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CentOS vs Oracle Solaris comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Aug 3, 2025

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

CentOS
Ranking in Operating Systems (OS) for Business
9th
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
69
Ranking in other categories
No ranking in other categories
Oracle Solaris
Ranking in Operating Systems (OS) for Business
10th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
52
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2025, in the Operating Systems (OS) for Business category, the mindshare of CentOS is 4.6%, down from 8.1% compared to the previous year. The mindshare of Oracle Solaris is 1.9%, down from 3.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Operating Systems (OS) for Business Market Share Distribution
ProductMarket Share (%)
CentOS4.6%
Oracle Solaris1.9%
Other93.5%
Operating Systems (OS) for Business
 

Featured Reviews

Mahender Nirwan - PeerSpot reviewer
In-depth documentation available and command-line utility works well
One issue I recently faced, but I think it was due to my IT support guys, was that when the server storage gets full, the service crashes. It's very difficult to regain access and stability in that situation. That could be improved. So, the stability might be improved. But I don't think it's a CentOS-level issue. The system administrators need to come up with a solution for that, but I don't think it's CentOS's fault. I haven't done any research [R&D] on this issue. There's one thing for sure. We recently migrated from CentOS 7 to CentOS 9, and it was a bit difficult. For example, updating Windows is simple; you just download it, and it takes about 15-20 minutes. But that's not the case with migrating from CentOS 7 to 9. We had to back up the entire server, launch a new server, and then restore the backup to the new server. We couldn't directly migrate. I think that was a bit of a problem. The setup and updates are not that new in CentOS.
Prabir Kumar Kundu - PeerSpot reviewer
Experience robust performance and security for large organizations
For big organizations who look for performance, better security, and better manageability, I usually recommend Oracle Solaris. It is not recommended for smaller organizations because you need a specialized person to manage this operating system. Linux can be managed by anybody. However, maintaining Oracle Solaris, creating clusters, and tuning at the OS level needs a specialized resource. Smaller organizations may not have those resources, or it will be too costly for them to maintain. Everybody is moving towards the cloud. I am not sure how they are going to do that because it is going to be a dead product already compared to its competitors. I would recommend Oracle Linux instead of Oracle Solaris now. On a scale of 1-10, I rate Oracle Solaris a 9.

Quotes from Members

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

Pros

"The solution is open source."
"The latest version of this solution has everything built in, making it comprehensive and very easy to use."
"The technical support is good."
"It's a good and stable system. It provides everything you need for web servers and database servers."
"The scalability of CentOS is good. We can deploy the operating system in many hardware, laptops, and servers."
"The product is very efficient when it comes to virtualization."
"The most valuable feature of CentOS is the speed and it is very easy to use."
"Setup is straightforward. You can complete it in about 30 minutes."
"The backup capabilities are quite good."
"The ability to manipulate the zones and the files within the zones from a global OS provides us flexibility that no other virtualization can match."
"Oracle Solaris is great due to the fact that it actually is meant for high-end servers."
"Stability-wise, I rate the solution a ten out of ten since we haven't faced any issues."
"It is a scalable solution. I recommend it for bigger companies."
"Its networking has helped me combine the power of a neural network with the benefits of virtualization to improve the AI's performance."
"One of the main advantages is the rock-solid reliability. It works. The stability is very good. It has a very good track record in the data security database."
"Oracle Solaris is pre-installed in our environment. Thus, it is simple to customize."
 

