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Nagios Core on CentOS vs openSUSE Leap 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 on CentOS
Ranking in Operating Systems (OS) for Business
22nd
Average Rating
8.4
Reviews Sentiment
5.0
Number of Reviews
13
Ranking in other categories
No ranking in other categories
openSUSE Leap
Ranking in Operating Systems (OS) for Business
25th
Average Rating
9.2
Reviews Sentiment
7.8
Number of Reviews
6
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of July 2026, in the Operating Systems (OS) for Business category, the mindshare of Nagios Core on CentOS is 0.2%, up from 0.0% compared to the previous year. The mindshare of openSUSE Leap is 4.8%, down from 6.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Operating Systems (OS) for Business Mindshare Distribution
ProductMindshare (%)
Nagios Core on CentOS0.2%
openSUSE Leap4.8%
Other95.0%
Operating Systems (OS) for Business
 

Featured Reviews

reviewer2836233 - PeerSpot reviewer
Infrastructure Analyst at a tech vendor with 10,001+ employees
Monitoring has reduced outages and improves proactive issue resolution across our infrastructure
Regarding complexity, I think there is no feature like InfluxDB AI, so it may require more expertise to configure. There are also some migration challenges in adopting the new dashboards, so it takes some time to train the staff, but it is not a big concern. I think it is better to add some advanced features. I do not think there are so many things that need to be improved in Nagios Core on CentOS. If it is better to customize the dashboard or if we can get something like a modern view, it will be helpful for the dashboard. I felt very happy with Nagios Core on CentOS. Why I took off one point is that I think it is better suited for a small or medium setup. If large enterprises can use Nagios Core on CentOS, it will be helpful. It also requires manual editing of the config file, so it is a little bit time-consuming. The web interface is functional, but compared to some other latest AI monitoring platforms, it is a little bit lacking. I think the AI platform would score higher, but it is good. The reporting is just basic, so if we compare it with Grafana, it needs richer insights.
NK
Senior Manager at Cognizant
Provides BTRFS file system, which allows you to take snapshots
I only use the tool for testing purposes on my team, but multiple people use it. We don't make a team effort to install the solution. When it comes to maintenance, we ask our company to buy SUSE Linux Enterprise. My team consists of 13 people. We are currently integrating the solution with Ansible to do some coding. Although not a full-fledged automation, we are integrating the solution with Ansible and executing a couple of playbooks connected to openSUSE Leap. I would recommend the solution to other users looking for an open-source solution. Overall, I rate the solution a nine out of ten.

Quotes from Members

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

Pros

"The best features of Nagios Core on CentOS are complete infrastructure monitoring and real-time alerting and notifications."
"Nagios Core on CentOS has positively impacted my organization because it is an open-source tool that has been very useful in monitoring different services using both custom plugins and the default plugins it provides."
"Since using Nagios Core on CentOS, I have noticed specific improvements in downtime and how quickly my team can respond to issues."
"Nagios Core on CentOS has impacted my organization positively because it is impactful to the business, and if the production server is down, Nagios Core on CentOS will check certain services, which impacts production."
"Nagios Core on CentOS has positively impacted our organization by increasing recovery between failures."
"Nagios Core on CentOS has positively impacted my organization by being very helpful budget-wise, as we rely on open source due to budget constraints for each division."
"Nagios Core on CentOS has positively impacted my organization by reducing downtime in systems because sometimes there are services that were down, and with a trigger, I can start them again."
"Nagios Core on CentOS is not just a technical tool; I feel that it helps the business grow a lot by reducing downtime and improving visibility."
"Leap has provided me with the ability to offer what I consider Enterprise class server O/S platforms to my smaller customers who are looking to improve their competitive stances without breaking the bank."
"The solution's most valuable feature is the BTRFS file system, which allows you to take snapshots."
"openSUSE Leap has helped me with using containers in Podman."
"The solution is easy for me to use because the backend is derived from FreeBSD and this is something I have been using for over 20 years."
"Stable - it just runs without the necessity to reboot."
"The solution is very stable after it is configured. It is hard to have a panel slow, a problem, misconfiguration, or any kind of loss function."
"The most valuable feature by far has been the virtualization capabilities of the operating system."
"This solution has helped my organization's security from the use of its firewall, and the features for blocking or allowing traffic are very effective and have worked well for us."
 

