HTTP and TLS
Is the site answering, and when does its certificate expire?
Monitoring and alerts
Know before your users do, even with every phone in a pocket.
Your Zedlin server collects metrics and runs checks over SSH around the clock. When something keeps failing it opens an alert, tells the people who should know, and offers the action that fixes it.
Healthchecks
Check what actually matters.
Run them on a schedule or on demand. A server Zedlin can't reach is reported as unreachable, not as a failed check.
TCP
Is this port open and answering?
Your own command
Run a command over SSH and check its exit code.
Containers and services
Is this Docker container or systemd service running?
CPU, memory and disk
Alert above the limits you set.
Network and disk latency
Catch retransmits and slow disks before they become an outage.
Alerts
The right people, at the right volume.
Push to your phone
Alert text is sealed for your device on the way, so the relay can't read it.
Other channels
Email, Telegram and webhooks, for the server or for one team's servers.
Notification rules
Immediate, hourly, daily or off, per category, with a server, tag or general setting.
Act from the alert
Open the server, run the check again, block the address or mark it resolved.
See the cause
Metric alerts name what was using the machine at the time.
History
Per-minute metrics, process history and check results kept on your server.
Watch your servers without another agent.
Monitoring runs on a Zedlin server you host yourself. Write to us to try it early.