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Cronjob

The administration of servers, databases and software environment contains regularly recurring tasks, which can be executed automatically with a Cronjob at certain times.

What is a Cronjob?

Scheduled tasks that are executed by a software utility called Cron are referred to as Cronjobs. Cron is a time-based job scheduler for Unix and Unix-like computer operating systems. Cron is used to schedule and execute recurring tasks at a specific time. The name Cron comes from the Greek word “Chronos” meaning time.

What tasks are performed by a Cronjob?

Cron is best suited for scheduling recurring tasks. Scheduling one-time tasks can be done with the associated utility “at”.

Cronjob s can:

  • delete temporary files
  • delete obsolete records in a database
  • publish new content on a web page
  • download e-mails at regular intervals
  • send e-mails at specific times
  • create statistics

Commands or scripts can be scheduled to run automatically at a specific time on a specific date. A Cronjob can be executed at a specific minute, hour, day of the week, day of the month, month, or any combination thereof.

For more information on this topic, click here:
https://de.wikipedia.org/wiki/Cron


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