Carbonite is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The best Linux alternative is Duplicati, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Carbonite and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Carbonite are Spideroak One Backup (Paid), Déjà Dup (Free, Open Source), CrashPlan (Paid) and rdiff-backup (Free, Open Source).
Duplicati is a backup client that securely stores encrypted, incremental, compressed backups on local storage, cloud storage services and remote file servers. The Duplicati project was inspired by Duplicity and had similar functionality until 2008.
SpiderOak provides an easy, secure and consolidated online backup, storage, access, sharing & sync tool for Windows, macOS, and Linux (Ubuntu, Debian & Fedora). SpiderOak offers a different approach to online backup, synchronization, and sharing.
rdiff-backup backs up one directory to another, possibly over a network. The target directory ends up a copy of the source directory, but extra reverse diffs are stored in a special subdirectory of that target directory, so you can still recover files lost some time ago.
A graphical interface for the Rsync engine that will synchronise files between two computers either locally or over the internet. The beauty of Rsync is that it only transfers the exact part of a file that has changed (differential synchronisation), saving bandwidth and time.
Use odrive to access your ADrive account, along with all your other cloud services, from a single folder on your desktop. Transfer files using SCP, SFTP or Rsync over SSH using any standard clients. Apps for Android and Apple iOS.
Retrospect is a multi-platform backup solution supporting hybrid backup to disk, tape, NAS & Cloud, aimed at SMEs and MSPs. Main Editions include unlimited client/endpoint licenses. Site License Edition includes unlimited server licenses.