duplicity is an open source software to backup data incrementally in an encrypted format. It can save/upload the backup to local or remote destination. It is written in python and uses librsync.

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How much free temp space does Duplicity need to operate?

I am thinking about using duplicity over rsync for doing backups (to a remote host) of various things but I have heard that duplicity requires a good deal of temp space. Does anyone know how much ...
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139 views

Duplicity Incremental Restores

I use duplicity to manage an encrypted daily incremental and weekly full backup schedule for my Linux box. Though duplicity allows incremental backups, I could not find any way to do anything other ...
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178 views

Duplicity: is it possible to restore files from a backup that has not been updated in six months?

I need files from an old server that ran a daily duplicity backup and was deactivated six months ago. The backup files are store in an Amazon S3 bucket and the last backup was made about six months ...
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2answers
70 views

How to list all available backup dates using duplicity

Using duplicity to backup a folder on a certain event, how can I get a list of all available backup dates as I don't know in advance when the event occurred? I want to list the available dates as ...
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3answers
2k views

How can one efficiently use S3 to back up files incrementally?

I understand how rsync works on a high-level, but there are 2 sides. With S3 there is no daemon to speak of — well there is, but it's basically just HTTP. There look to be a few approaches. s3rsync ...
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55 views

Duplicity: recommended value for --volsize?

I am backing up ~800GB from a server to a NAS via Gigabit (destination is a share mounted on the server I need to backup). What value would you recommend for volsize? Thanks
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2answers
156 views

Duplicity - how to put passphrase in CMD?

I've tried a number of obvious commands as detailed in Duplicity Man page to do this but doesn't seem to work. Scenario I'm SSH'ing to a machine, then running Duplicity; below is the CMD, of sorts:- ...
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139 views

Bandwidth throttle with duplicity

As I've read, bandwidth throttling in duplicity is only available when using SCP backend. So I've tried following command: duplicity full --volsize 1024 --ssh-askpass --scp-command='scp' /etc ...
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2answers
114 views

Practical use of hard link

Seems most of the people say they use hard link is to do incremental backup 1, but as we already have more advance backup methods such as Duplicity or rdiff-backup, so can I say it is almost useless ...
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1answer
233 views

How does Duplicity check for modifications (mtime or checksum)?

How does Duplicity determine if the local version of a file has been modified since the last backup? Does it only look for a different mtime/size etc., or does it actually check for modified content, ...
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3answers
534 views

Duplicity and Google Drive

Is it there a way to make duplicity backups to google drive? As far as I understand, WebDav and FTP are not supported by google drive. But maybe there is an extension to duplicity in the works?
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2answers
530 views

Duplicity not writing to a pre-existing S3 bucket

I'm trying to backup a directory to a pre-existing Amazon S3 bucket using the following command: duplicity --no-encryption system/ s3+http://MY_BUCKET_NAME/backup However, I'm getting the following ...
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1k views

Duplicity: How to list versions of a file?

Using Duplicity I can make an incremental, efficient backup to an untrusted remote storage. This works fine and I can restore files at a specific point in time (or the next backup after that). Well ...
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308 views

duplicity sftp backup encryption

I'm very new to linux and I am running difficulties with duplicity. I am currently trying to create a backup script using duplicity and backing up over sftp and I am not sure if I am already ...
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1answer
529 views

Duplicity restore reports “Invalid SSH password” when I'm using a private key for connection

I'm testing the restoration of a backup with duplicity 0.6.15. I can login to my backup server just fine using ssh and sftp using the following commands and my private key: ...sftp root@client:~# ...
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1answer
336 views

Why does Keychain compain that id_rsa.pub is missing?

I'm reading this article on setting up unattended backups in Duplicity. I'm in the part called 7.2. SSH KeyCaching I've added the following to my root .bash_profile keychain --clear id_rsa . ...
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5answers
305 views

duplicity can't find remote backup directory?

Using my private key to do so, this command allows me to connect to /home/backupUser/backup just fine: $ sudo sftp -oPort=7843 backupUser@192.168.x.x:backup However when I run duplicity, I get ...
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3answers
564 views

Problems restoring file backed up on Windows using Duplicati to a Linux server running mono

TL/DR version: Mono + Duplicati.commandline.exe restore etc. etc. spits this out for several files regardless of what I try. I am able to list sets, list files in said sets, even do a verify, but ...
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308 views

Duplicity fails on Too many open files?

