Flatcar Container Linux vs Red Hat Enterprise Linux (RHEL) comparison

Kinvolk and Red Hat are both solutions in the Operating Systems (OS) for Business category. Kinvolk is ranked #18, while Red Hat is ranked #1 with an average rating of 8.8. Kinvolk holds a 0.6% mindshare in OSB, compared to Red Hat’s 9.1% mindshare. Additionally, 100% of Kinvolk users are willing to recommend the solution, compared to 97% of Red Hat users who would recommend it.

Flatcar Container Linux

Read 1 Flatcar Container Linux review

638 Views
498 Comparison Views

100% willing to recommend

Red Hat Enterprise Linux (R...

Read 327 Red Hat Enterprise Linux (RHEL) reviews

25,218 Views
10,449 Comparison Views

97% willing to recommend

Flatcar Container Linux

Red Hat Enterprise Linux (R...

Comparison Buyer's Guide

Download the report

Executive Summary

We performed a comparison between Flatcar Container Linux and Red Hat Enterprise Linux (RHEL) based on real PeerSpot user reviews.

Find out what your peers are saying about Red Hat, Canonical, Oracle and others in Operating Systems (OS) for Business.

To learn more, read our detailed Operating Systems (OS) for Business Report (Updated: June 2025).

Buyer's Guide

Operating Systems (OS) for Business

June 2025

Download the complete report

Helped 860,711 peers since 2012

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

18th

Average Rating

8.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Red Hat Enterprise Linux (R...

Ranking in Operating Systems (OS) for Business

1st

Average Rating

8.8

Reviews Sentiment

7.4

Number of Reviews

327

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of July 2025, in the Operating Systems (OS) for Business category, the mindshare of Flatcar Container Linux is 0.6%, up from 0.5% compared to the previous year. The mindshare of Red Hat Enterprise Linux (RHEL) is 9.1%, down from 12.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Operating Systems (OS) for Business

Featured Reviews

Yogesh Deore

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…

Read full review

Bruce Lundberg

Linux HPC Systems Administrator at a manufacturing company with 5,001-10,000 employees

Reliable patch management, high uptime, and incredible knowledge base

In terms of security, it does a lot of things that most people still turn off. SELinux is turned on by default. They have pretty good firewall rules in their defaults. The audit rules always take tweaking, but, overall, it comes out of the box not too bad. I used to write scripts to harden them from there. There are multiple ways to provision and patch. You have everything from local repositories to doing it by hand. Their knowledge base is incredible. There is so much information out there. It has never taken me longer than 30 minutes to find an answer to anything, even very tough ones. One company I worked for was a security company, and we did a lot of patching on everything. It was designed around security and email hosting, and uptime was pretty much whatever we wanted it to be. I have had a couple of times when the uptime was bad, but it was caused by a third-party solution. In fact, the Norton antivirus was definitely the worst. Red Hat had nothing to do with it.

Read full review

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."

"Red Hat Enterprise Linux's most valuable feature is its seamless integration with Kubernetes, a powerful platform for automating the deployment, scaling, and management of containerized applications."

"I like its integrations. I would put it higher than any other Linux version when it comes to availability. Its integrations with different applications and solutions are the best. We work with a lot of clients that use RHEL, and we could easily and quickly integrate any cloud solution, virtualization solution, storage solution, or software with the RHEL system. It is better than the other solutions we have worked with."

"Red Hat Insights provides good visibility and proactive management of our environment."

"Red Hat Enterprise Linux is an enterprise-grade solution where we receive regular security patches and proper support."

"Red Hat Enterprise Linux has increased our productivity by making monitoring more manageable and allowing us to be more proactive."

"The most valuable features for us are the flexibility and security that Red Hat Enterprise Linux provides."

"The support and stability provided by Red Hat Enterprise Linux contribute significantly to its value."

"Its security is the most valuable. It is very stable and has many features. It also has good performance. Some of our clients were using Windows servers and products. I suggested Red Hat Linux to them and described the features. They switched to it, and they really loved it. There were around 50 servers in my last company, and they switched all those servers from Windows to Red Hat. I used to manage those servers."

More Red Hat Enterprise Linux (RHEL) pros

Cons

"The development teams could sharpen their skills. They should offer applications on the net."

"We had issues migrating from the old to the new RHEL version in the virtual environment. It forced us to spin up a new virtual environment to have the new RHEL version."

"I agree that, when first downloading it, it makes sense that I have to provide my information. But when I want to update, it shouldn't be necessary. Sometimes, I'm just doing a proof of concept and once I'm finished, the server is gone... If Red Hat would remove that requirement, that would be great."

"One of the suggestions I have for improving Red Hat Enterprise Linux (RHEL) is finding better solutions around domain authentication, as we are facing several issues with our current methods."

"The locking down of package repositories behind subscription paywalls was upsetting."

"Sometimes, the platform would be very slow, making it difficult to open labs."

"There's an operating system called EdgeOS, which is an edge operating system used by edge computing nodes in the cloud. If RHEL had a version incorporating EdgeOS-type functions, that would be great. Otherwise, you have to learn a little bit of EdgeOS to work with those nodes."

"In the past and with older versions, you couldn't expand the root file system without rebooting the server or restarting the operating system. That is something that they have actually corrected now, which is great. They corrected that issue somewhere around RHEL 7."

"While their documentation is helpful, it can be frustrating to be referred to it instead of receiving direct assistance from a support representative."

