virt-xml
Edit libvirt domain XML configuration
TLDR
List available disk suboptions
$ virt-xml --disk=?
Edit VM metadata$ virt-xml [domain] --edit --metadata description="[new_description]"
Toggle boot menu$ virt-xml [domain] --edit --boot bootmenu=[on]
Add a disk to a VM$ virt-xml [domain] --add-device --disk [path=/var/lib/libvirt/images/disk.qcow2]
Attach USB device to a running VM$ virt-xml [domain] --update --add-device --hostdev [bus].[device]
SYNOPSIS
virt-xml [OPTIONS] DOMAIN
DESCRIPTION
virt-xml edits libvirt domain XML files using explicit command-line options. It provides a way to modify VM configurations without manually editing XML.Domain can be specified by name, UUID, or ID for existing VMs. Adding =? to any option lists available suboptions.
PARAMETERS
--edit
Edit existing configuration--add-device
Add a new device--update
Apply changes to running VM--disk
Disk configuration options--network
Network configuration options--boot
Boot configuration options--metadata
Metadata options (description, title, etc.)--hostdev
Host device passthrough
INSTALL
sudo dnf install virt-manager
sudo pacman -S virt-manager
sudo apk add virt-manager
sudo zypper install virt-manager
brew install virt-manager
nix profile install nixpkgs#virt-manager
CAVEATS
Changes to running VMs may require restart. Not all options can be changed on running VMs. Requires proper libvirt permissions.
SEE ALSO
virsh(1), virt-manager(1), virt-xml-validate(1)