Systems Manager

Run Command

• Enable Quick setup on 1 windows & 1 linux instance
• Run any command from the list of systems manager documents. In the above case we have tried to install apache server without connecting from ssh & getting the work done by SSM agent

Session Manager

• This is fully managed AWS Systems Manager capability that lets you manage ec2 instances, on-premise through an interactive one-click browser shell or through aws CLI
• Install necessary plugins for the AWS CLI Refer Here

Patch Manager

• This capability automates the process of patching managed instances with both security related and other types of updates.

State Manager:

• This is a secure and scalable configuration management service that automates process of keeping your infra in the state which you define.
• As part of state manager, you can use
  1. Powershell DSC
  2. Chef
  3. Ansible Playbooks

Distributor

• This capability lets you package your own software.
• After you create a package in Distributor, which internally creates a System manager document, you can install package by
  • Run commmand
  • Schedule using state manager.

Compliance

• This capability lets you scan managed instances for patch compliance and configuration inconsistencies.

Maintenance Windows

• This capability lets you define the schedule for when to perform actions your instances which might have downtime

AWS Systems Manager Document

• Creating an SSM Document Refer Here
• SSM document can be written as a Json or YAML document Refer Here for syntax
• Refer Here for sample ssm document