I'm using Duply on top of Duplicity but apparently it fails (after 10 min on 100% cpu) on gnupg --- Start running command BKP 21:10:58.679 --- NcFTP version is 3.2.2 Reading globbing filelist ...
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233 views

Duplicity: “The write operation timed out”

I'm trying to set up an automated backup with duplicity on Amazon S3, but I keep getting a weird error that doesn't show up on Google searches. machina:~# duplicity --version duplicity 0.6.14 Here ...
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210 views

Restore files from certain increments using Duplicity

Given the following backup sets ... Found primary backup chain with matching signature chain: ------------------------- Chain start time: Tue Jun 21 11:27:26 2011 Chain end time: Tue Jun 21 11:27:59 ...
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1answer
355 views

NIC bandwidth usage graphing as percent (not kbps/mbps)

I would like to validate a certain thought with you guys. Assuming that: The device whose bandwidth I am measuring is an internal, Linux-based, router. If a NIC is configured to 100mbps, the network ...
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4answers
743 views

Preventing duplicate DHCP server on network

How can I prevent a duplicate DHCP server on a network from interfering? Is it possible? I am not asking for any actual scenario that is happening, just curiosity. In my apartment complex there is a ...
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1answer
497 views

How to make Duplicity purge old backups on S3?

To anyone used Duplicity with Duply (wrapper script) on S3, what is the correct command to make duplicity purge old backups? I tried setting up the "MAX_AGE=7D" variable, and calling duply with ...
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4answers
1k views

How to manually extract a backup set made by duplicity?

I have a set of files on my webserver produced by duplicity software: duplicity-full.20110315T085334Z.vol1.difftar.gz duplicity-full.20110315T085334Z.vol2.difftar.gz ...
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2answers
3k views

How can I restore a duplicity backup from a certain date?

Is it possible to restore a duplicity backup from a certain time in the past? For example, if I'm making daily incremental backups, is there a way to restore a backup from three days ago?
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450 views

How to backup my files secure and properly

Duplicity & rsnapshot helps me backup my files to remote FTPs server. I can recover file if my server harddisk failed. But if someone hacking my local server and he can get all remote server ...
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1answer
483 views

Backup script that excludes large files using Duplicity and Amazon S3

I'm trying to write an backup script that will exclude files over a certain size. My script gives the proper command, but when run within the script it outputs an an error. However if the same ...
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1answer
516 views

Duplicity on a ReadyNAS

Has anyone here run Duplicity on a ReadyNAS? I'm trying but here's what I get: duplicity full --encrypt-key="ABC123" /home/jason/ scp://jswett@192.168.140.2//gob Invalid SSH password Running 'sftp ...
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2answers
460 views

Duplicity no longer works with Amazon S3

Duplicity 0.6.10 doesnt seem to like the s3+http protocol. I keep getting the following error message. unsupportedbackendscheme: scheme not supported in url: s3+http://<bucketname> I've tried ...
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1answer
464 views

Duplicity: UnsupportedBackendScheme: scheme not supported in url: s3+http://foo.woof.com/?

I installed Duplicity with the helpful damontimm script and advice. I also created an s3 bucket foo.woof.com. But when I run Duplicity (via the script), I get: UnsupportedBackendScheme: scheme not ...
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2answers
342 views

Duplicity Errno 2 - no such file or directory

I am trying to setup a script for backing up a linux box to a CIFS share. I manually mounted the CIFS share and created a few test folders - OK I then ran duplicity manually with a rather simple ...
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397 views

Why can my cron job not find a specific command?

I am using duplicity to create nightly backups of my server over FTP. I wrote a script that does both a local and remote backup and logs the output results. When I run this script as the root user, ...
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2answers
1k views

How can I use Duplicity with a symmetric key?

I am using duplicity to perform backups on my server. Right now duplicity is encrypting the backup using a GPG public-private key system. I would prefer to encrypt the backup files using just a ...
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1answer
85 views

Duplicity fails to run w/ python 2.3

I tried running the latest code and went as far back as 0.6.07 and I keep getting the following error message when running duplicity. Any ideas how to fix? Tell me I dont have to upgrade to Python 2.4 ...
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4answers
2k views

Most cost efficient way to backup Subversion data to S3?

I'm looking at using S3 as an offsite backup repo for my Subversion database. When I dump my SVN database, it's about 10 gigabytes. I would like to avoid the charge of uploading that data ...
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2answers
2k views

duplicity fail: not promping for password: “Running 'sftp user@host' failed”

I have two linode VPS accounts and I want to back up one onto the other (the reasons are mainly for fun and to practice server administration.) the short version Duplicity isn't even asking for my ...
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2answers
2k views

Duplicity Full Backup Lifetime and Efficiency

I'm trying to work up a backup strategy for some clients, and am leaning towards duplicity for remote backup (already use rdiff-backup for internal/on location backups). Is it reasonable to want a ...
2
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4answers
1k views

user GPG key not able to be used by SUDO

I created a script that runs duplicity to backup files I have on a VPS,and uses a GPG key that I generated as a user. When I try and run this script as SUDO I get: GPGError: GPG Failed, see log ...
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1answer
698 views

Which ssh-based duplicity back-end should I choose?

I am looking at using duplicity for doing file backups over ssh to a remote machine. I see that duplicity supports multiple back-ends that work over ssh, such as ssh://, scp://, and rsync://. Is ...