Ubuntu VM serial board

Products

• VMware vSphere ESXi

Issue/Introduction

Trying to obtain VM baseboard serial number returns value = None

dmidecode -s baseboard-serial-number

Environment

Ubuntu VM

Cause

Expected result

VM is a virtual device, it is expected that it would not have a virtual motherboard.
As there is no physical motherboard there would be no serial assigned which is why it is returning a value of type 'None'

 

Resolution

There is no resolution or workaround

The information is retrieved from /sys/devices/virtual/dmi/id/board_serial
There is no way to modify this file.