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

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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, Microsoft and others in Operating Systems (OS) for Business.
To learn more, read our detailed Operating Systems (OS) for Business Report (Updated: November 2022).
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Featured Review
Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
"Flatcar's support is good. The version I am using is stable and allows us to make needed changes."

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"The AppStream feature provides access to up-to-date languages and tools in a way that interoperates with third-party source code. It makes it a lot easier to maintain that, as well as keeps our developers happy by having newer versions of development languages available.""User friendly with good compatibility.""It enables us to achieve security compliance. Our security team is quite happy, especially in terms of patching up our servers, etc. It's compliant with our security requirements.""The solution is very stable, reliable, easy to use, and has good technical support.""One of the most important features is the package manager. It provides the ability to very easily roll back transactions when something has gone wrong. It is an easy-to-use tool that helps me in situations where something unexpected has happened. I found that this was one of the solution's major advantages over other distributions.""It is a good operating system. It is very stable. It does not take a lot of maintenance. You set it up well and it runs.""Customer support is valuable.""The feature that I like the most is that we can integrate it easily with our existing infrastructure. We found that it is much easier to deploy RHEL in our environment compared to a competing distribution like Ubuntu."

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

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"The vulnerability assessment part should also be improved. We do a lot of patching regularly. They try to fix an issue very quickly, and we also end up facing bugs that are not properly documented. When releasing the general availability for a particular solution, they need to do a lot more work on their side.""It could be a bit more user-friendly. It could also be cheaper.""I would like to see additional features, including automation and the introduction of AI/ML-based tools within Red Hat to handle manual tasks that humans are required to do.""I'm also using IBM AIX, which supports a tool called Smitty. You just put Smitty, and you can do anything. At the backend, the command will run automatically. It is not exactly like a GUI, but you just give the input and it will give you the output. That is something that Red Hat should work on. That would be an added advantage with Red Hat.""I would like Insight to include some features from OpenSCAP, which they offer for compliance services. I played with it a little bit, but haven't gotten the updated setup to get that. It creates excellent documentation.""The price is something that can be improved, as they are still being undercut.""The Cockpit interface needs improvement with more features. The information for implementing Red Hat Cluster could be also improved. And there could also be better performance monitoring.""The cost could be lowered. We don't use RHEL in the cloud because Ubuntu is cheaper. Ubuntu factors support costs into the license when you're running it in the cloud, and it's a fraction of the cost of what RHEL is. I'm also not sure if RHEL supports open-source products. If they do, they don't advertise it. Adding stuff like Apache and other open-source tools like Tomcat to their support portfolio would help."

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Pricing and Cost Advice
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  • "Red Hat Linux is inexpensive. Linux solutions are generally inexpensive."
  • "RHEL is expensive."
  • "Because it is a subscription, you can go elastic. This means you can buy a year, then you can skip a year. It is not like when you buy something. You don't buy it. You are paying for the support on something, and if you don't pay for the support on something, there is no shame because there are no upfront costs. It changes the equation. However, we have such growth right now on the Linux platform that we are reusing and scavenging these licenses. From a business standpoint, not having to buy, but just having to pay for maintenance, changes a lot of the calculations."
  • "We have a site license on a yearly basis. Generally, we're okay with its price, but everything could be cheaper."
  • "The licensing with Red Hat is on par with other organizations like Microsoft. We have a site license, which gives us a certain number of servers, perhaps 25,000, for the type of license that we have. That works really well for us."
  • "We are an educational institution and as such, what we pay is less than the average company."
  • "It is more expensive than other vendors in terms of pricing and licensing, but because of its stability, I have to go with it."
  • "If you don't buy the Red Hat subscription, you don't get technical support, and you don't have all the updates. To have everything working like a charm, the cost that you pay for it is worth it. In Bolivia, we don't have the best internet connection. Therefore, we have a local service with all the packages, repositories, etc. We manage them locally, and because we have a subscription, we can update them. So, we have local repositories with all the packages and other things to make it easy for us to update all the servers. Without the Red Hat subscription, we cannot update anything."
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    Questions from the Community
    Top Answer:Flatcar's support is good. The version I am using is stable and allows us to make needed changes.
    Top Answer:The development teams could sharpen their skills. They should offer applications on the net.
    Top Answer:I would rate the solution an eight out of ten.
    Top Answer: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… more »
    Top Answer:The integrated solution approach reduces our TCO tremendously because we are able to focus on innovation instead of operations.
    Top Answer:RHEL is a great place to go. They have a great thing that is not very well-known, which is called the Learning Subscription, which is a one-year all-you-can-drink access to all of their online… more »
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    Also Known As
    Red Hat Enterprise Linux, RHEL
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    Flatcar Container Linux
    Commercially supported Linux distribution designed for container workloads; a drop-in replacement for CoreOS Container Linux

    To put your enterprise in a position to win, you have to break down the barriers that hold you back. With Red Hat Enterprise Linux, a platform with unparalleled stability and flexibility, you can reallocate your resources toward meeting the next challenges instead of just maintaining the status quo.

    For SAP workloads, Red Hat Enterprise Linux for SAP Solutions combines the reliability, scalability, and performance of Linux with technologies that meet the specific requirements of SAP workloads. It’s certified for integration with SAP S/4HANA and built on the same foundation as the world’s leading enterprise Linux platform, Red Hat Enterprise Linux.  For more information on Red Hat's portfolio of solutions for SAP workloads visit www.redhat.com/sap.

    Learn more about Flatcar Container Linux
    Learn more about Red Hat Enterprise Linux (RHEL)
    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
    Top Industries
    Comms Service Provider25%
    Computer Software Company17%
    Manufacturing Company8%
    Financial Services Firm12%
    Computer Software Company12%
    Comms Service Provider9%
    Computer Software Company16%
    Comms Service Provider14%
    Financial Services Firm8%
    Company Size
    Small Business15%
    Midsize Enterprise19%
    Large Enterprise67%
    Small Business29%
    Midsize Enterprise16%
    Large Enterprise55%
    Small Business18%
    Midsize Enterprise15%
    Large Enterprise67%
    Buyer's Guide
    Operating Systems (OS) for Business
    November 2022
    Find out what your peers are saying about Red Hat, Canonical, Microsoft and others in Operating Systems (OS) for Business. Updated: November 2022.
    654,658 professionals have used our research since 2012.

    Flatcar Container Linux is ranked 11th in Operating Systems (OS) for Business with 1 review while Red Hat Enterprise Linux (RHEL) is ranked 1st in Operating Systems (OS) for Business with 39 reviews. Flatcar Container Linux is rated 8.0, while Red Hat Enterprise Linux (RHEL) is rated 8.8. The top reviewer of Flatcar Container Linux writes "The solution is stable and allows us to make needed changes". On the other hand, the top reviewer of Red Hat Enterprise Linux (RHEL) writes "Feature-rich, good integration, stable, easy to deploy, and the security is kept up to date". Flatcar Container Linux is most compared with Ubuntu Linux, CentOS, Amazon FreeRTOS and SUSE Linux Enterprise, whereas Red Hat Enterprise Linux (RHEL) is most compared with Windows Server, Ubuntu Linux, SUSE Linux Enterprise and Oracle Linux.

    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.