Monitoring & logging tutorials

Monitoring and logging: resource tracking, Netdata, uptime, Prometheus and Grafana, alerts, disk space, SSL monitoring and log rotation.

How to monitor database performance

See slow queries, connections and database usage, to keep it fast.

A full disk stops services and corrupts data. Here is how to track space and get alerts in time.

Monitoring only helps if it warns you in time. Here is how to get alerts by email or Telegram.

Logs grow forever and fill the disk. logrotate archives and deletes old ones automatically.

Do not let your site go down or your SSL certificate expire without knowing. Here is how to track them automatically.

Logs tell you what is happening on your server. Here is where to find them and how to search them efficiently.

Find out immediately when your site goes down, with Uptime Kuma and email or Telegram notifications.

When you have several servers, gather all logs in one searchable place.

Netdata shows you hundreds of real-time metrics, with beautiful graphs, in just a few minutes.

The standard combo for professional monitoring: Prometheus collects metrics, Grafana displays them in dashboards.

Quickly see CPU, RAM and disk usage with the basic Linux tools, without installing anything.