Duplicati can run script before and after the perform of backup job. The script has (of course) the privileges of Duplicati process. Duplicati can’t mount anything.
Come to think of it, maybe I’m trying to use Duplicati as a remote storage provider! I recently invested some time mounting a remote share from a couple of cloud storage providers to the local filesystem. I was wondering if Duplicati could be exploited for this … but as far as I understand it works differently than I thought. Thank you very much for the clarification.
Yep! duplicati is a very good backup solution but it was intended as client side application*. Surely with scripts, crontab and the power of mount command you can reach your goal but IMHO this is “bloatware”.
*For example: I run duplicati on my PC and on my laptop. I use my NAS as repository for my backup - in my NAS duplicati insn’t installed: I provide the access to a directory of file system via ftp. Finally on my laptop, I use a little python script in order to perform the backup only when my laptop is connected to my wireless and my NAS is online.