Duplicati 2.0

Duplicati is free backup software to store encrypted backups online for Windows, macOS and Linux.

Many Backends
Duplicati works with standard protocols like FTP, SSH, WebDAV as well as popular services like Microsoft OneDrive, Amazon Cloud Drive & S3, Google Drive, box.com, Mega, hubiC and many others.

Backup files and folders with strong AES-256 encryption. Save space with incremental backups and data deduplication. Run backups on any machine through the web-based interface or via command line interface. Duplicati has a built-in scheduler and auto-updater.

Free software
Duplicati is free software and open source. You can use Duplicati for free even for commercial purposes. Source code is licensed under LGPL. Duplicati runs under Windows, Linux, MacOS. It requires .NET 4.5 or Mono.

Strong encryption
Duplicati uses strong AES-256 encryption to protect your privacy. You can also use GPG to encrypt your backup.

Built for online
Duplicati was designed for online backups from scratch. It is not only data efficient but also handles network issues nicely. E.g. interrupted backups can be resumed and Duplicati tests the content of backups regularly. That way broken backups on corrupt storage systems can be detected before it’s too late.

Web-based user interface
Duplicati is configured by a web interface that runs in any browser (even mobile) and can be accessed – if you like – from anywhere. This also allows to run Duplicati on headless machines like a NAS (network attached storage).

Service Component

The Duplicati.Service.exe is a thin wrapper that starts Duplicati.Server.exe and pings it periodically to make sure it is running. The intention is that this can be started as a daemon or service.

For Debian based installations, you can run sudo systemctl start duplicati if you installed it via the .deb package. On Windows, you can use the NSSM to run either Duplicati.Server.exe or Duplicati.Service.exe as a service with many configuration options. You can also use Duplicati.WindowService.exe install, which is made as a Windows Service that can automatically install itself, which is easier but does not offer the flexibility of NSSM.

I use Duplicati on my Debain Linux system. If you want use it as service on Debian, execute systemctl start duplicati and edit the following files:

nano /lib/systemd/system/duplicati.service

Description=Duplicati web-server

ExecStart=/usr/bin/duplicati-server $DAEMON_OPTS


nano /etc/default/duplicati

# Defaults for duplicati initscript
# sourced by /etc/init.d/duplicati
# installed at /etc/default/duplicati by the maintainer scripts

# This is a POSIX shell fragment

# Additional options that are passed to the Daemon.

View: Duplicati website


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