Tutorials

Step-by-step guides for your cloud servers: installs, configuration and best practices.

How to monitor a website and SSL expiry

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

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

Attach Backup Box storage straight onto your server, as if it were a local disk, over SSHFS.

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

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

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

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

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

An SMTP relay sends your emails through a service with good reputation, ideal for apps without their own mail server.

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

Configure your app to send transactional emails (confirmations, password resets) over SMTP.

Rspamd is a modern, fast spam filter. Here is how to use it to keep your inbox clean.