How to Install Prometheus and Grafana on Ubuntu 22.04 LTS — Configure Grafana Dashboard

What is Prometheus ?

• Prometheus is an open-source Linux Server Monitoring tool mainly used for metrics monitoring, event monitoring, alert management, etc.
• Prometheus has changed the way of monitoring systems and that is why it has become the Top-Level project of the Cloud Native Computing Foundation (CNCF).

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• Prometheus uses a powerful query language i.e. “PromQL”.
• In Prometheus, tabs are on and handle hundreds of services and microservices.
• Prometheus uses multiple modes for graphing and dashboarding support.

Prometheus Components

1. Prometheus Server

• The Prometheus server is the first component of Prometheus architecture.
• Prometheus server is a core of Prometheus architecture which is divided into several parts like Storage, PromQL, HTTP server, etc.
• In Prometheus server data is scraped from the target nodes and then stored in the database.
• 1.a. Storage
• Storage in the Prometheus server has local on-disk storage.
• Prometheus has many interfaces that allow integration with remote storage systems.