How to monitor RAM memory usage of an EC2 Ubuntu instance

Question

In the default monitoring section of the EC2 dashboard, you can see thing likes CPU and Network information, but the RAM usages is not there. Is there a way to add RAM monitoring to an EC2 instance?

Accepted Answer

You can collect metrics from servers by installing the CloudWatch agent on the server. You can install the agent on both Amazon EC2 instances and on-premises servers, and on computers running either Linux, Windows Server, or macOS. If you install the agent on an Amazon EC2 instance, the metrics it collects are in addition to the metrics enabled by default on Amazon EC2 instances.

You can refer to Metrics collected by the CloudWatch agent which lists out the additional metrics that can be captured.

You can refer to [Metrics collected by the CloudWatch agent](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/metrics-collected-by-CloudWatch-agent.html) which lists out the additional metrics that can be captured.

How to monitor RAM memory usage of an EC2 Ubuntu instance

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