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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
38th
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
3rd
Average Rating
8.6
Reviews Sentiment
7.3
Number of Reviews
150
Ranking in other categories
OpenStack (1st)
 

Mindshare comparison

As of March 2026, in the Operating Systems (OS) for Business category, the mindshare of Flatcar Container Linux is 0.9%, up from 0.5% compared to the previous year. The mindshare of Ubuntu Linux is 8.8%, down from 14.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Operating Systems (OS) for Business Mindshare Distribution
ProductMindshare (%)
Ubuntu Linux8.8%
Flatcar Container Linux0.9%
Other90.3%
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…
Salim Ahmed - PeerSpot reviewer
System Administrator at mmcytech
Has supported secure application hosting and reliable server management
I find the GUI to be good in Ubuntu Linux, and I appreciate the open SSH. The fact that it is free since it is open and open-source is why I appreciate it and feel it is secured. We have multiple different kinds of support related to Ubuntu Linux, including official support and other options. I am currently using laptops, desktops, and servers, and Ubuntu Linux supports all these devices. If I need it for Raspberry Pi or something similar, I can download another Linux distribution. Ubuntu Linux is scalable, especially for servers. We prefer using Ubuntu Linux Servers rather than Windows. The biggest advantage of Ubuntu Linux for me is that it is open-source, secured, and scalable.

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. The version I am using is stable and allows us to make needed changes."
"With Ubuntu, I think the recent versions have pretty much everything in place."
"Ubuntu is good for machine learning. It's also a good option for any type of application, like multimedia and movies."
"I like this product much better than some other similar solutions."
"The solution is stable."
"I am going to continue using the solution and would recommend it to others."
"The solution is very lightweight and extremely powerful."
"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."
"RTO with the use of templating support for VMware for fast deployment of recovery or new systems, with the least amount work needed on custom settings, within application installed from install repositories. Shorter overall time with the vetted packages. Normally install and go."
 

Cons

"The development teams could sharpen their skills. They should offer applications on the net."
"It could be easier for beginners and the user interface could be more user-friendly."
"More security features are needed to protect the current file system to prevent attacks."
"The encryption of the partition regarding software systems could be improved."
"The product is difficult to use sometimes."
"The only improvement I would suggest is to switching back to Aptitude. They switched a lot of the packages that used to be running in Aptitude to Snap. I don't find them as usable when they are in Snap. The most obvious instance of this is that it's caused me to have issues with Chrome. Starting Chrome took a couple of seconds before it was up and running, which wasn't pleasant. Back when it used to run packaging in Aptitude, I didn't have this problem. I know they're familiar with these issues because a lot of other people have experienced them too."
"The config file can be changed in many ways, but with other solutions, there is only one way to configure the system."
"The solution could improve its GUI personalization."
"The user interface could be improved."
 

Pricing and Cost Advice

Information not available
"We are using the free and open-sourced version of the solution."
"Ubuntu pricing is reasonable."
"We are using Ubuntu Linux free of cost, and there is no licensing."
"Ubuntu Linux is an open-source operating system."
"There are no licensing fees, it's an open-source solution."
"There is an annual subscription for this solution."
"The solution is open source, so there is no licensing fee."
"Ubuntu Linux is free for personal use, including business use."
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Top Industries

By visitors reading reviews
Comms Service Provider
14%
University
14%
Manufacturing Company
10%
Computer Software Company
8%
Comms Service Provider
11%
University
10%
Manufacturing Company
8%
Computer Software Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business84
Midsize Enterprise22
Large Enterprise52
 

Questions from the Community

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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?
I was thinking that Ubuntu Linux and Windows would work on the same machine. With Windows 11, they came together, so it is a good thing. On the GUI, when I use SSH or PuTTY or what is called a cons...
 

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, Rocky Linux, Canonical and others in Operating Systems (OS) for Business. Updated: February 2026.
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