New answers tagged duplicity
After uploading the backup you can use chattr +i to make them immutable so they can not be modified or deleted. Only root can set or clear this flag. As an alternative you could chown the files to another user after upload so that the backup account no longer has access to them.
AFAIK duplicity can't do a backup of a remote directory to a local directory. I solve the problem in two steps. On the backup server do: Run rsync over ssh using ssh keys to sync the remote directory to a local directory rsync -avz -e ssh user@remote:/remote/directory local_directory Run duplicity from one directory to another. Use asymmetric GnuPG keys, ...
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