crontab-daily-removebackups

# crontab -e

# Checks daily whether a file in the folder "/mnt/pve/freenas/dump" contains the name vzdump and deletes the file if it's older than 14 days
@daily /usr/bin/find /mnt/pve/freenas/dump/ -name 'vzdump*' -type f -mtime +14 -exec rm -f {} \;