# AWS Systems Manager

### Features

AWS Systems Manager is for management of AWS Resources. It groups our resources into Resource Groups. It analyse our workloads to gain insights to operational data and it can also let AWS users perform actions on resource groups

Systems Manager Automation enables you to run a sequence of workflows (e.g., AWS API calls, provisioning instances, creating buckets, and firing off Lambda functions) through the convenience of a single SSM Automation document. AWS Automation can helps to automate mundane or repetitive tasks for maintenance or deployment of cloud native or hybrid infrastructure. Via a series of steps/actions defined in either JSON or YAML, SSM Automation offers useful plugins to carry out commands/API calls 

Chief use case is to achieve operational efficiency for the workload running in the cloud. Examples:

* Automation - Creation of golden AMI Image.
* Patch Management  - For deploying specific patches to worklaods in the cloud.
* Run Command - Can be used to execute commands onto all EC2 systems.
* Parameter Store - Can be used to store secrets and other configuration data in hierarchical storage.
* OpsCenter - Can be used to have centralized view to responds to alerts.
* Session Manager - Can be used to connect to private EC2 machines replacing bastion hosts. 

It has many sub services under Systems Manager:

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