Where is the output of crontab?
To verify whether the this job got executed successfully or not, check the /var/log/cron file, which contains information about all the cron jobs that gets executed in your system. As you see from the following output, john’s cron job got executed succesfully.
Where is crontab configuration file?
When you create a crontab file, it is automatically placed in the /var/spool/cron/crontabs directory and is given your user name. You can create or edit a crontab file for another user, or root, if you have superuser privileges.
Where can I Find my crontab log file?
Be careful when using an external email address to receive crontab logs. Frequently sent messages may get caught in a spam filter. You would then have to mark the messages as Not Spam for services like Yahoo, HotMail, or Gmail. An alternate solution would be to redirect the output of your crontab commands to a file of your choice.
How to log cron jobs in Ubuntu Linux?
If you want to verify if a crontab is running and not have to search for it in cron.log or syslog, create a crontab that redirects output to a log file of your choice – something like: Steps taken from: https://www.cyberciti.biz/faq/howto-create-cron-log-file-to-log-crontab-logs-in-ubuntu-linux/
Where do I find Cron log in syslog?
By default cron logs to /var/log/syslog so you can see cron related entries by using: There are at least three different types of logging: The logging BEFORE the program is executed, which only logs IF the cronjob TRIED to execute the command.
When to log the output of my Cron script?
CMD – Anything following this is the real command that got executed at that time. If there are any echo statements inside the backup.sh, you might want to log those into a file. In general, if the backup.sh cron script throws any output (including errors), you might want to log those to a log file.