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Do you know how to automate server scripts with cron?


Asked by Raya Mayer on Dec 01, 2021 FAQ



For an introduction to Cron check-out our KB: How To: Automate Server Scripts With Cron. Knowing how to set up crontab is an important skill, but even if you’re not editing these knowing how to view them is important as well.
In this manner,
This article demonstrates how to run a cron job automatically after a server reboot. For example, you may want to run a particular script file or application after a server restarts. To do this, use the @reboot crontab directive in the cron job instead of a particular day or time.
Additionally, When writing or debugging scripts to be run by cron, you can always run your scripts manually through SSH. If you think your script isn't working, SSH into your server, view your crontab to see the exact command cron is running, and run the same command in your shell.
One may also ask,
If you would like to automate R scripts, one method is to use the cron daemon already packaged on Linux servers. Let’s say you have script in your home directory called random.R and you would like to schedule it to run at 5:30pm every day.
Next,
To schedule the backup script to run every night at 2am, open the root user's crontab: then enter the following: Save and exit the file. Let's try something a little more advanced. Schedule the backup script to run at 2am every Monday. Now, what does the crontab entry look like?