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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."
"Stable and scalable Linux operating system that can test and run virtual machines."
"Some of the highlighted valuable features are that is based on Linux, configurable, functional, and robust."
"There is substantial documentation and community support available."
"Some of the main features of this solution are it is less prone to viruses since most viruses are written for Microsoft software, and it is easy to use."
"The solution really fulfills our purposes for the moment, so there is not much to note by way of improvement."
"Ubuntu Linux is a highly stable solution."
"The solution is easy to install."
"The solution is stable."
 

Cons

"The development teams could sharpen their skills. They should offer applications on the net."
"Ubuntu Linux needs to improve its stability. I would like it to show the battery percentage at the screen top."
"The stability could be improved."
"When installing software, an online interface has to be used and commands written to run the installation. The solution could be improved if it was possible to click twice in an icon for the installation process to begin."
"There is room for improvement, particularly in the GUI aspect of the product."
"Ubuntu is on its way for big changes."
"Developing more applications for businesses could work better, but that is not part of the OS piece. Let the developers work on other apps, therefore the needs for consuming less memory do not affect the performance of this OS version."
"Like most Linux systems, they can just keep increasing support in Ubuntu for hardware systems. They can increase the number of drivers so that Ubuntu can work on more hardware. They have been improving greatly, but they can definitely keep doing that."
"In some projects, I have had some problems with Ubuntu Linux. I finally figured out the root cause; it goes back to repositories."
 

Pricing and Cost Advice

Information not available
"It is free."
"It is not a very expensive solution."
"Ubuntu Linux has a free version, especially if you don't require support."
"It is open source."
"It's an open-source solution that can be used free of charge."
"Ubuntu Linux is free to use."
"It is 100% free."
"It is open-source. We don't have to pay for its license."
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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.
908,834 professionals have used our research since 2012.