1. $ crontab -l
2. #minute (0-59),
3. #|  hour (0-23),
4. #|  |  day of the month (1-31),
5. #|  |  |  month of the year (1-12),
6. #|  |  |  |  day of the week (0-6 with 0=Sunday).
7. #|  |  |  |  |  commands
8. */5 * * * * /usr/bin/rsync -vv -a --delete nobody@192.168.1.10::mybestfolder /opt/mybestfolder  > /tmp/rsync_debug.log 2>&1