tldr/pages/linux/virt-xml.md

# virt-xml

> Edit libvirt Domain XML files with explicit command-line options.
> Note: 'domain' refers to the name, UUID or ID for the existing VMs.
> See also: `virsh`.
> More information: <https://github.com/virt-manager/virt-manager/blob/main/man/virt-xml.rst>.

- List all the suboptions for a specific option:

`virt-xml --{{option}}=?`

- List all the suboptions for disk, network, and boot:

`virt-xml --disk=? --network=? --boot=?`

- Edit a value for a specific domain:

`virt-xml {{domain}} --edit --{{option}} {{suboption}}={{new_value}}`

- Change the description for a specific domain:

`virt-xml {{domain}} --edit --metadata description="{{new_description}}"`

- Enable/Disable the boot device menu for a specific domain:

`virt-xml {{domain}} --edit --boot bootmenu={{on|off}}`

- Attach host USB hub to a running VM (run `lsusb` to see a list of USB devices with their IDs):

`virt-xml {{domain}} --update --add-device --hostdev {{bus}}.{{device}}`