# Monitoring – DigitalOcean Documentation > DigitalOcean Monitoring is a free, opt-in service that helps you track Droplet resource usage, view performance metrics, and receive alerts. The DigitalOcean metrics agent is an open-source Go utility that collects and sends system metrics to DigitalOcean to enable features such as usage graphs, alerts, and custom metrics. - [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 Reference Native and third-party tools, troubleshooting, and answers to frequently asked questions. - [Monitoring API Reference](https://docs.digitalocean.com/products/monitoring/reference/api/index.html.md): ## Monitoring Concepts Explanations and definitions of core concepts in Monitoring. - [Droplet Metrics](https://docs.digitalocean.com/products/monitoring/concepts/metrics/index.html.md): Monitor Droplet CPU, memory, storage, and network metrics to understand performance and troubleshoot issues. - [GPU Metrics](https://docs.digitalocean.com/products/monitoring/concepts/gpu-metrics/index.html.md): Monitor GPU performance, temperature, power, interconnect activity, and error metrics for NVIDIA and AMD GPU workloads. ## 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 GPU observability. - [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): Disable process name collection in the metrics agent by updating the service configuration on your Droplet. - [Why are my alerts not working on my Droplets?](https://docs.digitalocean.com/support/why-are-my-alerts-not-working-on-my-droplets/index.html.md): Install the DigitalOcean metrics agent on each Droplet to enable Monitoring alerts. - [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 outbound traffic on ports 80 and 443 so the DigitalOcean metrics agent can report monitoring data.