This is regarding following:
The selected answer has one line:
use rsync the entire thing with something like: "rsync -axvPH --numeric-ids ..."
Can I have the complete command?
I want to implement 1 day full and 6 days incremental backup.
You may want to use something like BackupPC to do the backups for you. There are various other tools which will do rsync backups of this sort.
A tool like