Base
Hardened build
minimal ports, security patches applied at build time
Duplicati on Ubuntu 24.04
Azure
Storage
Duplicati, free and open source backup software that encrypts and deduplicates your files before storing them on local or cloud storage, all scheduled and restored from a web UI.
Overview
Duplicati is free, open source backup software with a modern web interface. It makes secure, space efficient backups: your files are compressed, encrypted with AES 256 on the machine before they are uploaded, and deduplicated so that only the blocks that changed are stored on each run. Backups can be sent to a local folder, a network share or a wide range of cloud storage providers, and the scheduler, retention rules, backup jobs and a file by file restore browser are all driven from the web UI. Because encryption happens before upload, the storage provider only ever sees encrypted blocks.
Why the cloudimg image
cloudimg delivers Duplicati hardened and fully patched on Ubuntu 24.04 LTS. The web interface is secure by default: cloudimg generates a unique web UI password on each instance's first boot, binds the Duplicati server to loopback, and serves it only over HTTPS through an nginx reverse proxy, so nobody reaches your backups without the per instance password. Every image is paired with a step by step deploy guide and backed by 24/7 support.
Common uses
- Scheduled encrypted backups of your servers
- Backing up to cloud object storage providers
- Restoring individual files from deduplicated backups
See it running
Real screenshots taken while testing this image against its deployment guide.
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