Guide – How To Start – Nagios: Network Monitoring System on Ubuntu 18.04

Connecting to Nagios: Network Monitoring System on Ubuntu 18.04 using PuTTY

  1. To start the server, run the VM through Azure Portal.
  2. To work, you must open port 80 (TCP) in the network properties in the Azure firewall.
  3. Install PuTTY. You can download PuTTY from the link – https://putty.org.ru/download.html Launch PuTTY.
  4. In the “Host Name” field, enter the IP of the virtual machine and click “Open”.
  1. In the window that appears, click Accept.
  1. Enter the username and password that was used to create the virtual machine.

(If you enter a password, it will not be displayed.)

  1. In the browser enter  http://ip/nagios. For example http://11.22.123.123/nagios 
  1. Enter your username and password in the window that opens. 

           Username: nagiosadmin

Password: admin
and click “Sign in”

  1. After entering your login information, you will be taken to the main page
  1. Initially, the service is preset to check three hosts: localhost, 8.8.8.8 и yahoo.com 

To view the status of the hosts, you need to select Services or Host

If you have any questions, please refer to the main documentation – https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/4/en/toc.html

Writing host configs for monitoring – https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/4/en/monitoring-publicservices.html

The main nagios directory is / usr / local / nagios /

Preset config for yahoo.com – /usr/local/nagios/etc/objects/yahoo.com.cfg

Preset config for 8.8.8.8 – /usr/local/nagios/etc/objects/8888.cfg

Main config file – /usr/local/nagios/etc/nagios.cfg

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