How To Install Nagios Core By Docker On Rocky Linux 8.6

To Install Nagios Core By Docker On Rocky Linux 8.6

Introduction:

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

Installation Procedure:

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

[root@linuxhelp ~]# cat /etc/os-release 
NAME="Rocky Linux"
VERSION="8.6 (Green Obsidian)"
ID="rocky"
ID_LIKE="rhel centos fedora"
VERSION_ID="8.6"
PLATFORM_ID="platform:el8"
PRETTY_NAME="Rocky Linux 8.6 (Green Obsidian)"
ANSI_COLOR="0;32"
CPE_NAME="cpe:/o:rocky:rocky:8:GA"
HOME_URL="https://rockylinux.org/"
BUG_REPORT_URL="https://bugs.rockylinux.org/"
ROCKY_SUPPORT_PRODUCT="Rocky Linux"
ROCKY_SUPPORT_PRODUCT_VERSION="8"
REDHAT_SUPPORT_PRODUCT="Rocky Linux"
REDHAT_SUPPORT_PRODUCT_VERSI

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: Pulling fs layer 
a8f2c86f74de: Pulling fs layer 
cb72f88dd616: Pulling fs layer 
b4d858437011: Pulling fs layer 
997d3238b8e5: Pull complete 
Digest: sha256:ca812986f9eaadccf03f02c55c5ef556e9b045ab2d3f32d3609727036f5772ca
Status: Downloaded newer image for jasonrivers/nagios:latest
docker.io/jasonrivers/nagios:latest

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   5 months 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 
80ce78799a2a426b76577bac9eb6e4b6c85886e72e3bc6a192f5391c4c5283a1

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.

Conclusion:

We have reached the end of this article. In this guide, we have walked you through the steps required to Install Nagios Core by Docker on Rocky Linux 8.6 . Your feedback is much welcome.

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 monitoring 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?
A
Nagios core is written in C for performance reasons.