The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
*/28 * * * *
This cron command translates to the following (in Human-Readable format):
“Every 28 minutes.”
What is a Cron Job & Crontab?
A cron job is a scheduled task that is typically executed by the operating system. Cron jobs are often used to automate repetitive tasks, such as backing up files or checking for updates.
Crontab is a file that contains instructions for the cron daemon, which is a program that executes commands at specified intervals. Crontab files are typically edited with the crontab command, which allows users to create, edit, and delete their own crontab files.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 28 minutes“:
FUN FACT: Cron is one of the most powerful tools available on a Linux system – use it wisely!.
You might want to set up a crontab or cron job to run every 28 minutes for several reasons, including:
- A backup script
- A disk cleanup script
- A logrotate script
- A monitoring script
- A security check
Similar Cron Jobs
You might also want to run a crontab:
- every 15 minutes
- every 29 minutes
- every minute
- every 10 minutes
- every minute between 4:00 am and 8:00 am
- every minute between 12:00 am and 12:00 pm
FUN FACT: The most common way to edit cron jobs is using the crontab command – this stands for “cron table,” and it contains all the information about when your tasks should be executed..
In this article, you learned how to set up a cron job that runs every 28 minutes. Please share this page with friends and colleagues if you find it useful.
If you have any questions, please don’t hesitate to comment below.
If you are looking for cron jobs that run at certain minutes, hours, days, weekdays, or months, or if you are looking for miscellaneous cron jobs, then check out our relevant sections, or visit our cron job cheat sheet for a list of hundreds of popular cron jobs.