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Docker Daemon Monitoring with Prometheus

Prometheus is capable of monitoring a wide variety of systems and infrastructures, including Docker. In this lab, you will have the opportunity to set up Prometheus to monitor a Docker daemon. This will give you some hands-on experience with the process of monitoring Docker daemons with Prometheus.

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 45m
Last updated
Clock icon Jul 15, 2025

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Table of Contents

  1. Challenge

    Configure the Docker Daemon to Serve Prometheus Metrics

    1. Log in to the Docker server.

    2. Edit the Docker config file:

      sudo vi /etc/docker/daemon.json

    3. Add configuration to enable experimental mode and set the metrics address:

      {
  "experimental": true,
  "metrics-addr": "10.0.1.102:9323"
}

    4. Restart Docker to load the new configuration:

      sudo systemctl restart docker

    5. Verify Docker is serving Prometheus metrics:

      curl 10.0.1.102:9323/metrics

  2. Challenge

    Configure Prometheus to Scrape Docker Metrics

    1. Log in to the Prometheus server.

    2. Edit the Prometheus config:

      sudo vi /etc/prometheus/prometheus.yml

    3. Under the scrape_configs section, add a scrape configuration for Docker:

      - job_name: 'Docker'
  static_configs:
  - targets: ['limedrop-docker:9323']

    4. Restart Prometheus to load the new configuration:

      sudo systemctl restart prometheus

    5. Use the expression browser to verify you can see Docker metrics in Prometheus. You can access the expression browser in a web browser at http://<PROMETHEUS_SERVER_PUBLIC_IP>:9090.

    6. Run a query to view some Docker metric data:

      engine_daemon_container_states_containers
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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.
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