Virt-diff

External

• https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Virtualization_Deployment_and_Administration_Guide/sect-Guest_virtual_machine_disk_access_with_offline_tools-Using_virt_diff.html

Internal

• Linux Virtualization Operations

Overview

Shows the differences between the filesystems of two virtual machines. Can be useful to discover which files have changed between snapshots taken with qemu-img.