VMs snapshots for revert in time

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The documentation is a bit dense and technical, but the usage is pretty straightforward if you use wyng-util-qubes with any number of destinations:

$ # Start by creating a fresh Wyng archive:
$ sudo wyng arch-init --dest=file:/mnt/backups/laptop3.backup


$ # Make wyng backups of the VMs _work_ and _personal_
$ sudo wyng-util-qubes backup work personal --dest=file:/mnt/backups/laptop3.backup


$ # Restore VM _personal_ from a wyng archive
$ sudo wyng-util-qubes restore personal --dest=file:/mnt/backups/laptop3.backup

Also something of a guide in section 3:

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