AWS Certified CloudOps Engineer - Associate
Deploying the CloudWatch Agent
Why memory and disk metrics never appear on their own, and how to install, configure, and troubleshoot the unified CloudWatch agent across an EC2 fleet using Systems Manager and Parameter Store.
Intermediate 20 minutes 6 Learning Objectives
- Explain why EC2 cannot publish in-guest metrics without an agent
- Identify the IAM permissions the agent needs on the instance and on the machine that stores its configuration
- Install the agent across a fleet using Systems Manager rather than by hand
- Read and modify the three sections of an agent configuration file
- Store an agent configuration in Parameter Store and load it with amazon-cloudwatch-agent-ctl
- Diagnose the common causes of an agent that reports nothing