Apply an agent configuration and patch settings to tagged EC2 instances at regular intervals.
Eliminate instance-by-instance SSH work.
Which Systems Manager feature is most appropriate?
Create a Systems Manager State Manager association to apply and report the desired state regularly.
Detailed explanation
S3 lifecycle management does not configure nodes.
S3 lifecycle management does not configure nodes.
Reachability checks do not apply configuration on a schedule.
Reachability checks do not apply configuration on a schedule.
An association periodically applies the desired configuration to target nodes and reports compliance.
An association periodically applies the desired configuration to target nodes and reports compliance.
CDN settings do not apply an operating-system configuration to EC2.
CDN settings do not apply an operating-system configuration to EC2.
Check official documentation
Compare the following points with the official documentation.
AWS Systems Manager State Manager associationsの公式説明を確認する。
What to confirm
Run Commandの単発実行とState Managerの継続適用を区別できる。
Key points
- State Manager
- Association
- Scheduled configuration
Notes
- Environment: AWS公式SOA-C03試験ガイドとAWS公式ドキュメントの確認
- Confirm current AWS service behavior in the official documentation.
Foundation review
Continuous enforcement
A scheduled association detects and corrects drift over time rather than running once.
Target selection
Tags can identify the node group that should receive the association.