# download the image from https://cloud-images.ubuntu.com/
wget https://cloud-images.ubuntu.com/jammy/current/jammy-server-cloudimg-amd64.img
#apt install libguestfs-tools -y
virt-customize -a /full/path-to/jammy-server-cloudimg-amd64.img --install qemu-guest-agent
virt-customize -a /full/path-to/jammy-server-cloudimg-amd64.img --run-command "echo -n > /etc/machine-id"
# create a new VM with VirtIO SCSI controller
qm create 9000 --name VM-name --memory 2048 --net0 virtio,bridge=vmbr0 --scsihw virtio-scsi-pci
 
# import the downloaded disk to the local-lvm storage, attaching it as a SCSI drive
qm set 9000 --scsi0 local-lvm:0,import-from=/full/path-to/jammy-server-cloudimg-amd64.img
 
#resize VM disk image to production size
#qm resize 9000 scsi0 +18G
 
#add ide drive with cloudinit cd
qm set 9000 --ide2 local-lvm:cloudinit
#set scsi0 hard drive as first boot device
qm set 9000 --boot order=scsi0
#
qm set 9000 --serial0 socket --vga serial0
#conver to template
qm template 9000