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Nagios Core vs Oracle Infrastructure Monitoring Cloud Service comparison

 

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
10th
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
51
Ranking in other categories
Network Monitoring Software (11th)
Oracle Infrastructure Monit...
Ranking in IT Infrastructure Monitoring
77th
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 May 2026, in the IT Infrastructure Monitoring category, the mindshare of Nagios Core is 1.9%, down from 3.7% 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 Core1.9%
Oracle Infrastructure Monitoring Cloud Service0.4%
Other97.7%
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

"Inspite of this limitation it is a fantastic product to use at zero cost"
"The good thing about Nagios Core is it covers everything."
"This product covers all of our infrastructure health checks, and has triggers for us to alert us to any unusual behaviour of the monitored systems."
"The most valuable feature of Nagios Core is it allows us to develop and add as many plugins as we want."
"We have used this product now for quite some time and we are happy with it."
"We use the product to monitor server applications."
"We can get real time statistics of our servers which improves our monitoring."
"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."
"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

"I would like to see a much better Nagios Manager GUI that can support all type of configuration items, and advance search options."
"Would benefit from aggregations if a particular server goes down."
"The scalability needs improvement, it's not scalable at this time."
"Some of the reporting functionality is a bit basic and configuration is a chore although by the use of NagiosQL this can be made a lot easier."
"It is a bit slow due to latency."
"The initial setup process could be easier."
"The tool needs to improve the integrations."
"I would like to see a sensor that shows the traffic of a user and what they're doing on the network."
"Third-party connectivity is the part that needs improvement within Oracle Infrastructure Monitoring Cloud Service."
 

Pricing and Cost Advice

"Most the plugin features are free."
"We are using the free version of Nagios Core."
"We are using the free version."
"I would rate the solution's pricing an eight out of ten."
"Nagios Core is a cheap solution."
"We are using the open-source, unpaid version."
"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."
"Nagios Core is an open source solution, and there are no licensing fees."
"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
10%
Computer Software Company
8%
Financial Services Firm
8%
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 Zabbix, Datadog, Auvik and others in IT Infrastructure Monitoring. Updated: April 2026.
893,438 professionals have used our research since 2012.