Netdata is a real-time infrastructure monitoring tool with zero configuration.
What You Get for Free
- 2,000+ metrics — CPU, memory, disk, network, processes, applications
- Per-second resolution — not 1-minute averages like most tools
- Zero configuration — auto-detects everything on your system
- Application monitoring — nginx, MySQL, PostgreSQL, Docker, K8s, Redis
- Anomaly detection — ML-based, alerts on unusual patterns
- Beautiful dashboard — interactive charts, drill-down, correlation
- Netdata Cloud — free central dashboard for multiple servers
- Alerts — email, Slack, PagerDuty, Discord, custom webhooks
Quick Start
# One-line install (works on any Linux, macOS)
curl https://get.netdata.cloud/kickstart.sh > /tmp/netdata.sh && sh /tmp/netdata.sh
# Access dashboard at http://localhost:19999
# Everything is already being monitored — no config files to edit
Why Sysadmins Love It
Prometheus + Grafana requires hours of setup. DataDog costs $$:
- Zero config — install and everything is monitored immediately
- Per-second data — catch spikes that 1-minute averages miss
- Lightweight — uses ~1% CPU, ~100MB RAM for 2,000+ metrics
- Free forever — open source, including Netdata Cloud
A sysadmin was spending a full day setting up Prometheus exporters and Grafana dashboards for each new server. With Netdata, they run one command and get 2,000+ metrics with pre-built dashboards — setup time dropped from 8 hours to 30 seconds.
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