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    Ubuntu 25.10 - Questing

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    Deployed on AWS
    AWS Free Tier
    An interim Ubuntu Linux release optimized for AWS. This production-quality version lets you try the latest open source software before the next LTS, with 9 months of support.

    Overview

    Ubuntu is the world's most popular Linux for cloud environments and is suitable for small to large-scale Linux operations. Ubuntu Server optimized for use on AWS is designed by Canonical (the publishers of Ubuntu). For more information, visit https://ubuntu.com/aws .

    Interim releases, issued every 6 months, introduce new features from Canonical and upstream open source projects. They serve as a proving ground for early adopters, testers, and users who need the latest runtimes, kernels, and libraries before the next LTS.

    Ubuntu is free and will always be, with the option to access additional security, management tools and technical support when you need it through additional commercial offerings from Canonical.

    Why developers and devops choose Ubuntu Server optimized for use on AWS

    • Production ready: Ubuntu is the leading Linux in the public cloud with > 50% of Linux workloads
    • Developer friendly: Ubuntu is the #1 Linux for developers offering the latest library and tools to innovate with the latest technologies
    • No mandatory licenses: Ubuntu Server is freely available, with no mandatory licenses and unlimited VMs
    • Non-stop security: Canonical publishes images on a daily basis, ensuring security is built-in from the moment an instance launches
    • Optimized performance: optimized kernel, with improved boot speed, outstanding runtime performance and advanced device support
    • Portability: Ubuntu is available in all regions with content mirrors to avoid the need to go across regions or out to the Internet for updates

    For professional environments or applications where additional security and compliance would be beneficial, or where you might want to continue using the environment beyond, Canonical recommends an Ubuntu pro subscription (learn more at https://ubuntu.com/aws/pro ).

    Highlights

    • Interim release with support through July 2026
    • Includes Linux Kernel 6.17
    • Updated toolchains: Python 3.13, Go 1.24, Rust 1.85, LLVM 20

    Details

    Delivery method

    Delivery option
    64-bit (x86) Amazon Machine Image (AMI)

    Latest version

    Operating system
    Ubuntu 25.10 - Questing

    Deployed on AWS
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    Pricing

    Ubuntu 25.10 - Questing

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    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.
    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.

    AI Insights

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    Dimensions summary

    You pay nothing for the software itself; this Ubuntu image is free of license fees. Pricing is billed per hour and tied entirely to the AWS EC2 instance type you run it on. Each dimension maps to a specific instance size, from small burstable types like t2.nano and t3.micro up to large compute, memory, storage, and GPU-optimized machines like c8i.metal-96xl or p5.48xlarge. Your hourly cost scales with the instance you choose, matching its CPU, memory, and hardware capacity. Select the instance that fits your workload; larger or specialized instances carry higher hourly rates. You run as many instances as needed.

    Top-of-mind questions for buyers

    Each dimension maps to one specific AWS EC2 instance type. The hourly rate covers the Ubuntu software running on one instance of that size. You are billed per instance-hour. Running two instances of the same type doubles the software charge. The rate reflects that instance's CPU, memory, and hardware class.
    The hourly software charge applies while the instance runs. Fully stopped instances do not accrue software fees. Note that underlying AWS storage costs may still apply to stopped instances, but the Ubuntu image itself meters running hours only.
    No license fee applies to the Ubuntu image. Ubuntu Server images on public clouds carry no license fees regardless of how many you run. Your cost reflects the AWS EC2 instance type you choose, not the operating system software.
    cloud.ubuntu.com
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    Vendor refund policy

    No refunds will be issued for usage of this product.

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    Legal

    Vendor terms and conditions

    Upon subscribing to this product, you must acknowledge and agree to the terms and conditions outlined in the vendor's End User License Agreement (EULA) .

    Content disclaimer

    Vendors are responsible for their product descriptions and other product content. AWS does not warrant that vendors' product descriptions or other product content are accurate, complete, reliable, current, or error-free.

    Usage information

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    Delivery details

    64-bit (x86) 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

    Automated version update for new release

    Additional details

    Usage instructions

    The default username for SSH access is 'ubuntu', and the default port is 22. You can connect to the instance either by opening port 22 in your security group or by using EC2 Instance Connect. For detailed connection instructions, refer to the AWS documentation: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/connect-to-linux-instance.html 

    You can find the official Ubuntu Server documentation at: https://documentation.ubuntu.com/server/ 

    For Ubuntu topics specific to AWS, visit: http://documentation.ubuntu.com/aws 

    Support

    Vendor support

    This product is free to use and receives support for nine months. For longer support, consider choosing an Ubuntu LTS or Pro release. Phone and ticket support are available only with an Ubuntu Pro subscription on an LTS version. For more information, visit

    AWS infrastructure support

    AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.

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