To run duply periodically you can add these options to your
	/etc/periodic.conf or /etc/periodic.conf.local

         Configuration Settings (with default values):
        
         backup_duply_enable="NO"
        	enable duply backup
        
         backup_duply_profile=""
        	default duply profile to use
        	see duply usage
        
         backup_duply_command="bkp_status"
        	default duply commands
        
         backup_duply_opt=""
        	options passed to duply
        
         backup_duply_random="0"
        	randomize backup time
        

	Add these lines to your /etc/crontab
	10	3	*	*	*	root	periodic backup