From Fedora Project Wiki

Late addition to release notes?
Libguestfs is a late addition to F11 and an important new "feature" that deserves mention in the release notes.

Offline Manipulation of Virtual Machines

libguestfs is a new library for accessing and modifying guest disk images. Using Linux kernel and QEMU code, libguestfs can access any type of guest filesystem that Linux and QEMU can

The following tools are provided by libguestfs:

  • guestfish - Provides an interactive shell for editing virtual machine filesystems and executing commands in the context of the guest.
  • virt-inspector - Displays OS version, kernel, drivers, mount points, applications, etc. in a virtual machine.
  • Bindings for OCaml, Perl, Python, Ruby, and Java programming languages.

For further details refer to: