Monitoring Amazon Linux 2 with Cost Explorer and Docker

calendar Dec 16, 2025 · 2 min read · Tech News  ·
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Monitoring Amazon Linux 2 with Cost Explorer and Docker

Introduction

Amazon Linux 2 is a popular operating system used in cloud computing, and monitoring its performance and resource utilization is essential for efficient management. In this article, we will discuss how to monitor Amazon Linux 2 instances using Cost Explorer and Docker.

Prerequisites

Before you start monitoring your Amazon Linux 2 instances, ensure that:

  • You have an AWS account with the necessary permissions.
  • Your Amazon Linux 2 instances are running in a VPC.
  • You have installed Docker on your instance (if not already installed).

Step 1: Enable Cost Explorer

To monitor your costs and optimize your resource utilization, enable Cost Explorer.

  1. Log in to the AWS Management Console.
  2. Navigate to the Cost Explorer dashboard.
  3. Click on "Get started" and follow the instructions to set up Cost Explorer.

Step 2: Install Docker

Docker is a containerization platform that helps you deploy and manage applications in isolated environments. To install Docker on your Amazon Linux 2 instance:

  1. Update the package list using sudo yum update.
  2. Install Docker using sudo yum install docker.
  3. Start the Docker service using sudo systemctl start docker.

Step 3: Monitor with Cost Explorer

Cost Explorer provides a detailed view of your costs and resource utilization. To monitor your Amazon Linux 2 instances:

  1. Navigate to the Cost Explorer dashboard.
  2. Click on "Create a report" and select "Amazon EC2 instances".
  3. Choose the metrics you want to track, such as CPU usage or memory consumption.

Step 4: Use Docker for Monitoring

Docker provides a lightweight way to monitor your applications and services. To use Docker for monitoring:

  1. Create a new Docker container using docker create -t <image_name>.
  2. Map the container's port to the host machine using docker run -p <host_port>:<container_port>.
  3. Use Docker's built-in monitoring tools, such as docker stats, to track your application's performance.

Step 5: Integrate with AWS DocumentDB

AWS DocumentDB is a document-oriented database service that provides high-performance and durability. To integrate your Amazon Linux 2 instance with DocumentDB:

  1. Create an AWS DocumentDB instance.
  2. Install the AWS CLI on your instance using sudo yum install aws-cli.
  3. Configure the AWS CLI using aws configure.
  4. Use the AWS CLI to connect to your DocumentDB instance.

Conclusion

Monitoring your Amazon Linux 2 instances is crucial for efficient management and cost optimization. In this article, we discussed how to monitor your instances using Cost Explorer and Docker. By following these steps, you can ensure that your applications are running smoothly and that you're getting the most out of your AWS resources.

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