May 5, 2026 - This means that once the amiFamily field has been changed, Karpenter will automatically update your worker nodes to the latest AMI when available. When utilizing an EKS-optimized Amazon Linux 2023 AMI or building a Custom EKS Amazon Linux 2023 AMI via the Packer scripts provided in the official ...

May 22, 2026 - Checking for, getting notified of, and managing package and OS updates in AL2023.

There is a high degree of compatibility ... Linux 2 and Amazon Linux 2023 platforms. Although there are some differences to note: Instance Metadata Service Version 1 (IMDSv1) – The DisableIMDSv1 option setting defaults to true on AL2023 platforms. The default is false on AL2 platforms. pkg-repo instance tool – The pkg-repo tool is not available for environments running on AL2023 platforms. However, you can still manually apply package and operating system updates to an AL2023 ...

3 weeks ago - After end of support, AL2 won't receive security updates or produce new patches. If you run AL2, then migrate to Amazon Linux 2023 (AL2023) before the end-of-support date. Test migrated applications in a non-production environment first.

December 25, 2023 - It is not possible to directly upgrade from Amazon Linux 2 to Amazon Linux 2023, so basically you need to migrate by building Amazon Linux 2023 from scratch. For example, it is necessary to identify the middleware that is currently installed ...

1 week ago - Check end-of-life, release policy and support schedule for Amazon Linux.

February 8, 2026 - AWS declares that Amazon Linux ... https://aws.amazon.com/linux/amazon-linux-2023/ After June 30, 2026, AWS will not release any new package updates or security patches for AL2....

Complete End of Life (EOL) occurs ... AMI is updated. Amazon Linux 2023 provides a secure-by-default approach with preconfigured security policies, SELinux in permissive mode, IMDSv2-only mode enabled by default, optimized boot times, and improved package management for enhanced security and performance. There is a high degree of compatibility between the Amazon Linux 2 and Amazon Linux 2023 Amazon ECS-optimized AMIs, and most customers will experience minimal-to-zero changes ...

This information applies to AL2. For information about AL2023, see Manage packages and operating system updates in AL2023 in the Amazon Linux 2023 User Guide.

Amazon Linux 2023 release notes, which provide information about new features, updates, and fixes.

January 4, 2024 - Updates Information Summary: available ... 2 Medium Security notice(s) Security: kernel-6.1.134-150.224.amzn2023.x86_64 is an installed security update Security: kernel-6.1.119-129.201.amzn2023.x86_64 is the currently running version , #_ ~\_ ####_ Amazon Linux 2023 ~~ \_#####\ ...

July 21, 2025 - Kubernetes version 1.32 is the last version that Amazon will support AL2 updates until November. If you plan to upgrade to Kubernetes version 1.33, you will need to use Amazon Linux 2023 (AL2023) to receive security patches.

March 31, 2026 - If you have an instance with Linux 2 that you want to upgrade, here is the shortest way to do it, while keeping all the network configuration on AWS side: ... Change termination behavior to “Delete on instance termination: Disabled” 3. Terminate ...

November 4, 2025 - Update JVMs and resource monitors that depend on cgroup v1 behavior. ... Ensure all IAM SDKs, agents, or tools use IMDSv2 session tokens. ... Replace amazon-linux-extras with standard DNF package installs.

2 weeks ago - Amazon Linux 2023 provides a security-focused, stable, high-performance operating system to develop and run cloud applications.

Find the release notes for Amazon Linux 2, which provide information about new features, updates, and fixes.

September 19, 2023 - In-place upgrade from AL2 to AL2023 is not supported. Please include that in the AL2023 FAQ same like AL2 FAQ. (https://aws.amazon.com/linux/amazon-linux-2023/faqs/) We have similar for AL2 FAQ, but not for AL2023 FAQ. https://aws.amazon...

2 weeks ago - Customers need to migrate to Amazon Linux 2023 (AL2023) prior to the AL2’s end of support (EOS) on June 30, 2026 [Refer Q2]. AWS will not launch new Amazon Linux versions in 2025 or 2026. AWS will provide one-year advance notice before launching new OS versions to help you plan your migrations.

Available Versions: Version 2023.6.20241028: Run the following command to upgrade to 2023.6.20241028: dnf upgrade --releasever=2023.6.20241028 Release notes: https://docs.aws.amazon.com/linux/al2023/release-notes/relnotes-2023.6.20241028.html ...