root@server2:~# virsh dupxml instance-0000000a
error: unknown command: 'dupxml'
root@server2:~# virsh dumpxml instance-0000000a
<domain type='kvm' id='4'>
  <name>instance-0000000a</name>
  <uuid>1baa2b3f-124b-84ec-e085-ae4a5ba9a0fa</uuid>
  <memory>524288</memory>
  <currentMemory>524288</currentMemory>
  <vcpu>1</vcpu>
  <os>
    <type arch='x86_64' machine='pc-0.14'>hvm</type>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
  </features>
  <clock offset='utc'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <emulator>/usr/bin/kvm</emulator>
    <disk type='file' device='disk'>
      <driver name='qemu' type='qcow2'/>
      <source file='/var/lib/nova/instances/instance-0000000a/disk'/>
      <target dev='vda' bus='virtio'/>
      <alias name='virtio-disk0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
    </disk>
    <serial type='pipe'>
      <source path='/var/lib/nova/instances/instance-0000000a/console.fifo'/>
      <target port='1'/>
      <alias name='serial0'/>
    </serial>
    <serial type='pty'>
      <source path='/dev/pts/1'/>
      <target port='0'/>
      <alias name='serial1'/>
    </serial>
    <console type='pipe'>
      <source path='/var/lib/nova/instances/instance-0000000a/console.fifo'/>
      <target type='serial' port='1'/>
      <alias name='serial0'/>
    </console>
    <input type='mouse' bus='ps2'/>
    <graphics type='vnc' port='5900' autoport='yes' listen='0.0.0.0' keymap='en-us'/>
    <video>
      <model type='cirrus' vram='9216' heads='1'/>
      <alias name='video0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
    </video>
    <memballoon model='virtio'>
      <alias name='balloon0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
    </memballoon>
  </devices>
  <seclabel type='dynamic' model='apparmor'>
    <label>libvirt-1baa2b3f-124b-84ec-e085-ae4a5ba9a0fa</label>
    <imagelabel>libvirt-1baa2b3f-124b-84ec-e085-ae4a5ba9a0fa</imagelabel>
  </seclabel>
</domain>