oldVMID=111
newVMID=999

# change node name with yours
sed -i "s/$oldVMID/$newVMID/g" /etc/pve/nodes/security/qemu-server/$oldVMID.conf
mv /etc/pve/nodes/security/qemu-server/$oldVMID.conf /etc/pve/nodes/security/qemu-server/$newVMID.conf

mv /vm-storage/images/$oldVMID/ /vm-storage/images/$newVMID/
cd /vm-storage/images/$newVMID/
ls

# change id in disk name
mv vm-$oldVMID-disk-0.qcow2 vm-$newVMID-disk-0.qcow2