The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
30 2 */10 * *
This cron command translates to the following (in Human-Readable format):
“Every 10 days at 2:30 am.”
What is a Cron Job & Crontab?
A cron job is a time-based task that is set to run at a specific interval. For example, a cron job could be set to run every day at midnight in order to update a database or send out nightly emails. Cron jobs are typically used for maintenance tasks that need to be performed regularly.
A crontab is a table or list of commands that are scheduled to run at specified times. The commands in a crontab file (also called a “cron table”) are normally executed by the cron daemon, which runs in the background and executes these commands automatically.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 10 days at 2:30 am“:
FUN FACT: Cron is one of the most versatile tools in a Linux administrator’s toolbox..
You might want to set up a crontab or cron job to run every 10 days at 2:30 am for several reasons, including:
- Automatically deleting old temporary files that are no longer needed
- Sending out a daily digest email to all users of a website
- Generating reports on website usage statistics
- Checking for updates to software dependencies and installing them if available
Similar Cron Jobs
You might also want to run a crontab:
- every 1 day
- every 4 days
- every 5 days
- every 6 days
- every 10 days
- every 7 days
- every 4 days at 10:30 am
- every 8 days at 10:30 am
FUN FACT: If you need to delete a cron job, simply remove the corresponding line from the crontab file and save your changes..
In this article, you learned how to set up a cron job that runs every 10 days at 2:30 am. 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.