Cons

"Nagios Core on CentOS needs to improve the templates to send messages to IT companies and also integrate with different systems or improve integrations with QNAP, Synology, Ubiquiti, and different applications."
"Nagios Core on CentOS can be improved by making it easier. Specifically, I would prefer the configuration and interface of Nagios Core on CentOS to be easier, more easily configured, and have an easy UI-based way to monitor all aspects."
"Regarding features, I have tried the application monitoring feature, which is not that great but still useful; for open source, it is very helpful, though there are improvement areas in the application side."
"Nagios Core on CentOS is very stable and reliable, but it can be significantly improved in terms of automation, scalability, and usability."
"Nagios Core on CentOS could be improved with an official Docker image from Nagios Core."
"Nagios Core on CentOS could use a better UI."
"Nagios Core on CentOS is not stable."
"To improve Nagios Core on CentOS, I believe that many more plugins could be generated by the Nagios organization, such as those for monitoring services of an F5 load balancer or different other hardware devices such as Imperva WAF."
"It would be helpful if we could easily switch from openSUSE Leap for testing to SUSE Linux Enterprise for production."
"In the future, the Active Directory could improve."
"Somehow the change from OS12.x via 13.x to Leap was a bit bumpy and some old issues seemed to reappear."
"I would like openSUSE Leap to have better link integration with Windows."
"Like most Linux-based operating systems, the biggest challenge Leap faces is the GUI."
"There is room for improvement in the console."
 

Pricing and Cost Advice

Information not available
"openSUSE Leap is an open-source solution that is free of cost."
"This is an open-source operating system that can be used free of charge."
"The cost of this solution was reasonable and it was within our budget."
"The solution is open-source."
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Top Industries

By visitors reading reviews
Construction Company
38%
Comms Service Provider
9%
Financial Services Firm
9%
Computer Software Company
6%
Comms Service Provider
21%
Educational Organization
8%
Manufacturing Company
8%
University
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business5
Midsize Enterprise4
Large Enterprise9
By reviewers
Company SizeCount
Small Business2
Midsize Enterprise1
Large Enterprise4
 

Questions from the Community

What is your experience regarding pricing and costs for Nagios Core on CentOS?
My company is using the open-source version of Nagios Core on CentOS, so there were no pricing, installation, or licensing costs.
What needs improvement with Nagios Core on CentOS?
Nagios Core on CentOS needs to improve the templates to send messages to IT companies and also integrate with different systems or improve integrations with QNAP, Synology, Ubiquiti, and different ...
What is your primary use case for Nagios Core on CentOS?
My main use case for Nagios Core on CentOS is monitoring all the services of my customers, including CPU, RAM, different kinds of services, and certificates. With the trigger feature, I try to opti...
What needs improvement with openSUSE Leap?
Both openSUSE Leap and the SUSE Enterprise version use the same kernel. Suppose I have a lower environment where I can run openSUSE to test all my products. It would be helpful if I could easily sw...
What is your primary use case for openSUSE Leap?
I use openSUSE Leap for testing purposes. Before officially using any server in our office, we test it using the solution. My office usually uses production servers on the SUSE Linux enterprise ver...
What is your experience regarding pricing and costs for openSUSE Leap?
openSUSE Leap is an open-source solution that is free of cost.
 

Overview

Find out what your peers are saying about Nagios Core on CentOS vs. openSUSE Leap and other solutions. Updated: June 2026.
902,988 professionals have used our research since 2012.