
This post is a write up of my experiences with the Prometheus Certified Associate (PCA) exam
Read MoreHow to Monitor Your Node.js Application Using OpenTelemetry and the Grafana LGTM stack
Jul 27, 2025 (Last modified: Jul 29, 2025)loki tempo prometheus grafana observability opentelemetry ·
This post shows how to instrument a Node.js app with the OpenTelemetry SDK and route signals (metrics, logs, traces) through an OTel Collector to backends, using components from the Grafana LGTM stack
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Grafana Tempo is an open-source tracing backend from Grafana Labs. Let's see how to install the OSS version on a Linux server
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Grafana Alloy is an open-source OpenTelemetry collector from Grafana Labs. Let's see how to install the OSS version on a Linux server
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Grafana Loki is an open-source logging platform from Grafana Labs. By only indexing the metadata about the log labels it works on a small index which makes it very cost-effective
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