Install CloudWatch agent in EC2 Instance
EC2 does not send memory or disk metrics to CloudWatch by default - only CPU, network and status checks. The CloudWatch agent runs inside the instance and collects system-level metrics and logs directly. Prerequisites EC2 instance running (Amazon Linux 2 or Ubuntu) SSH access to the instance - see Connect to AWS SSO and SSH into EC2 Instance Terminal Attach IAM role to the instance The agent needs permission to write metrics and logs to CloudWatch. In the AWS console: ...