Operations

What is AWS Systems Manager? A collection of tools to manage and operate your infrastructure (EC2, on-premises servers, containers) at scale. Core concept: SSM Agent runs on your instances and communicates with SSM service—no inbound ports needed. Key Capabilities Category Capability What it does Node Management Fleet Manager View and manage all servers from one console Session Manager SSH/RDP without opening ports or managing keys Run Command Execute scripts on multiple instances at once Patch Manager Automate OS and application patching State Manager Keep instances in a defined configuration state Operations OpsCenter Central place to view and resolve operational issues Incident Manager Manage and respond to incidents Explorer Dashboard showing operational data across accounts Application Management Parameter Store Store config values and secrets (free tier available) AppConfig Deploy application configuration safely with rollback Change Management Automation Run multi-step runbooks Change Manager Approve and track operational changes Maintenance Windows Schedule operations during defined time windows Run Command Execute commands on multiple instances without SSH. ...