KVM Virtual Machine XML Configuration Example

External

• https://libvirt.org/formatdomain.html

Internal

• Linux Virtualization Concepts

Example

<domain type='kvm'>
  <name>template</name>
  <uuid>2a0523ba-9c44-47bd-8956-fc2b93ac1863</uuid>
 <memory unit='KiB'>1048576</memory>
 <currentMemory unit='KiB'>1048576</currentMemory>
 <vcpu placement='static'>1</vcpu>
 <os>
   <type arch='x86_64' machine='pc-i440fx-rhel7.0.0'>hvm</type>
   <boot dev='hd'/>
 </os>
 <features>
   <acpi/>
   <apic/>
 </features>
 <cpu mode='custom' match='exact'>
   <model fallback='allow'>Broadwell</model>
 </cpu>
 <clock offset='utc'>
   <timer name='rtc' tickpolicy='catchup'/>
   <timer name='pit' tickpolicy='delay'/>
   <timer name='hpet' present='no'/>
 </clock>
 <on_poweroff>destroy</on_poweroff>
 <on_reboot>restart</on_reboot>
 <on_crash>restart</on_crash>
 <pm>
   <suspend-to-mem enabled='no'/>
   <suspend-to-disk enabled='no'/>
 </pm>
 <devices>
   <emulator>/usr/libexec/qemu-kvm</emulator>
   <disk type='file' device='cdrom'>
     <driver name='qemu' type='raw'/>

     <target dev='hda' bus='ide'/>
     <readonly/>
     <address type='drive' controller='0' bus='0' target='0' unit='0'/>
   </disk>
   <disk type='file' device='cdrom'>
     <driver name='qemu' type='raw'/>
     <target dev='hdb' bus='ide'/>
     <readonly/>
     <address type='drive' controller='0' bus='0' target='0' unit='1'/>
   </disk>
   <disk type='file' device='disk'>
     <driver name='qemu' type='qcow2'/>

     <target dev='vda' bus='virtio'/>
     <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
   </disk>
   <disk type='file' device='disk'>
     <driver name='qemu' type='raw'/>

     <target dev='vdb' bus='virtio'/>
     <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
   </disk>
   <controller type='usb' index='0' model='ich9-ehci1'>
     <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x7'/>
   </controller>
   <controller type='usb' index='0' model='ich9-uhci1'>
     <master startport='0'/>
     <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0' multifunction='on'/>
   </controller>
   <controller type='usb' index='0' model='ich9-uhci2'>
     <master startport='2'/>
     <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x1'/>
   </controller>
   <controller type='usb' index='0' model='ich9-uhci3'>
     <master startport='4'/>
     <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x2'/>
   </controller>
   <controller type='pci' index='0' model='pci-root'/>
   <controller type='ide' index='0'>
     <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
   </controller>
   <controller type='virtio-serial' index='0'>
     <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
   </controller>
   <interface type='network'>
     <mac address='52:54:00:79:03:0c'/>

     <model type='virtio'/>
     <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
   </interface>
   <serial type='pty'>
     <target port='0'/>
   </serial>
   <console type='pty'>
     <target type='serial' port='0'/>
   </console>
   <channel type='unix'>
     <target type='virtio' name='org.qemu.guest_agent.0'/>
     <address type='virtio-serial' controller='0' bus='0' port='1'/>
   </channel>
   <input type='tablet' bus='usb'>
     <address type='usb' bus='0' port='1'/>
   </input>
   <input type='mouse' bus='ps2'/>
   <input type='keyboard' bus='ps2'/>
   <memballoon model='virtio'>
     <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>
   </memballoon>
 </devices>
</domain> 

Elements

name

The name of the guest.

uuid

The uuid.