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Flatcar Container Linux vs Ubuntu Linux comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 25, 2026

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

Flatcar Container Linux
Ranking in Operating Systems (OS) for Business
41st
Average Rating
8.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
Ubuntu Linux
Ranking in Operating Systems (OS) for Business
2nd
Average Rating
8.6
Reviews Sentiment
7.3
Number of Reviews
146
Ranking in other categories
OpenStack (1st)
 

Mindshare comparison

As of August 2026, in the Operating Systems (OS) for Business category, the mindshare of Flatcar Container Linux is 0.9%, up from 0.6% compared to the previous year. The mindshare of Ubuntu Linux is 8.1%, down from 12.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Operating Systems (OS) for Business Mindshare Distribution
ProductMindshare (%)
Ubuntu Linux8.1%
Flatcar Container Linux0.9%
Other91.0%
Operating Systems (OS) for Business
 

Featured Reviews

YD
Senior Consultant at Capgemini
The solution is stable and allows us to make needed changes
The development teams could sharpen their skills.  They should offer applications on the net I have eight years of experience with Flatcar Container Linux. The version of Flatcar Container Linux that I am using is stable. The scalability of this product is fine. It allows us to make the needed…
reviewer2816721 - PeerSpot reviewer
Sr. Associate Consultant at a tech services company with 51-200 employees
Hosting websites and databases has become cost‑effective and supports long‑term cloud growth
The best feature of Ubuntu Linux is that it serves as a base for private cloud and public cloud VMs for AWS. It is very useful to use Ubuntu Linux with its GUI-based and CLI modes; the commands are very lightweight, and it is much more feasible for me with its long-term support. Ubuntu Linux provides business advisory consultancy for business purposes and enables the smooth running of my website hosting to meet all business purposes. My experience with pricing, setup cost, and licensing is good because I am using the freeware version.

Quotes from Members

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

Pros

"Flatcar's support is good, and the version I am using is stable and allows us to make needed changes."
"It's an open-source and free platform, which makes it accessible and useful."
"The solution is easy to use."
"There is value in the long-time supported LPS distribution and there is an updated version that has recently become available."
"Of value is that the solution is stable, easy to use, has features that are easy to connect to other Linux systems and can be managed and administered."
"This open source operating system promotes very secure environments with less possibility of being attacked. Support for this system is great because of its quick SLA."
"Ubuntu Linux was very easy to deploy."
"The solution is free to use and open-source."
"Ubuntu Linux is the most secure option on the market."
 

Cons

"The development teams could sharpen their skills. They should offer applications on the net."
"The product must provide integrated security solutions."
"One thing I've noticed is network connectivity issues where packets are sometimes lost."
"On the desktop edition, we'd like more themes."
"Ubuntu could add some additional hardware support."
"The stability could be improved."
"The solution could be more user-friendly, as I use Mac on a day to day basis."
"Right now, I would recommend the solution at a six out of ten."
"You have to do a lot of configurations yourself. It is not very user friendly, but if you wanted to be a technical person, you may use it."
 

Pricing and Cost Advice

Information not available
"On a personal level, I'm using the free version."
"Ubuntu Linux is an open-source product that is free to use."
"I am not in a position to comment on the licensing, as we mostly make use of the free version."
"Ubuntu Linux is an open-source product."
"We are using the free and open-sourced version of the solution."
"It is open source."
"It is not a very expensive solution."
"We are not using the licensed version of the solution, we are using the free version."
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Top Industries

By visitors reading reviews
Comms Service Provider
19%
University
11%
Construction Company
10%
Manufacturing Company
8%
Comms Service Provider
11%
Financial Services Firm
9%
University
9%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business85
Midsize Enterprise22
Large Enterprise54
 

Questions from the Community

Ask a question
Earn 20 points
Which would you choose - Ubuntu Linux or Oracle Linux?
Ubunto Linux is a complete Linux operating system that is freely available with both community and professional support. This solution is suitable for both desktop and server use. It has a very app...
What is your experience regarding pricing and costs for Ubuntu Linux?
My experience with the pricing for Ubuntu Linux is that I always use the free version, so I never paid for any installations or support.
What needs improvement with Ubuntu Linux?
The user experience on Ubuntu Linux is very good, so I believe there is no need for improvement.
 

Also Known As

No data available
Ubuntu
 

Overview

 

Sample Customers

CISCO, mettle, Microsoft, Upguard, GMX
Samsung, eBay, AT&T, Walmart, Cisco, Time Warner Cable, Bloomberg, Best Buy, Dell, Intel, Microsoft, Ericsson, Orange, Wells Fargo
Find out what your peers are saying about Red Hat, Canonical, Rocky Linux and others in Operating Systems (OS) for Business. Updated: July 2026.
908,800 professionals have used our research since 2012.