I’m on TrueNAS SCALE 25.10.4 – Goldeye (Community Edition).
First, we need to change the permission of /usr to read-write. If you do not do this, you cannot save the changes.
sudo mount -o remount,rw /usr
Create a backup of the original file /usr/lib/python3/dist-packages/middlewared/plugins/vm/vms.py (optional).
sudo cp /usr/lib/python3/dist-packages/middlewared/plugins/vm/vms.py /usr/lib/python3/dist-packages/middlewared/plugins/vm/vms.py.bak
Edit /usr/lib/python3/dist-packages/middlewared/plugins/vm/vms.py (it should be around line 227, on my version it’s on line 248-256).
sudo vim /usr/lib/python3/dist-packages/middlewared/plugins/vm/vms.py
#elif flags['intel_vmx']:
# if vcpus > 1 and flags['unrestricted_guest'] is False:
# verrors.add(
# f'{schema_name}.vcpus', 'Only one Virtual CPU is allowed in this system.')
#elif flags['amd_rvi']:
# if vcpus > 1 and flags['amd_asids'] is False:
# verrors.add(
# f'{schema_name}.vcpus', 'Only one virtual CPU is allowed in this system.'
# )Restart the service:
sudo systemctl restart middlewared
Change the permission of /usr back to read-only.
sudo mount -o remount,ro /usr
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