In this tutorial, we will show you how to install Nagios on MXLinux Latest.

Prerequisites

Before you proceed with this tutorial, ensure that you have the following:

  • A server running the latest version of MXLinux
  • A non-root user with sudo privileges
  • A stable internet connection

Step 1: Install the Required Dependencies

Before installing Nagios, you need to install the required dependencies. Use the following command to install them:

sudo apt-get update

sudo apt-get install -y autoconf gcc libc6 make wget unzip apache2 php libapache2-mod-php7.3 libgd-dev

Step 2: Download and Install Nagios Core

To download and install Nagios Core, follow these steps:

  1. Download the latest version of Nagios Core from the official Nagios website using the following command:

wget https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.4.6.tar.gz

  1. Extract the downloaded file using the following command:

tar -zxvf nagios-4.4.6.tar.gz

  1. Change to the Nagios source directory using the following command:

cd nagios-4.4.6

  1. Configure the installation by running the following command:

./configure --with-httpd-conf=/etc/apache2/sites-enabled

  1. Compile and install Nagios by running the following commands:

make all

sudo make install

  1. Verify the installation by running the following command:

sudo make install-init

Step 3: Install Nagios Plugins

To install Nagios Plugins, follow these steps:

  1. Download the latest version of Nagios Plugins from the official Nagios website using the following command:

wget https://nagios-plugins.org/download/nagios-plugins-2.3.3.tar.gz

  1. Extract the downloaded file using the following command:

tar -zxvf nagios-plugins-2.3.3.tar.gz

  1. Change to the directory where the Nagios Plugins source files were extracted:

cd nagios-plugins-2.3.3/

  1. Configure the installation by running the following command:

./configure --with-nagios-user=nagios --with-nagios-group=nagios

  1. Compile and install Nagios Plugins by running the following commands:

make

sudo make install

  1. Verify the installation by running the following command:

sudo make install-root

Step 4: Configure Apache

To configure Apache, follow these steps:

  1. Open the Apache configuration file with the following command:

sudo nano /etc/apache2/sites-enabled/000-default.conf

  1. Add the following lines at the end of the file:
ScriptAlias /cgi-bin/nagios/cgi /usr/local/nagios/sbin/
Options ExecCGI
AllowOverride None
Order allow,deny
Allow from all
AuthName "Nagios Access"
AuthType Basic
AuthUserFile /usr/local/nagios/etc/htpasswd.users
Require valid-user

  1. Save and close the file by pressing CTRL + X, then Y, then ENTER.

  2. Create an Apache user by running the following command:

sudo htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin

  1. Enter a password for the new user when prompted.

  2. Restart Apache for the changes to take effect using the following commands:

sudo systemctl restart apache2

Step 5: Start the Nagios Service

To start the Nagios service, follow these steps:

  1. Start the Nagios service by running the following command:

sudo systemctl start nagios

  1. Verify that the Nagios service is running using the following command:

sudo systemctl status nagios

Step 6: Access the Nagios Web Interface

To access the Nagios web interface, follow these steps:

  1. Open a web browser and enter the following in the address bar:

http://server.ip/nagios/

  1. Enter the username and password you created earlier when prompted.

  2. You should now be logged in to the Nagios web interface, where you can configure and manage your Nagios installation.

Congratulations! You have successfully installed Nagios on MXLinux Latest.