Questions tagged [duplicity]
Duplicity backs directories by producing encrypted tar-format volumes and uploading them to a remote or local file server.
74 questions
2votes
1answer
43views
+50
How to handle Duplicity not being able to do backups to Google Cloud Storage bucket because bucket contains aborted backup
I have setup a Google Cloud Storage bucket for my Duplicity backups. The bucket has a retention policy of 1 year. Today Duplicity got interrupted while doing the backups, and now, every time I want to ...
0votes
0answers
10views
Will Duplicity download anything from the destination when doing a `remove-all-but-n-full`?
I'm using Google Cloud Storage to store backups taken by Duplicity. Since I just want to keep 4 full backups at the destination I run: duplicity remove-all-but-n-full 4 --force \ --s3-endpoint-url=...
0votes
1answer
283views
Duplicity does not start new chains with full-if-older-than
I want to use duplicity to backup most of my home folder to Backblaze. I'm trying to set it up so that it does a full backup every month. For this I'm using the following commands which are run daily: ...
0votes
0answers
161views
Duplicity encrypting to a strange key?
I'm trying to get duplicity working with gpg keys, but it's behaving a bit strange (on the actual machine that I want backed up, it seems better in virtual machines). Here's a complete set of commands ...
0votes
1answer
186views
Does Duplicity incremental backup overwrites amended files?
What I never understood in incremental backup, via duplicity, is whether amended local files are overwritten in the backup storage, i.e., is it possible with incremental backup to restore an old ...
1vote
1answer
661views
How and when to use duplicity verify?
I'm making daily incremental backups and monthly full backups, both with duplicity Daily backup script (in /etc/cron.daily/) #!/bin/sh adddate() { while IFS= read -r line; do printf '%s %...
0votes
1answer
236views
Duplicity: Exclude files from verification
I use duplicity to backup a set of directories, using a daily cron job. I have another daily cron job to duplicity verify --compare-data the backup, as a sanity check, which runs shortly after the ...
0votes
1answer
501views
using deja dup with rsync server
I used Deja Dup on Ubuntu since years with an remote NFS share. Now I have a new home server, which also runs an rsync daemon. How can I connect deja Dup to this daemon instead of NFS? I found out how ...
0votes
0answers
124views
duplicity: how to prevent malicious user from messing with backups
I'm using duplicity on almost every host I'm maintaining for creating backups to a remote location (calling it "backup host"). How often and when to do full or incremental backups depends on ...
0votes
1answer
61views
Conversion of files into directories, and the possibility of changing them back
Basically what happened is due to a known bug with duplicity I had to manually extract the difftar archives (Difftarchives?) Imagine my shock and slight horror when I saw that many files that ought to ...
0votes
1answer
660views
excluding relative paths in duplicity
The duplicity documentation doesn't appear to fully document its behaviour when relative paths (or bare filenames) are passed to the --exclude option. If I pass the option --exclude foo, for example, ...
0votes
1answer
257views
SSH connection to know host still needs authorization
I am trying to setup a backup server using duply and a secure connection. I have created the ~/.ssh/config file with the following content: Host backup IdentityFile ~/.ssh/id_ed25519_backup ...
2votes
2answers
493views
Duplicity gives InvalidBackendURL error when setting up Backblaze B2
When running Duplicity with Backblaze's B2 as outlined in some articles: duplicity ~ b2://[keyID]:[application key]@[B2 bucket name] Real values hidden, but provided though the Backblaze B2 UI. I ...
2votes
1answer
311views
duplicity resends all the data if filename is renamed
Let's create a test/ directory containing a random 1 GB file: head -c 1G </dev/urandom >test/1GBfile, and let's do a backup with duplicity: duplicity test/ file:///home/www/backup/ Then /home/...
1vote
1answer
676views
Specify which version of python duplicity should use
I've got a backup script that utilizes duplicity to upload to Dropbox. It's erroring out because the dropbox-python-sdk version required, 6.9.0, uses the keyword async which is now reserved in python3....