Create a customer gateway to connect to Amazon S3 Modify the route table of the private subnets to use the customer gateway

Create a gateway VPC endpoint for Amazon S3 Modify the route table of the private subnets to use the gateway VPC endpoint.

Create a NAT gateway in the private subnets. Modify the route table of the subnets to use the NAT gateway.

Create an S3 bucket policy to allow connections from the private subnets. Modify the route table.

Configure an Amazon Lambda function to automatically start the instance if it is stopped

Create an Amazon Machine Image (AMI) of the instance and use the AMI to launch a new instance once the existing instance is retired

Enable termination protection on the EC2 instance

Stop and start the EC2 instance during a maintenance window outside of normal business hours

Configure Amazon CloudWatch Events to filter and forward AWS Health events for disk space utilization to an Amazon SNS topic to notify the Administrator.

Create an AWS Lambda function to describe the volume status for each EC2 instance. Post a notification to an Amazon SNS topic when a volume status is impaired.

Enable detailed monitoring for the EC2 instances. Create an Amazon CloudWatch alarm to notify the

Administrator when disk space is running low.

Use the Amazon CloudWatch agent on the EC2 instances to collect disk metrics. Create a CloudWatch alarm to notify the Administrator when disk space is running low.