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Nagios Core vs Oracle Infrastructure Monitoring Cloud Service comparison

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Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Nagios Core
Ranking in IT Infrastructure Monitoring
18th
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
51
Ranking in other categories
Network Monitoring Software (19th)
Oracle Infrastructure Monit...
Ranking in IT Infrastructure Monitoring
78th
Average Rating
9.0
Reviews Sentiment
7.3
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2026, in the IT Infrastructure Monitoring category, the mindshare of Nagios Core is 1.5%, down from 3.1% compared to the previous year. The mindshare of Oracle Infrastructure Monitoring Cloud Service is 0.4%, up from 0.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
IT Infrastructure Monitoring Mindshare Distribution
ProductMindshare (%)
Nagios Core1.5%
Oracle Infrastructure Monitoring Cloud Service0.4%
Other98.1%
IT Infrastructure Monitoring
 

Featured Reviews

HY
Senior System Administrator at Interactive Group
Monitoring solution provides comprehensive visibility across IT infrastructure
The good thing about Nagios Core is it covers everything. Everything in the IT domain, you can monitor anything. You can even monitor printers, the ports of printers, Core workstations, and storage. You can monitor the workflow Core and the utilization of computes. If you want to grasp everything of your IT equipment on a single interface, you can use Nagios. It's the best one. It provides dashboards, and you can also configure your emails and alerts with it. If something is critical, you can configure it to notify via emails. It has a very handy dashboard, providing live alerts and visibility for everything.
Saktid Devi Jeyakaran - PeerSpot reviewer
Associate Cloud Engineer at Ebizoncloud LLC
Offers real-time alerting and dashboards are great for performance hubs of the database
It's primarily for CPU utilization and resource monitoring. Vulnerability scanning falls under OCI Cloud Guard, so it's related to security concerns. Some people might prefer using a third-party tool for more enhanced features. However, I think Oracle Infrastructure Monitoring Cloud Service could be improved to reduce the need for third-party connectivity. So overall, third-party connectivity is the part that needs improvement within Oracle Infrastructure Monitoring Cloud Service. OCI needs more research and development to understand why clients choose third-party tools like Splunk or QRadar over internal monitoring solutions. There must be some areas where third-party tools are better. OCI could analyze this and improve its service.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The most valuable features are the reports and the way it generates the report in a graphical manner."
"This is a fit for purpose product which means that if you have a definite list of requirements and are not willing, or unable, to spend money on big enterprise tools, then Nagios is a tool to go to."
"The most valuable feature of Nagios Core is the ability to check the availability of the server for network connectivity. Additionally, the interface is good."
"The scalability of Nagios Core is very good, we can add as many hosts as we like, and we can work with the concept master and client, making it very scalable and easy to use."
"Open source and very flexible, with a large ecosystem of tools and custom monitors built up around Nagios."
"Dashboard provides monitor of total assets."
"I like that it's very simple to install, easy to manage and deploy, and easy to use for monitoring."
"I like the way the solution sends alerts and how it keeps on escalating them."
"Real-time alerting is a very important feature. We need alerts for everything. We have alarms setup and get alerts through email or third-party integrations depending on what's happening – critical VMs, high CPU usage, security concerns."
 

Cons

"Bandwidth monitoring is the pain point for me because Nagios Core does not monitor bandwidth effectively like Cacti does."
"Making it a little easier to configure and set up from the start would help. There are multiple layers that you have to wade through to be able to set it up, to do it the right way, and to get it to do what you want it to do."
"They should simplify the features so it becomes easier to setup out of the box."
"Lessening the price point would be an improvement."
"The dashboard and monitoring features could be improved."
"Default interface is clunky and slow."
"Nagios Core is not easy to use, so I don't recommend it for everyone."
"I would like to see more training videos."
"Third-party connectivity is the part that needs improvement within Oracle Infrastructure Monitoring Cloud Service."
 

Pricing and Cost Advice

"I would rate the solution's pricing an eight out of ten."
"The enterprise version has technical support. The version we are using is free."
"The product is cheaply priced."
"Nagios Core is a cheap solution."
"The Nagios Core (PNP4Nagios + Core) is free and can be setup by Netadmin within a few hours. The only additional cost is the cloud server."
"Lessening the price point would be an improvement."
"We are using the free version of Nagios Core."
"We are using the free version."
"For monitoring specifically, it's not that expensive. The licensing is yearly basis."
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Top Industries

By visitors reading reviews
Comms Service Provider
10%
Manufacturing Company
9%
Financial Services Firm
7%
Outsourcing Company
7%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise11
Large Enterprise24
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Nagios Core?
Nagios Core is a free and open-source product. We don't charge for the product itself, but we charge for the man-hour costs related to installation, configuration, ongoing operation, and maintenance.
What needs improvement with Nagios Core?
The dashboard should be improved. It's very simple. I don't have a very clear or specific suggestion. You can change the skin of the dashboard, however, it's good for me.
What is your primary use case for Nagios Core?
I was a senior system administrator. I've been using Nagios Core for more than ten years now. It can be used to monitor hosts, such as machines, and monitor services of any kind. I'm using it to mo...
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Overview

 

Sample Customers

Airbnb, Cisco, PayPal, FanDuel
COMPOSERS AND AUTHORS SOCIETY OF SINGAPORE
Find out what your peers are saying about Datadog, Zabbix, Splunk and others in IT Infrastructure Monitoring. Updated: August 2026.
914,938 professionals have used our research since 2012.