[Reference: Installing the CloudWatch Agent on EC2 Instances, Configure the CloudWatch Agent:, Create a CloudWatch agent configuration file to collect disk space metrics., Use the configuration wizard or create a JSON file specifying metrics to be collected, such as free disk space., Reference: Create the CloudWatch Agent Configuration File, Start the CloudWatch Agent:, Start the agent using the configuration file you created., Reference: Starting the CloudWatch Agent, Create CloudWatch Alarms:, In the CloudWatch console, navigate to Alarms and create a new alarm based on the disk space metrics reported by the agent., Set threshold conditions for low disk space and specify actions to be taken when the alarm state is triggered., Reference: Creating Alarms, Set Up Amazon SNS for Notifications:, Create an SNS topic and subscribe your email address to this topic., In the CloudWatch alarm configuration, add the SNS topic as a notification target., Reference: Setting Up Amazon SNS Notifications, By following these steps, you ensure that you receive email alerts when disk space on your EC2 instances is running low, preventing performance issues., , , ]