Copy all files not listed in an /var/lib/dpkg/*.info and all configuration
files to a floppy, using cpio.

On backup media, first list packages that are installed on the system and
provide a copy of all configuration information needed to mount an NFS
filesystem.

Provide a boot disk which knows how to NFS mount a filesystem and use Debian
packages on that filesystem, plus the backup media set, to rebuild the system.

Provide the ability to use various other backup media.

Provide the ability to make incremental backups and apply them to the rebuilt
system.

Provide the ability to store, on the backup media, (after any backup
configuratiion information and before the actual data) all of the .deb files
needed to rebuild the system.  (At this point, perhaps it is simply easier
to store an image of the entire system...) (Well, actually no, I can envision
a sitution where several systems work off of a set of backups which
incoroporate one copy of the .deb files for the site and a copy of the user
files for each system.)

I can exclude log files from the backup.

I can exclude catman files from the backup, where there is a cooresponding
man source file.

Required: ability to mark filesystems not to be backed up.

Backup should restore systems with the same versions of the Debian packages.

If identical versions are not available, later ones could be used, but user
must be warned.

If backup restores a system (using old versions of packages) it should produce
a report which identified the available newer packages.


