Resourcespace show error

Please help me to resolve these Three problem in resource space
1.FAIL:
‘/opt/bitnami/common/bin/avconv’ not found
2.FAIL:
‘/opt/bitnami/common/bin/exiftool’ not found
3.WARNING
Relevance matching will not be effective and periodic e-mail reports will not be sent. Ensure batch/cron.php is executed at least once daily via a cron job or similar.

Hello,

We answer you in this other Community case:

Best Regards,

Juan Ariza