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virt-sysprep

Reset, unconfigure, or customize a virtual machine image. More information: https://manned.org/virt-sysprep.

List all supported operations (enabled operations are indicated with asterisks):

virt-sysprep --list-operations

Run all enabled operations but don't actually apply the changes:

virt-sysprep --domain {{vm_name}} --dry-run

Run only the specified operations:

virt-sysprep --domain {{vm_name}} --operations {{operation1,operation2,...}}

Generate a new /etc/machine-id file and enable customizations to be able to change the host name to avoid network conflicts:

virt-sysprep --domain {{vm_name}} --enable {{customizations}} --hostname {{host_name}} --operation {{machine-id}}