Netdata: real-time, per-second monitoring with zero configuration
The Netdata repository: an agent that auto-discovers hundreds of metrics on Linux hosts, containers and common services, shows them per second in a built-in dashboard and ships with preconfigured alerts.
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netdata/netdata
- Stars
- 81k
- Forks
- 6.7k
- Language
- Go
- Licence
- GPL-3.0
- Last push
- 15 Oct 2026
On GitHub: The fastest path to AI-powered full stack observability, even for lean teams.
Open on GitHubNetdata (about 81,000 stars on GitHub) is an open source monitoring agent developed by Netdata Inc. and a large community, with the agent under GPL-3.0. Install it on a host and within a minute you get a web dashboard on port 19999 with per-second charts for CPU, memory, disks, network, every systemd service, and any detected application such as nginx, PostgreSQL, MySQL, Redis, Docker containers or Proxmox, plus hundreds of ready-made alert thresholds.
It fills a different niche than Prometheus and Grafana: Netdata is for looking at one host right now in great detail with no setup, which makes it excellent for troubleshooting a misbehaving server or a home lab. For long-term storage and cross-host dashboards you can keep both, because Netdata exposes its metrics in Prometheus format at /api/v1/allmetrics?format=prometheus and can stream to a parent Netdata node.
The official one-line installer detects the distribution and installs native packages where available:
Check before you run this
- Runs with administrator rights. Make sure you understand every line.
wget -O /tmp/netdata-kickstart.sh https://get.netdata.cloud/kickstart.sh && sh /tmp/netdata-kickstart.sh
sudo systemctl status netdata
curl -s http://localhost:19999/api/v1/info | head -c 300Read the script before running it if you prefer, or install from the repository’s release packages. Open http://host:19999 and the dashboard appears without a login; restrict access with a firewall or a reverse proxy before exposing it. The installer offers to connect the agent to Netdata Cloud, which is optional; the agent works fully standalone. Configuration lives in /etc/netdata, edited with sudo /etc/netdata/edit-config netdata.conf. Credit to the Netdata team and contributors.
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See also
- 0191 Prometheus concepts: pull model, exporters, node_exporter and PromQL basics Prometheus scrapes numeric metrics from your systems over HTTP and stores them as time series. Learn the pull model, metric types, node_exporter,… Intermediate · Explains an idea · Linux Article Prometheus & Grafana 15 Oct 2026
- 0192 Grafana basics: connect Prometheus, build a dashboard and set up an alert Connect Grafana to Prometheus, build a dashboard for your servers with PromQL panels and a host selector, and create an alert rule… Intermediate · Step by step · Linux Article Prometheus & Grafana 15 Oct 2026
- 0255 Build a monitoring stack with Prometheus, node_exporter and Grafana on one Linux server Install Prometheus and node_exporter as systemd services, scrape and query host metrics with PromQL, then add Grafana with a dashboard and an… Intermediate · Guided project · Linux Article Prometheus & Grafana · Services & systemd 15 Oct 2026
- 0372 Grafana: your first dashboard from Prometheus data Connect Grafana to a Prometheus server, build a four-panel host dashboard with PromQL queries, set units and thresholds, add an instance variable,… Beginner · Step by step · Browser, Linux, macOS Article Prometheus & Grafana 15 Oct 2026
- 0374 Alert rules that do not wake you for nothing How to design alerts people trust: alert on symptoms not causes, use for durations, separate page from ticket severities, group and inhibit… Intermediate · Explains an idea · Any system Article Alerting & dashboards 15 Oct 2026
- 0375 Fix: disk full, find what is eating the space A Linux filesystem reports 100 percent used or No space left on device. Find the culprit with df and du, check journals,… Intermediate · Fixes an error · Linux Article Alerting & dashboards · Disks, LVM & filesystems 15 Oct 2026
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