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Ubuntu v20 unable to monitor disk usage.



According to a wireshark it looks like PRTG is doing a lookup on OID:

Doing an SNMP walk on the OID with the PRTG SNMP tester there is no OID tree. it goes from the tree then skips to tree.

PRTG returns error 222 on the sensor.

CPU and Memory sensors work. Only disk utilization via SNMP doesnt.

disk linux snmp

Created on Feb 3, 2022 4:14:49 PM

1 Reply



Hi there,

This is correct the OID table is required. If these are not available, the Sensor cannot work. Therefore, please check the snmpd.conf whether it's correct configured: https://blog.paessler.com/how-to-enable-snmp-on-your-operating-system

Created on Feb 4, 2022 9:05:22 AM by  Moritz Heller [Paessler Support]

Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.