![]() Setup 1: Prometheus server scraping remote node_exporter § Grafana is a powerful Web interface pulling data from time series databases to render them under useful charts for analysis. NixOS is an operating system built with the Nix package manager, it has a declarative approach that requires to reconfigure the system when you need to make a change.Ĭollectd is a agent gathering metrics from the system and sending it to a remote compatible database. It's also able to pull (scrape) data from remote services offering a Prometheus API. Prometheus is a time series database, which also provide a collecting agent named Node Exporter. VictoriaMetrics documentation "how to scrape prometheus exporters such as node exporter" Update: a dear reader shown me VictoriaMetrics can be used to scrape remote agents without the VictoriaMetrics agent, this reduce the memory usage and configuration required. It comes with various programs like VictoriaMetrics agent to replace various parts of Prometheus. VictoriaMetrics is a Prometheus drop-in replacement that is a lot more efficient (faster and use less resources), which also provides various API such as Graphite or InfluxDB. ![]() In this article, I'm using NixOS configuration for the examples, however it should be obvious enough that you can still understand the parts if you don't know anything about NixOS. And as I like to go against the flow, I tried various changes to the industry standard stack by using VictoriaMetrics. There is that project named Prometheus which is used absolutely everywhere, it was time for me to learn about it. I was curious to learn if the Grafana stack changed since the last time I used it, and YES. However, I recently moved my server to a small virtual machine which has CPU and memory constraints (1 core / 1 GB of memory), and Munin didn't work very well. I've set up a Grafana server six years ago, and I was using Munin for my personal servers. Hello □□, it's been a long time I didn't have to take a look at monitoring servers.
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