Duplicity

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duplicity.png

Duplicity backs directories by producing encrypted tar-format volumes and uploading them to a remote or local file server. Because duplicity uses librsync, the incremental archives are space efficient and only record the parts of files that have changed since the last backup. Because duplicity uses GnuPG to encrypt and/or sign these archives, they will be safe from spying and/or modification by the server.

The duplicity package also includes the rdiffdir utility. Rdiffdir is an extension of librsync’s rdiff to directories—it can be used to produce signatures and deltas of directories as well as regular files. These signatures and deltas are in GNU tar format.

In theory many protocols for connecting to a file server could be supported; so far

acd_cli
Amazon S3
Backblaze B2
Copy.com
DropBox
ftp
GIO
Google Docs
Google Drive
HSI
Hubic
IMAP
local filesystem
Mega.co
Microsoft Azure
Microsoft Onedrive
par2
Rackspace Cloudfiles
rsync
Skylabel
ssh/scp
SwiftStack
Tahoe-LAFS
WebDAV
have been written. Currently duplicity supports deleted files, full unix permissions, directories, and symbolic links, fifos, and device files, but not hard links.

duplicity.png 4 months ago
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