FreeFileSync Forum

I had success using the following syntax:

* * * * * /usr/bin/FreeFileSync/FreeFileSync '/path/to/sync-job.ffs_batch' --display=:0.0 2>&1

It seems unlikely that you can use 10 as the display sequence number as you probably don't have 10 displays connected to your computer.

HTH!

P.S.: I would ...