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Flatcar Container Linux Reviews

Vendor: Kinvolk (acquired by Microsoft)
4.0 out of 5
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What is Flatcar Container Linux?

Flatcar Container Linux is a lightweight, secure, and reliable operating system designed for running containers at scale with automatic updates and a minimal attack surface. The solution is easy to use and manage and has a simple and intuitive command-line interface and a powerful set of tools for managing containers and clusters. 
It supports various container runtimes, including Docker, Kubernetes, and Mesos. It can be deployed on various infrastructure platforms, including bare metal, virtual machines, and cloud environments. Flatcar Container Linux is an ideal choice for organizations deploying containerized applications in production environments.
Get the Operating Systems (OS) for Business Buyer's Guide and find out what your peers are saying about Flatcar Container Linux, Ubuntu Linux, Red Hat Enterprise Linux (RHEL) and more!
Flatcar Container Linux is the #38 ranked solution in top Operating Systems for Business. PeerSpot users give Flatcar Container Linux an average rating of 8.0 out of 10. Flatcar Container Linux is most commonly compared to Ubuntu Linux: Flatcar Container Linux vs Ubuntu Linux. Flatcar Container Linux is popular among the large enterprise segment, accounting for 47% of users researching this solution on PeerSpot. The top industry researching this solution are professionals from a comms service provider, accounting for 13% of all views.
Buyer's Guide
Operating Systems (OS) for Business
February 2026
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Helped 884,976 peers since 2012

Flatcar Container Linux mindshare

As of March 2026, the mindshare of Flatcar Container Linux in the Operating Systems (OS) for Business category stands at 0.9%, up from 0.5% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Operating Systems (OS) for Business Mindshare Distribution
ProductMindshare (%)
Flatcar Container Linux0.9%
Rocky Linux10.2%
Ubuntu Linux8.8%
Other80.1%
Operating Systems (OS) for Business
 
 
Key learnings from peers
Last updated Mar 27, 2026

Valuable Features

  • "Flatcar's support is good, and the version I am using is stable and allows us to make needed changes."
  • "Flatcar's support is good. The version I am using is stable and allows us to make needed changes."

Room for Improvement

  • "The development teams could sharpen their skills. They should offer applications on the net."
  • "The development teams could sharpen their skills. They should offer applications on the net."
These insights are based on the in-depth reviews provided by peers to help you make a better buying decision.
Download our Operating Systems (OS) for Business Buyer's Guide for additional reliable information.

Top industries

By visitors reading reviews
Comms Service Provider
13%
University
13%
Manufacturing Company
10%
Computer Software Company
8%
Financial Services Firm
7%
Retailer
7%
Construction Company
7%
Healthcare Company
5%
Government
5%
Outsourcing Company
5%
Insurance Company
3%
Newspaper
2%
Non Profit
2%
Wholesaler/Distributor
2%
Hospitality Company
2%
Legal Firm
2%
Logistics Company
2%
Energy/Utilities Company
2%
Marketing Services Firm
2%
Media Company
2%
Mining And Metals Company
2%

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Flatcar Container Linux customers

CISCO, mettle, Microsoft, Upguard, GMX

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Flatcar Container Linux Reviews Summary
Author infoRatingReview Summary
Senior Consultant at Capgemini4.0I have eight years of experience with Flatcar Container Linux. I find its support good, and the version I use is stable and scalable. However, I believe the development teams need to improve their skills and offer net applications. I rate it 8/10.