How to install Nagios on Ubuntu 20.04

Step 1: Check for the updates. ...
Step 2: Create a user account. ...
Step 3: Download Nagios from the official website. ...
Step 4: Compile Nagios with Ubuntu 20.04. ...
Step 5: Update your email address. ...
Step 6: Fire up the web interface installer. ...
Step 7: Install Nagios Plugins. ...
Step 8: Using Nagios on Ubuntu.

Can I install Nagios on Ubuntu?
How do I download Nagios on Ubuntu?
How install Nagios on Linux?
How do I start Nagios in Ubuntu?
How do I access Nagios?
What is the latest version of Nagios?
How do I set up Nagios?
How do I use Nagios monitoring tool?
How do I download Nagios plugins?
How do I start Nagios service in Linux?
How install Nrpe in Linux?
How install Nagios XI on Linux?

Can I install Nagios on Ubuntu?

Both Nagios and NRPE plugins are available by default on the Ubuntu repository. You can install those packages using the apt command below. Once the installation is complete, go to the nagios installation directory "/usr/local/nagios" and edit the configuration file "nagios.

How do I download Nagios on Ubuntu?

Step 1 - Install Packages Dependencies. First, we will update the Ubuntu repository and install some packages dependencies for the Nagios installation. ...
Step 2 - Install Nagios Core 4.4. ...
Step 3 - Install Nagios Plugins and NRPE Plugin. ...
Step 5 - Add Linux Host to Monitor. ...
Step 5 - Testing. ...
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How install Nagios on Linux?

Step 1: Install Required Dependencies. ...
Step 2: Create Nagios User and Group. ...
Step 3: Download Nagios Core 4.4. ...
Step 4: Extract Nagios Core and its Plugins. ...
Step 5: Customizing Nagios Configuration. ...
Step 6: Install and Configure Web Interface for Nagios. ...
Step 7: Compile and Install Nagios Plugin.

How do I start Nagios in Ubuntu?

Starting and Stopping Nagios

Init Script: The easiest way to start the Nagios daemon is by using the init script like so: /etc/rc.d/init.d/nagios start.
Manually: You can start the Nagios daemon manually with the -d command line option like so: /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg.

How do I access Nagios?

Step 4 — Accessing the Nagios Web Interface

Enter the login credentials for the web interface in the popup that appears. Use nagiosadmin for the username, and the password you created for that user. As you can see, Nagios is monitoring only “localhost”, or itself.

What is the latest version of Nagios?

The latest version of Nagios Core is 4.4. 6 was released on 2020-04-28.

How do I set up Nagios?

Installing Nagios

Update the system and install the required packages: ...
Create a user to run Nagios: ...
Download the sources of Nagios, untar them and enter the directory: ...
Before compiling the software, define the user and group to use: ...
Compile the software: ...

How do I use Nagios monitoring tool?

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.

How do I download Nagios plugins?

Nagios plugins tutorial: downloading and installing plugins

cd ~/download tar xzf nagios-plugins-2.1.2.tar.gz. mixed.
cd nagios-plugins-2.1.2. mixed.
./configure --with-nagios-user=nagios --with-nagios-group=Nagios make make install. mixed.
cd /usr/local/nagios/libexec ./name_des_plugins -h. mixed.

How do I start Nagios service in Linux?

Starting Nagios Core

Init Script: The easiest way to start the Nagios Core daemon is by using the init script like so: /etc/rc.d/init.d/nagios start.
Manually: You can start the Nagios daemon manually with the -d command line option like so: /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg.

How install Nrpe in Linux?

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 install Nagios XI on Linux?

Execute the following command in your terminal session: curl https://assets.nagios.com/downloads/nagiosxi/install.sh | sh That one command will download and install Nagios XI. Please proceed to the Finalize Installation section. Please proceed to the Finalize Installation section.