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DevOps & Automation · Intermediate

Prometheus Exporter

A process that exposes metrics from a third-party system in Prometheus format on an HTTP endpoint.

Definition

Exporters translate metrics from systems that cannot natively expose Prometheus metrics. Common examples are node_exporter for Linux hosts, blackbox_exporter for probing endpoints, and SNMP exporter for network devices.

Example

node_exporter on port 9100 exposes CPU, memory, disk, and network metrics for a Linux server.

Exam tip

Exporters are scraped by Prometheus; they do not push data.

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