Prometheus Fundamentals Training in Dublin, Ireland

This training introduces participants to the fundamentals of Prometheus, the leading open-source monitoring and alerting toolkit. It focuses on core Prometheus concepts, metrics collection, querying with PromQL, and basic alerting. The course includes hands-on labs for practical learning and prepares participants to monitor systems and applications efficiently using Prometheus.

Prometheus Architecture and Metrics Collection

Introduction to Monitoring with Prometheus

  Why monitoring matters

  Overview of Prometheus in the CNCF ecosystem

  Core components: Prometheus server, exporters, Alertmanager

Prometheus Architecture and Workflow

  Pull-based model and time-series data storage

  Targets, jobs, and labels

  Retention, storage format, and performance basics

Setting Up Prometheus

  Installing Prometheus on Linux or containerized environments

  Configuration file structure

  Running and accessing the Prometheus web UI

Scraping Metrics from Exporters

  Understanding metric exposition formats

  Node exporter for system metrics

  Custom exporters and blackbox monitoring basics

PromQL, Alerting, and Visualization

Understanding Prometheus Metric Types

  Counter, Gauge, Histogram, Summary

  Choosing the right metric for the use case

  Interpreting metric data

Querying with PromQL

  Basic query syntax and operators

  Filtering with labels

  Aggregations, rate functions, and time ranges

  Real-world query examples

Writing and Managing Alerts

  Creating alert rules in Prometheus

  Threshold-based and expression-based alerting

  Setting up basic Alertmanager integration

Basic Visualization Techniques

  Using Prometheus’s graph view

  Introduction to Grafana for Prometheus data

  Creating simple dashboards

Hands-onb Exercises

Summary and Conclusion