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I have 3 jobs in my crontab. I want to recieve emails if only 1 of them fails and not for other two. Is there any way to restric emails to one type of cronjob?
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* * * * * is a cron schedule expression wildcard, meaning your cron job should run every minute of every hour of every day of every month, each day of the week.
In the beginning of a crontab file you could use the MAILTO instruction to indicate you want the output to be sent as an e-mail to an e-mail address.
Log management systems and cron job monitoring systems can send email notifications, but they specialize in specific tasks.
Crontabs are the configuration files used by Cron to run services. Crontabs hold the configurations for which service to run and when it should run. Services are nothing more than an execution path to a script or application with possible additional commands. Cronjobs are the individual entries in that Crontab file.
Redirect the output of the two you don't care about to /dev/null if you don't ever want to see the output or to some file if you do.
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