# 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**.
