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Flatcar Container Linux is a lightweight operating system optimized for running containers. Designed for use in modern distributed infrastructure, Flatcar is automatically updated with the latest system software to reduce operational complexity associated with traditional OS management.
2.5
Overview
Flatcar Container Linux is a self-updating operating system designed for containers, making it ideal for running Kubernetes and other container platforms. It is suitable for anyone deploying containerized applications, particularly those seeking to do so securely or at scale.
Flatcar Container Linux offers several benefits over traditional Linux operating systems: Security, Reduced complexity, Automated updates.
Deploying a container-optimized OS like Flatcar is recommended by NIST in its application container security guide: "Whenever possible, organizations should use these minimalistic OSs to reduce their attack surfaces and mitigate the typical risks and hardening activities associated with general-purpose OSs."
Flatcar is free and open source, with a discussion forum for community users.
Highlights
- Deploying a container-optimized OS like Flatcar is recommended by NIST in its application container security guide
- Automatic updates deliver security and bug-fix patches without the need for patch management
- Reduce security exposure by using a minimal, immutable container OS
Details
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Delivery method
Delivery option
64-bit (Arm) Amazon Machine Image (AMI)
Latest version
Operating system
OtherLinux 4372.0.1
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Pricing
This product is available free of charge. Free subscriptions have no end date and may be canceled any time.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
Dimensions summary
This software is free to use, so you pay no charge for the operating system itself. Pricing is billed per hour, and each dimension maps to a specific ARM-based AWS EC2 instance type. You choose the instance size and family that fits your workload, from small options like t4g.nano to larger ones like c6gn.16xlarge. Your hourly cost reflects the AWS compute you run, not the Flatcar Container Linux software. Storage-optimized, compute-optimized, memory-optimized, general-purpose, and graphics-capable instance families are all available, letting you match hardware to your container workload needs.
Top-of-mind questions for buyers
Each hourly unit maps to one running ARM-based EC2 instance of the type named in the dimension. The Flatcar Container Linux software is free, so your hourly charge reflects only the AWS compute you run. You pick the instance family and size that fits your workload.
The software itself is free, so no software charge accrues in any state. Hourly billing tracks running compute time only. Stopped or powered-off instances do not accrue running charges, though underlying AWS storage fees may still apply separately.
Each dimension is a distinct ARM-based EC2 instance family and size. Compute-optimized families suit processing-heavy tasks, memory-optimized handle large in-memory data, storage-optimized target local disk needs, and graphics-capable families support visual workloads. Match the family and size to your container workload's resource demands.
www.flatcar.org
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Delivery details
64-bit (Arm) Amazon Machine Image (AMI)
Amazon Machine Image (AMI)
An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
Additional details
Usage instructions
You can spin up single instances of Flatcar Container Linux using the instructions here: https://www.flatcar.org/docs/latest/installing/cloud/aws-ec2/
Flatcar Container Linux supports a declarative provisioning using the Config format. Learn more from https://www.flatcar.org/docs/latest/provisioning/
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Support
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Flatcar Container Linux is a lightweight operating system optimized for running containers. Designed for use in modern distributed infrastructure, Flatcar is automatically updated with the latest system software to reduce operational complexity associated with traditional OS management.
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Flatcar Container Linux is a lightweight operating system optimized for running containers. Designed for use in modern distributed infrastructure, Flatcar is automatically updated with the latest system software to reduce operational complexity associated with traditional OS management.
Customer reviews
Banking
Flatcar is a good light OS for Linux box
Reviewed on Dec 02, 2021
Review provided by G2
What do you like best about the product?
The easy of deploying and installing the OS
What do you dislike about the product?
Nothing to mention as a dislike of flatcar
What problems is the product solving and how is that benefiting you?
It's helpful in constructing restful app and pods of a big application