Table of contents
Encrypted Backups
Duplicity uses GnuPG to encrypt and sign backups, ensuring that data is secure and protected from unauthorized access.
Incremental Backups
Supports incremental backups which only save the changes made since the last backup, reducing storage requirements and speeding up the backup process.
Storage Flexibility
Supports various backends for backup storage including local files, FTP, SCP, Amazon S3, Google Cloud Storage, and others, giving users flexible storage options.
Bandwidth Efficiency
Uploads bandwidth-efficient tar-format volumes using rsync or ssh+rsync, optimizing network usage.
Open Source
Duplicity is open source software, meaning it is free to use and the codebase can be reviewed and modified by the community.
Cross-Platform
Available on various operating systems including Unix-like systems (Linux, macOS) and Windows, making it versatile for different user environments.
Duplicity is considered a highly capable backup software, especially appreciated for its encryption and compatibility with multiple storage solutions. However, its command-line nature might present a learning curve for those unfamiliar with terminal operations. Overall, it is well-regarded in tech communities for its flexibility and security features.
We have collected here some useful links to help you find out if Duplicity is good.
Check the traffic stats of Duplicity on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
Check the "Domain Rating" of Duplicity on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of Duplicity's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.
Check the "Domain Authority" of Duplicity on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.
The latest comments about Duplicity on Reddit. This can help you find out how popualr the product is and what people think about it.
Other popular choices include borg, duplicity, and duplicati. After evaluating these and others mentioned in the comments, I ended up using borg with borgmatic to define homelab backups with yaml files that are version controlled in gitea and deployed using ansible. I also use duplicity to back up my sister in laws storefront website to backblaze. I've been quite happy with both.... - Source: Hacker News / 12 months ago
Overbuilt and OTT? Sure... But this works fantastically for my use case. I have current backups of everything except my media library because of the size of it; my VM's are all backed up to my Synology nightly using Backy2, my application data gets dumped to that same Synology NAS nightly as well, and all of that also gets synced to Glacier deep storage once a week using Duplicity. I'm going to be adding a new ZFS... Source: over 2 years ago
There are some backup tools in this thread. Duplicati, rsync, restic, Duplicity, Syncthing. Source: almost 3 years ago
Here are a couple of projects that implement what you seem to be trying to do: https://duplicity.gitlab.io , https://borgbackup.readthedocs.io/en/stable/index.html# . You could either use them or just look at the scripts for ideas Writing your own script is a great exercise but a robust, historical and conveniently accessible backup system is more complicated. (I personally use rsnapshot to an encrypted drive... Source: almost 3 years ago
GUI based on https://duplicity.gitlab.io/. Source: about 3 years ago
Most people I've seen use either Pika Backup (Borg backend) or Déjà Dup (Duplicity backend). Source: about 3 years ago
For automated backups to/from services like onedrive, duplicity is great: https://duplicity.gitlab.io/. Source: about 3 years ago
Http://duplicity.nongnu.org/ at least can use PGP public keys. I've used it for a long time and not seen any particular reason to change. - Source: Hacker News / almost 4 years ago
There are backup tools with built-in encryption like borg backup or duplicity, these should be fine. If you already have a backup process and it's missing encryption then you should be able to use e.g. Age or gpg. Source: about 4 years ago
For my family photos (critical, irreplaceable, on plex), I use duplicity which can make use of Amazon Glacier and Deep Archive for really cheap storage (0.00099 /gb /month no joke) with incremental versioning and client side encryption. Long restore time, but perfect for disaster recovery on data that doesn't change much. Want to set up the same for music (which rarely but sometimes changes, e.g. Correcting tags). Source: over 4 years ago
And google docs / apple cloud etc. aren't proper backups. They can cancel your account, be inaccessible, or hacked even. There's software like duplicity that can upload encrypted backups to multiple services, which are handy. But in any case, if you're doing cloud backups, do do redundant local backups too. My setup is I've a USB stick tacked onto a Raspberry Pi computer, and use something called borg to do daily... Source: over 4 years ago
I have had good success using [Duplicity](http://duplicity.nongnu.org/) via [Duply](https://www.duply.net/) for a few years now. The main point for me is that duplicity directly backs up to many cloud-storage endpoints. I'm using google drive specifically, but it supports a ton of options. Source: over 4 years ago
Duplicity, an open-source backup and synchronization tool, has garnered a notable presence in the backup utilities domain, particularly for Linux systems. Known for its secure, bandwidth-efficient backup capabilities, its design is based on the widely-used rsync tool. Duplicity is adept at creating encrypted tar-format archives for directory backups, supporting both local and remote transfers over SSH. These features resonate well with users seeking reliable data integrity and security.
Public opinion on Duplicity reflects a mixed yet generally positive sentiment, with appreciation primarily for its encryption abilities and incremental backup system. This is conducive to efficient storage management, as only modified parts of files are updated in subsequent backups after the initial full backup. Users frequently mention these capabilities in forum discussions as a reason for its adoption in personal and professional contexts.
Moreover, Duplicity’s versatility in supporting numerous backend storage options, including popular cloud services like Google Drive, Backblaze, and Amazon Glacier, is frequently highlighted in blog posts and community forums. This flexibility underscores its adaptability to varied infrastructure setups, whether for home use or more complex IT environments. Users cite its integration with tools like Duply for streamlined cloud sync, which enhances its appeal among tech-savvy individuals managing diverse data sources and storage needs.
However, like any tool, Duplicity is not without its challenges. Some criticisms arise from its complexity, especially for users with limited technical backgrounds. Its lack of a native GUI, unlike some competitors, can present a steeper learning curve, necessitating command-line proficiency. While there are GUI implementations based on Duplicity, users occasionally note that these do not fully alleviate the complexity inherent in configuring and executing backups.
Comparatively, Duplicity is regularly juxtaposed with similar solutions such as Duplicati, Borg Backup, and Restic. While Borg and Restic are praised for their speed and ease of use, Duplicity's strong encryption and remote backup capabilities remain competitive advantages. Users engaged in forums express choices based on specific needs - for instance, Duplicity's ability to handle encrypted backups is a decisive factor for users with sensitive data requirements.
In terms of community support, Duplicity benefits from active engagement across various forums and open-source development platforms. This ongoing dialogue and development ensure that issues are promptly addressed and new features considered, contributing to an evolving and improving user experience.
In conclusion, Duplicity remains a solid choice for those emphasizing data security and cross-platform compatibility in their backup strategies. Its ability to adapt to different storage needs while ensuring encrypted, incremental backups, appeals to a dedicated user base, though new adopters might face challenges due to its complexity. The tool’s continuous development and community support imply a positive trajectory for its utility and relevance in the landscape of Linux-based backup solutions.
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