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



AWS SYSTEMS MANAGER


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AWS SYSTEMS MANAGER HAS A FEATURE CALLED SESSIONS MANAGER
WITH SESSIONS MANAGER THERE ARE NO OPEN INBOUND PORTS AND NO NEED TO MANAGE BASTION HOSTS OR SSH KEYS


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AT THE CORE OF SYSTEMS MANAGER IS A CONCEPTS CALLED DOCUMENTS.

THEY ARE JSON FILES THAT YOU WRITE THAT CONTAINS A LIST OF COMMANDS THAT THAT YOU WANT SYSTEMS MANAGER TO DO FOR YOU.

YOU CAN THEN DELIVER THAT DOCUMENT TO A SERVICE. IN THE PICTURE EXAMPLE TO THE RIGHT YOU DELIVER A DOCUMENT TO A SERVICE CALLED THE RUN COMMAND AND THEN THE RUN COMMAND WILL EXECUTE THAT DOCUMENT ON THE ENTIRE FLEET OF SERVERS THAT YOU DEFINE.



AUTOMATION - PERFORM COMMON IT TASKS

https://docs.aws.amazon.com/systems-manager/latest/userguide/systems-manager-automation.html

DOCUMENTS - DEFINES THE ACTIONS THAT SYSTEMS MANAGER PERFORMS ON YOUR MANAGED INSTANCES

https://docs.aws.amazon.com/systems-manager/latest/userguide/sysman-ssm-docs.html

PATCH MANAGER - AUTOMATES THE PROCESS OF PATCHING MANAGED INSTANCES

https://docs.aws.amazon.com/systems-manager/latest/userguide/systems-manager-patch.html

PARAMETER STORE - YOU CAN STORE PASSWORDS, DATABASE STRINGS AND LICENSE CODES AS PARAMETER VALUES

https://docs.aws.amazon.com/systems-manager/latest/userguide/systems-manager-parameter-store.html

INVENTORY - COLLECTS INFORMATION ABOUT YOUR INSTANCES AND THE SOFTWARE INSTALLED ON THEM

https://docs.aws.amazon.com/systems-manager/latest/userguide/systems-manager-inventory.html

MAINTENANCE WINDOWS - LETS YOU DEFINE A SCHEDULE WHEN YOU WANT TO PATCH AN OPERATING SYTEM, UPDATE DRIVERS OR INSTALL SOFTWARE

https://docs.aws.amazon.com/systems-manager/latest/userguide/systems-manager-maintenance.html

STATE MANAGER - AUTOMATES THE PROCESS OF KEEPING YOUR EC2 AND HYBRID INFRASTRUCTURE IN A STATE YOU DEFINE

https://docs.aws.amazon.com/systems-manager/latest/userguide/systems-manager-state.html

RUN COMMAND - LETS YOU REMOTELY AND SECURELY MANAGE THE CONFIGURATION OF YOUR MANAGED INSTANCES

https://docs.aws.amazon.com/systems-manager/latest/userguide/execute-remote-commands.html