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