More Red Hat Enterprise Linux (RHEL) cons

Pricing and Cost Advice

Information not available

"Red Hat Enterprise Linux licensing is quite costly, but I personally do not deal with pricing."

"It's expensive."

"The pricing is great for virtual systems."

"We are a huge VMware shop. Our licensing cost works well with Red Hat. We license based on the data center. The way our license works is that we can run as many Red Hat VMs as we want and pay for a single license. On the VMware side, we gain a lot, and it makes much more sense."

"While expensive, Red Hat Enterprise Linux offers efficiency and performance."

"The price for Red Hat Enterprise Linux is reasonable."

"The licensing is a bit odd because we need to procure the licenses from a third party."

"I am not involved in the pricing, but it is not very expensive."

More Red Hat Enterprise Linux (RHEL) pricing and cost advice

See which vendors are best for you

Use our free recommendation engine to learn which Operating Systems (OS) for Business solutions are best for your needs.

See recommendations

860,711 professionals have used our research since 2012.

Comparison Review

it_user281973

Storage and VMware Expert at a comms service provider with 1,001-5,000 employees

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…

Read full review

Top Industries

By visitors reading reviews

Computer Software Company

26%

Manufacturing Company

12%

Financial Services Firm

Comms Service Provider

Computer Software Company

15%

Manufacturing Company

11%

Financial Services Firm

10%

Government

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

No data available

Questions from the Community

Ask a question

Earn 20 points

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...

See all answers

What do you like most about Red Hat Enterprise Linux (RHEL)?

It is open source. We can customize it as per our requirements.

See all answers

What is your experience regarding pricing and costs for Red Hat Enterprise Linux (RHEL)?

It's expensive.

See all answers

Comparisons

Ubuntu Linux vs Flatcar Container Linux

Compared 50% of the time

Alpine Linux vs Flatcar Container Linux

Compared 19% of the time

CentOS vs Flatcar Container Linux

Compared 8% of the time

SUSE Linux Enterprise vs Flatcar Container Linux

Compared 7% of the time

Debian vs Flatcar Container Linux

Compared 5% of the time

More Flatcar Container Linux Competitors

SUSE Linux Enterprise vs Red Hat Enterprise Linux (RHEL)

Compared 22% of the time

Windows Server vs Red Hat Enterprise Linux (RHEL)

Compared 15% of the time

Rocky Linux vs Red Hat Enterprise Linux (RHEL)

Compared 14% of the time

Oracle Linux vs Red Hat Enterprise Linux (RHEL)

Compared 9% of the time

Ubuntu Linux vs Red Hat Enterprise Linux (RHEL)

Compared 9% of the time

More Red Hat Enterprise Linux (RHEL) Competitors

Product Reports

Buyer's Guide

Operating Systems (OS) for Business

June 2025

Download Flatcar Container Linux product report

Buyer's Guide

Red Hat Enterprise Linux (RHEL)

June 2025

Download Red Hat Enterprise Linux (RHEL) product report

Also Known As

No data available

Red Hat Enterprise Linux, RHEL

Overview

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.

Kinvolk

Red Hat Enterprise Linux is recognized for its stability, security, and performance, serving diverse industries with its robust support and seamless cloud deployment capabilities.

Red Hat Enterprise Linux provides comprehensive server applications across cloud environments, featuring tools like Ansible for enhanced user experience. It integrates OpenShift, Identity Management, and automation, supported by extensive documentation. Users seek easier upgrades, enhanced network virtualization support, and improved live patching.

What are the key features of Red Hat Enterprise Linux?

Stability and Security: RHEL is designed to provide a stable and secure environment, backed by consistent updates.
Cloud Deployment: Easily deployable across cloud platforms, enhancing flexibility.
Integration with Ansible: Enhances operational efficiency with powerful automation tools.
OpenShift and Containerization: Supports modern app development with integrated OpenShift features.
Extensive Documentation: Offers comprehensive resources for users to troubleshoot and optimize.

What are the benefits of using Red Hat Enterprise Linux?

Reliable Support: Benefit from extensive support options for seamless operation.
Enhanced Security: Built-in features ensure data integrity and protection.
Increased Flexibility: Suitable for diverse deployment environments, including on-premises and cloud.
Operational Efficiency: Tools like automation and cloud navigation improve productivity.
Training and Resources: Access to comprehensive training contributes to smoother implementations.

In sectors like finance, telecommunications, and education, Red Hat Enterprise Linux is crucial for running stable, secure systems. Its application spans web servers, data management, and containerization through tools like Kubernetes. Organizations adopt it for on-premises, virtualized, and cloud environments, ensuring robust infrastructure management.

Red Hat

Sample Customers

CISCO, mettle, Microsoft, Upguard, GMX

Travel Channel, Mohawk Industries, Hilti, Molecular Health, Exolgan, Hotelplan Group, Emory University, BlueCross BlueShield of North Carolina, HCA Healthcare, Paychex, UPS, Intermountain Healthcare, Brinker International, TransUnion, Union Bank, CA Technologies

Buyer's Guide

Operating Systems (OS) for Business

June 2025

Download Free Report

Find out what your peers are saying about Red Hat, Canonical, Oracle and others in Operating Systems (OS) for Business. Updated: June 2025.

DOWNLOAD NOW

860,711 professionals have used our research since 2012.

See our list of best Operating Systems (OS) for Business vendors.

We monitor all Operating Systems (OS) for Business reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.