Installation on Debian
follow: https://vitux.com/how-to-install-dropbox-on-debian-10/
Change default directory
By default the Dropbox directory will be at “\~/Dropbox” To change default directory
/mnt/data dropbox
alias dropb="HOME=/mnt/data dropbox"
Exclude directories to sync
#dropbox or dropb
dropbox help exclude
dropbox exclude [list]
dropbox exclude add [DIRECTORY] [DIRECTORY] ...
dropbox exclude remove [DIRECTORY] [DIRECTORY] ...