Crontab is not working on Amazon EC2 server

Question

Crontab is not working on Amazon EC2 Linux Server.

I have saved below codes in /etc/crontab file

crontab
# For details see man 4 crontabs 
# Example          


        

Answer 1

You should use crontab -e to create cron for the logged user, so that you don't need to inform the username. See here: https://stackoverflow.com/a/16986464/1777152