Hello,
When I talk about remote file, I ignore the backup format. I use the restore function of my text document to see which version was backed up remotely
When I talk about synchronization, I meant transferring (with the blocks method) the content remotely (backup) and if necessary restore the most recent document on my p .;
I also took some time to read the documentation and other threads.
However, I am still lost. These documents are very technical, very long. I have difficulties to understand 
I would like to have the simplest answer of a command to put in part 5 of the configuration of the backup.
I’m on Ubuntu and can’t use an exe.
For now I just understand that I can put a warning with Using Duplicati from the Command Line - Duplicati 2 User's Manual but that this will not solve the problem.
As it is a suggestion for improvement, if it is not possible now I prefer to focus on the request for support: Backup that fails! , because I have a real big problem if backups do not finish. I can’t keep an eye on it all the time!
Regards