How to Install Nagios 4 on Linux Mint 19 LTS Easy Guide

Installing

4. 4. Downloading Nagios

   Download Latest Nagios Core Linux Source

   Here Nagios Core tar.gz Archive

   Link to Download the Nagios Core Source for Linux

5. 5. Extracting Nagios

   Then Double-Click and Extract Nagios Core into /tmp.

   

   Or from Command Line:

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   tar zxvf ~/Downloads/nagios*.tar.gz -C /tmp/

6. 6. Installing Nagios

   Moreover, to Compile and Install Nagios Core for Linux
   So first, access the Target:

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   cd /tmp/nagios*

   Configure it:

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   ./configure --with-command-group=nagcmd

   Make it:

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   make all

   And finally, to Install it perform this Stack of Commands:

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   sudo make install

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   sudo make install-init

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   sudo make install-config

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   sudo make install-commandmode

7. 7. Installing Nagios Core Web UI

   Follow Installing Nagios Core Web Interface
   First, Make the needed directory:

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   sudo mkdir -p /etc/httpd/conf.d/nagios.conf

   And then Install it:

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   sudo make install-webconf