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Nagios Core on CentOS vs openSUSE Leap 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 on CentOS
Ranking in Operating Systems (OS) for Business
23rd
Average Rating
8.2
Reviews Sentiment
4.9
Number of Reviews
15
Ranking in other categories
No ranking in other categories
openSUSE Leap
Ranking in Operating Systems (OS) for Business
26th
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 October 2026, in the Operating Systems (OS) for Business category, the mindshare of Nagios Core on CentOS is 0.3%, up from 0.0% compared to the previous year. The mindshare of openSUSE Leap is 4.4%, down from 6.1% 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 CentOS0.3%
openSUSE Leap4.4%
Other95.3%
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

"Since using Nagios Core on CentOS, I have noticed specific improvements in downtime and how quickly my team can respond to issues."
"Using Nagios Core on CentOS had a significant positive impact on the organization at Infosys where I used it by improving system availability, reducing downtime, and enabling proactive issue resolution."
"Alerting in Nagios Core on CentOS is instantaneous and more accurate."
"Before Nagios Core on CentOS, we were getting alerts after the incident happened, but after implementing Nagios and integrating it with our existing system, we get alerts in real time, which allows us to easily identify the root cause and reduce mean time to repair."
"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."
"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."
"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."
"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."
"Stable - it just runs without the necessity to reboot."
"openSUSE Leap has helped me with using containers in Podman."
"The most valuable feature by far has been the virtualization capabilities of the operating system."
"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 solution's most valuable feature is the BTRFS file system, which allows you to take snapshots."
"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."
"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."
 

Cons

"Nagios Core on CentOS requires human intervention for monitoring; we must monitor the services in a 24/7 environment, and I believe this needs to be improved."
"In the modern world, we need Kubernetes and OpenShift support for Nagios, and it would be better to support the Kubernetes and OpenShift platforms."
"The main concern is that CentOS support has ended and its life cycle has reached its conclusion, which is why we moved over to other operating systems."
"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 could use a better UI."
"Nagios Core on CentOS is very stable and reliable, but it can be significantly improved in terms of automation, scalability, and usability."
"One area that could be improved in Nagios Core on CentOS is the user interface."
"Nagios Core on CentOS could be improved by adding more flexibility towards adding plugins."
"In the future, the Active Directory could improve."
"There is room for improvement in the console."
"Like most Linux-based operating systems, the biggest challenge Leap faces is the GUI."
"I would like openSUSE Leap to have better link integration with Windows."
"Somehow the change from OS12.x via 13.x to Leap was a bit bumpy and some old issues seemed to reappear."
"It would be helpful if we could easily switch from openSUSE Leap for testing to SUSE Linux Enterprise for production."
 

Pricing and Cost Advice

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

By visitors reading reviews
Construction Company
34%
Financial Services Firm
8%
Outsourcing Company
8%
Comms Service Provider
8%
Comms Service Provider
23%
Manufacturing Company
8%
Educational Organization
7%
University
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business5
Midsize Enterprise4
Large Enterprise10
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?
I do not handle the pricing, setup cost, and licensing for Nagios Core on CentOS as my manager takes care of that.
What needs improvement with Nagios Core on CentOS?
Nagios Core on CentOS requires human intervention for monitoring. We take 24/7 monitoring on Nagios Core on CentOS, which is a drawback. We must monitor the services in a 24/7 environment, and I be...
What is your primary use case for Nagios Core on CentOS?
We use Nagios Core on CentOS for server monitoring purposes, including ping response and other health checks. We monitor whether the server's health is fine or not. Nagios Core on CentOS operates w...
Ask a question
Earn 20 points
 

Overview

Find out what your peers are saying about Nagios Core on CentOS vs. openSUSE Leap and other solutions. Updated: September 2026.
915,341 professionals have used our research since 2012.