AWS CloudWatch

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| By Webner

Amazon Web Services (AWS): Amazon Web Services (AWS) provides a wide range of cloud-based services for businesses and organizations. One of the key challenges of managing AWS resources is monitoring and managing them effectively. AWS CloudWatch is a monitoring and management service that provides a scalable and flexible solution for monitoring AWS resources and applications.

What is AWS CloudWatch?

AWS CloudWatch is a monitoring and management service that provides real-time monitoring and operational insights for AWS resources and applications. It enables you to track metrics, collect and store log files, set alarms, and automatically respond to changes in your AWS resources. AWS CloudWatch provides a unified view of your AWS resources and applications, which makes it easier to manage and monitor them.
AWS CloudWatch provides several features that help you manage and monitor your AWS resources, including:

  • Metric collection and monitoring: AWS CloudWatch allows you to collect and monitor metrics such as CPU utilization, network traffic, and disk usage for your AWS resources and applications.
  • Log file monitoring: AWS CloudWatch allows you to collect and monitor log files for your AWS resources and applications.
  • Alarms: AWS CloudWatch allows you to set alarms that notify you when a metric breaches a certain threshold.
  • Automated actions: AWS CloudWatch allows you to automate actions based on metric values or alarm states.

AWS CloudWatch Example: Monitoring EC2 Instances
Let’s take a look at an example of how AWS CloudWatch can be used to monitor an EC2 instance. In this example, we will monitor the CPU utilization of an EC2 instance and set an alarm if the CPU utilization exceeds 80%.

  1. Create an EC2 instance: First, we need to create an EC2 instance that we want to monitor.
  2. Enable detailed monitoring: Next, we need to enable detailed monitoring for the EC2 instance. This will allow AWS CloudWatch to collect more detailed metrics about the instance, including CPU utilization.
  3. Create a CloudWatch alarm: Next, we need to create a CloudWatch alarm that will notify us when the CPU utilization of the EC2 instance exceeds 80%. We can create an alarm using the CloudWatch console or the AWS CLI.
  4. Configure automated actions: Finally, we can configure automated actions that will be triggered when the alarm state changes. For example, we can configure an automated action to stop the EC2 instance if the CPU utilization exceeds 90%.

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