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Which is the best way to use cron?
The classic way to implement that is to use the venerable crontab facility from Unix systems. In classic Unix phylosophy, Cron is great at just one thing: starting a user defined command at a specific time specification, which can be… almost anything. Once in a blue moon.
When to use cron for scheduled data processing?
Even when using a reasonable programming language, the needs for a processing job that is scheduled in the background are a little more involved than that. Another important aspect in that usage of cron is the code management. Often enough cron commands are bash scripts.
Do you need to use cron in shell script?
When thinking about it this way, you certainly don’t want to implement the backbone of your business logic in a shell script that’s directly maintained in the production environment, do you? How NOT to use cron?
Advanced users can use cron via the Unix shell or the Account Control Center (ACC) to easily set up and maintain a schedule of programs to be run. Please note that you should not use both the Unix shell and the ACC to manage cron.
Why does cPanel run Crons at odd times?
The reasoning behind this is that most people set their crons to run at either the top or bottom of the hour. If everyone runs their crons at the same time, this can cause the crons to run slow and even slow the overall server down for regular website traffic. Setting it at an odd time ensures better performance of the script.
How do I notify my cron job when it runs?
Your cron job can notify you through email every time it runs. Simply type in the email address you wish to use in the field labeled Email, then click on the Update Email button. If you don’t want the notification, then you would need to redirect the command’s output like this:
When do cron jobs run when DST ends?
If you set a cron job to run in the DST hour “gap” (between 2 AM and 3 AM), your cron job will not run when DST begins and time jumps ahead one hour. In addition, if you have a cron job set to run in the DST hour “gap” and DST ends, your cron job will run twice.