aws ec2 enable-image-deregistration-protection
Enables deregistration protection for an AMI. AWS CLI reference
3 options Its page in the AWS CLI reference
Options
--dry-runChecks whether you have the required permissions for the action, without actually making the request, and provides an error response.--image-idThe ID of the AMI.--with-cooldownIf true, enforces deregistration protection for 24 hours after deregistration protection is disabled.