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How to Install Nagios Core by Docker on Ubuntu 21.04

To Install Nagios Core by Docker on Ubuntu 21.04

Introduction:

*Nagios Core is the monitoring and alerting engine that serves as the basis for hundreds of Nagios products. It is implemented as a daemon and runs natively on Linux/nix systems, featuring several APIs that can be used to perform additional tasks.

Installation Procedure:

Step 1: Check the OS version by using the below command

root@linuxhelp:~# lsb_release -a 
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 21.04
Release:	21.04
Codename:	hirsute

Step 2: Pull the Nagios Core image from the Docker Hub by using the below command

root@linuxhelp:~# docker pull jasonrivers/nagios 
Using default tag: latest
latest: Pulling from jasonrivers/nagios
08c01a0ec47e: Pull complete 
a8f2c86f74de: Pull complete 
cb72f88dd616: Pull complete 
b4d858437011: Pull complete 
fcd1fa5ad641: Pull complete

Step 3: List the created Docker image by using the below command

root@linuxhelp:~# docker images 
REPOSITORY           TAG       IMAGE ID       CREATED        SIZE
jasonrivers/nagios   latest    5dab8a06fbb6   12 hours ago   769MB

Step 4: Run the Docker Container from the image with Name ‘nagios’ with mapping to the 8080 port number of the host system in a depreciated mode by using the below command

root@linuxhelp:~# docker run --name nagios -dp 8080:80 jasonrivers/nagios 
d7c5c4797de6e40e0fc22251d088ce6121e91356d3420c565bb9419bccc12609

Step 5: Ping http://localhost:8080 on Browser and login with Username as ‘nagiosadmin’ and Password as ‘nagios’ as shown in the below image

Step 6: This is the Dashboard of the Nagios Core

Step 7: This is image showing the Services Running on the Container.

With this the process of Installing Nagios Core by Docker on Ubuntu 21.04 has come to an end.

Tag : Nagios Docker Ubuntu
FAQ
Q
How does Nagios log server work?
A
Nagios Log Server greatly simplifies the process of searching your log data. Set up alerts to notify you when potential threats arise, or simply query your log data to quickly audit any system.
Q
Is Nagios a DevOps tool?
A
Nagios monitors your entire IT infrastructure to ensure systems, applications, services, and business processes are functioning properly.
Q
Is Nagios core free?
A
Nagios Core /ˈnɑːɡiːoʊs/, formerly known as Nagios, is a free and open-source computer-software application that monitors systems, networks, and infrastructure. Nagios offers to monitor and alerting services for servers, switches, applications, and services.
Q
Does Nagios Core run on Unices?
A
Nagios Core was originally designed to run under Linux, although it should work under most other unices as well.
Q
From what does Nagios core is written in?
A
Nagios core is written in C for performance reasons.