Hardened Rocky Linux 9 (Blue Onyx) for x86_64

01 · PRODUCT RECORD

View the Rocky Linux 9 (Blue Onyx) product overview · Need the other architecture? Review ARM64 / Graviton.

02 · AWS MARKETPLACE

Continue to the matching Citadel Security listing.

AWS Marketplace is the commercial source of truth for current price, terms, regions, compatible instance types, and subscription.

03 · EVALUATION PATH

Validate the image against the workload before production.

1. 01
   Confirm the architecture.

   Choose x86_64, or ARM64 for AWS Graviton.

2. 02
   Review the AWS listing.

   Confirm current price, terms, regions, release details, and compatible instance types on Marketplace.

3. 03
   Launch outside production.

   Run the real bootstrap, agents, dependencies, application deployment, and security validation.

4. 04
   Retain the release evidence.

   Keep the applicable image record and your workload-specific validation with the assessment evidence.

04 · RESPONSIBILITY BOUNDARY

The image addresses the operating-system layer—not the entire PCI environment.

Citadel maintains the image-level baseline described by the selected product. Your team remains responsible for the application, cloud architecture, identity, networking, logging, deployment, operational controls, retained evidence, and assessor decisions.