Systems Manager

• Systems Manager is an AWS service that you can use to view and control your infrastructure on AWS.

• Using the Systems Manager console, you can view operational data from multiple AWS services and automate operational tasks across your AWS resources.

• Systems Manager helps you maintain security and compliance by scanning your managed instances and reporting on (or taking action on) any policy violations it detects.

Managed Instance

• A managed instance is a machine that has been configured for use with Systems Manager.

• Systems Manager also helps you configure and maintain your managed instances.

• Supported machine types include EC2 instances, on-premises servers and VMs (including VMs in other cloud environments).

SSM Agent

• Systems Manager Agent (SSM Agent) is Amazon software that can be installed and configured on an EC2 instance, an on-premises server, or a VM.

• SSM Agent makes it possible for Systems Manager to update, manage, and configure these resources.

• SSM Agent must be installed on each instance you want to use with Systems Manager.