Cons

"I was using CentOS because it was very stable, and now it's not."
"Lacks sufficient security and some coding tools."
"This solution is no longer supported and will not receive any updates going forward."
"This solution is no longer suited to our business following the change they have made to the release process. It is no longer an enterprise solution."
"Integration with Open Stack could be improved."
"As an open-source solution, there isn't much technical support."
"CentOS can be somewhat difficult for beginners, as it has a complex UI, especially for those not in the IT field."
"The price could be better. They could add more drivers in terms of peripherals and other things. Add more drivers for the Linux specifications in the next release. Right now, they are just pushing to have more drivers for Windows instead of Linux."
"More monitoring tools could be included in the product."
"The challenge arises from the differences in commands and configurations compared to more common systems like Linux."
"Solaris' package management could be improved, especially in comparison to Linux."
"Patching without downtime would be nice."
"Oracle is going to discontinue it, so I do not think any improvement is possible in Oracle Solaris."
"When we switch over to Solaris it was not easy because we had some troubles with the performance. Solaris is from Oracle and you would expect that it would run flawlessly, but we had some issues in sizing the previous Linux environment to the Solaris environment."
"Oracle customer service is slow at times."
"Oracle Solaris can improve by supporting all the recent features that are in the market from other competitors."
 

Pricing and Cost Advice

"There are no licensing costs for CentOS."
"This is an open-source solution, so there are no licensing costs involved."
"CentOS is a free solution."
"CentOS is cheaper compared to Windows."
"There are no licensing fees. CentOS is a free solution."
"It's freeware, so we can use it without worrying about licensing."
"For the enterprise version of CentOS, there is a license required. However, for personal use, I do not need a license."
"We use the free, open-source solution because we cannot afford the price for Linux."
"We don't use an authorized license."
"There should be an option to install the solution for free and just pay for the support. We purchased an annual license and the price could be better."
"The solution is expensive and is based on an annual fee."
"If you buy Oracle hardware it's supported free with the hardware. If you're putting it on non-Oracle hardware, that is when you buy the support license, which is also very reasonable. It is $1000 dollars per year, so it's not overly expensive."
"The product is inexpensive."
"The price is not good and needs to improve."
"It is a very expensive product."
"Its licensing is on a yearly basis."
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Comparison Review

it_user281973 - PeerSpot reviewer
Aug 24, 2017
It's improved our company's system environments that run Oracle databases.
Red Hat is mission critical to our environment Red Hat has improved the mission critical environments running Oracle databases, while CentOS has improved our web environment and MySQL. Oracle and SAP Environment and all HPC environments. 10 years No issues Very stable i don´t find any problem…
 

Top Industries

By visitors reading reviews
Computer Software Company
16%
Manufacturing Company
8%
Comms Service Provider
7%
Educational Organization
7%
Financial Services Firm
12%
Computer Software Company
11%
Manufacturing Company
10%
Government
10%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business29
Midsize Enterprise19
Large Enterprise23
By reviewers
Company SizeCount
Small Business21
Midsize Enterprise5
Large Enterprise31
 

Questions from the Community

Which would you choose - RHEL (Red Hat Enterprise Linux) or CentOS?
Red Hat Enterprise Linux is fantastic. It is an inexpensive solution that has excellent security, performance, and stability, and also lots of features. I specifically like that the solution has fe...
What do you like most about CentOS?
CentOS is very easy to use, and all the commands are user-friendly.
What is your experience regarding pricing and costs for CentOS?
CentOS is a free product with free updates. There are third-party companies available for support, but they charge varying amounts for their services.
How does Oracle Linux compare with Solaris?
When comparing Oracle Linux and Solaris, I believe that Linux is more secure and more flexible. It is also very suitable for enterprises that are already Oracle solution users. I found Linux to be ...
What do you like most about Oracle Solaris?
We use the solution as an internal operating system.
What is your experience regarding pricing and costs for Oracle Solaris?
I find the pricing of Oracle Solaris to be affordable compared to competitors like Windows.
 

Comparisons

 

Also Known As

CentOS 7 (x86_64) - with Updates HVM
Solaris 11, Solaris
 

Overview

 

Sample Customers

Information Not Available
Siemens, IVV
Find out what your peers are saying about CentOS vs. Oracle Solaris and other solutions. Updated: September 2025.
867,349 professionals have used our research since 2012.