Hello,
I followed the instructions from this article Cloud-Init Support
wget https://cloud-images.ubuntu.com/bionic/current/bionic-server-cloudimg-amd64.img
qm create 9000 --memory 2048 --net0 virtio,bridge=vmbr0
qm importdisk 9000 bionic-server-cloudimg-amd64.img local-lvm
qm set 9000 --scsihw...