openEuler is an open source platform developed and operated by OpenAtom Foundation. Its unified and open OS supports multiple processor architectures, helping promote a more robust software and hardware ecosystem through joint efforts of the community.
openEuler is an open source platform developed and operated by OpenAtom Foundation. Its unified and open OS supports multiple processor architectures, helping promote a more robust software and hardware ecosystem through joint efforts of the community.
Highlights
All openEuler OS AMI's include cloud-init support. The default cloud user is set up to be 'openeuler'. After the machine is running, you will be able to log in as this user and run privileged commands with sudo.
All openEuler OS images are built with SELinux set to enforcing mode.
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Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
If you are an AWS Free Tier customer with a free plan, you are eligible to subscribe to this offer. You can use free credits to cover the cost of eligible AWS infrastructure. See AWS Free Tier for more details. If you created an AWS account before July 15th, 2025, and qualify for the Legacy AWS Free Tier, Amazon EC2 charges for Micro instances are free for up to 750 hours per month. See Legacy AWS Free Tier for more details.
This listing gives you the openEuler-25.09 operating system for the x86_64 architecture at no software cost. The software itself is free. What you pay is the hourly charge for the AWS EC2 instance you run it on. Pricing scales entirely by instance type. Each dimension maps to one EC2 instance size, billed per hour of use. Smaller instances like t3a.small carry lower hourly rates. Larger instances like p5.48xlarge or memory-heavy types like x2iedn.metal carry higher rates. You pick the instance that fits your workload, and your cost follows that choice and your running hours.
Top-of-mind questions for buyers
What exactly does one hourly dimension cover, and what am I actually paying for?
Each dimension maps to one AWS EC2 instance size, billed per hour it runs. The openEuler-25.09 software itself carries no license fee. Your hourly charge reflects the compute, memory, and storage profile of the instance type you select, not the operating system.
Am I charged when my instance is stopped or powered off?
The software carries no license charge, so the operating system adds no hourly cost. When an instance is stopped, you stop paying the running-hour rate for that instance type. Underlying AWS storage or other AWS resources may still incur separate AWS fees while stopped.
Does my cost change if I move to a larger instance type as my workload grows?
Yes. Cost follows the instance type you run. Switching from a smaller type like t3a.small to a larger type raises your hourly rate to match that instance. The operating system stays free across every type, so only the instance-hour rate changes.
www.openeuler.org
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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
25.09 Release for openEuler
Additional details
Usage instructions
SSH to the instance and log in as 'openeuler' using the key specified at launch.
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openEuler is an open source platform developed and operated by OpenAtom Foundation. Its unified and open OS supports multiple processor architectures, helping promote a more robust software and hardware ecosystem through joint efforts of the community.
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