# Monitoring – DigitalOcean Documentation

> DigitalOcean Monitoring is a free, opt-in service that lets you track Droplet resource usage in real time, visualize performance metrics, and receive alerts via email or Slack to proactively manage your infrastructure's health.
- [Monitoring Support](https://docs.digitalocean.com/products/monitoring/support/index.html.md): Get help with technical support and answers to frequently asked questions.



## Getting Started with Monitoring

Quickstarts and intermediate tutorials to get started.

- [Monitoring Quickstart](https://docs.digitalocean.com/products/monitoring/getting-started/quickstart/index.html.md): Just the essentials to go from zero to working in a few minutes.

## Monitoring How-Tos

How to accomplish specific tasks in detail, like creation/deletion, configuration, and management.

- [How to Install the DigitalOcean Metrics Agent](https://docs.digitalocean.com/products/monitoring/how-to/install-metrics-agent/index.html.md): Install the DigitalOcean metrics agent to enable extended Droplet monitoring.
- [How to Install the DigitalOcean Metrics Agent Using the Metrics Agent Repository](https://docs.digitalocean.com/products/monitoring/how-to/install-metrics-agent-repository/index.html.md): Install the DigitalOcean metrics agent manually by configuring the repository directly.
- [How to Uninstall the DigitalOcean Metrics Agent](https://docs.digitalocean.com/products/monitoring/how-to/uninstall-metrics-agent/index.html.md): Uninstall the DigitalOcean metrics agent from your Droplet to stop monitoring and remove related system resources.
- [How to Create, Edit, and Delete Resource Alerts](https://docs.digitalocean.com/products/monitoring/how-to/manage-alerts/index.html.md): Create, edit, view, and delete resource alerts to monitor your Droplets and receive notifications when key metrics exceed or fall below thresholds you define.
- [How to Upgrade Your Legacy Metrics Agent](https://docs.digitalocean.com/products/monitoring/how-to/upgrade-legacy-agent/index.html.md): Remove the legacy metrics agent and install the newer Prometheus-based version to restore extended metrics visibility.

## Monitoring Concepts

Explanations and definitions of core concepts in Monitoring.

- [Monitoring Metrics](https://docs.digitalocean.com/products/monitoring/concepts/metrics/index.html.md): Understand the key metrics (CPU, memory, disk, and bandwidth) used by Monitoring to track your Droplet's performance and overall health.

## Monitoring Details

Features, plans and pricing, availability, limits, known issues, and more.

- [Monitoring Features](https://docs.digitalocean.com/products/monitoring/details/features/index.html.md): Monitor Droplets with system-level metrics, visual graphs, customizable alerts, and more.
- [Monitoring Pricing](https://docs.digitalocean.com/products/monitoring/details/pricing/index.html.md): DigitalOcean Monitoring is provided at no additional cost.
- [Monitoring Availability](https://docs.digitalocean.com/products/monitoring/details/availability/index.html.md): Regional datacenter availability for DigitalOcean Monitoring.
- [Monitoring Limits](https://docs.digitalocean.com/products/monitoring/details/limits/index.html.md): Limits and known issues for DigitalOcean Monitoring.

## Monitoring Support

Technical support articles for Monitoring.

- [How Do I Disable Process Name Collection in My Metrics Agent?](https://docs.digitalocean.com/support/how-do-i-disable-process-name-collection-in-my-metrics-agent/index.html.md): Modify your metrics agent's configuration on `systemctl` or `initctl` systems to disable process name collection.
- [Why are my alerts not working my Droplets?](https://docs.digitalocean.com/support/why-are-my-alerts-not-working-my-droplets/index.html.md): You must install the DigitalOcean metrics agent to enable alerts for your Droplets.
- [How can I allowlist the DigitalOcean metrics agent with my firewall?](https://docs.digitalocean.com/support/how-can-i-allowlist-the-digitalocean-metrics-agent-with-my-firewall/index.html.md): Configure your firewall to allow outgoing traffic through ports 80 and 443.