I am looking for an equivalent of Carbon Copy Cloner (or an equivalent process) for Linux. As a result I would like to have: live, incremental, file system based backup system, able to create bootable os instances on external drives.
@vvot, I think this previous question on Ask Fedora might be of help:
Timeshift, using BTRFS might be able to create something similar. Another excellent post was on the Fedora Magazine site on creating BTRFS snapshots and sending them to another device:
All being said, it’s close but not quite all the bits your looking for…