Questions tagged [duplicity]
Duplicity backs directories by producing encrypted tar-format volumes and uploading them to a remote or local file server.
74 questions
2
votes
0
answers
97
views
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 ...
0
votes
0
answers
20
views
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=...
0
votes
1
answer
377
views
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:
...
0
votes
0
answers
180
views
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 ...
0
votes
1
answer
211
views
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 ...
1
vote
1
answer
776
views
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 %...
0
votes
1
answer
279
views
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 ...
0
votes
1
answer
543
views
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 ...
0
votes
0
answers
136
views
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 ...
0
votes
1
answer
83
views
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 ...
0
votes
1
answer
694
views
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, ...
0
votes
1
answer
284
views
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
...
2
votes
2
answers
537
views
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 ...
2
votes
1
answer
340
views
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/...
1
vote
1
answer
696
views
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....