- Agentful vs. agentless
- Agent selection
- Process by name
- Database query
- SNMP Get
- SNMP Trap
- Program or script execution
- Ping
- Local port
- Remote port
- HTTP-request
- JMX-sensor
- MQTT-sensor
- FTP-sensor
- Binary protocol
- WMI-sensor
- Configuration file or directory
The following sections are recommended to read beforehand: