The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
* 1-9 * * *
This cron command translates to the following (in Human-Readable format):
“Every minute between 1:00 am and 9:00 am.”
What is a Cron Job & Crontab?
A cron job is a task that is scheduled to run at a specific time or interval. Cron jobs are commonly used to automate system maintenance or administration tasks, such as running backups or sending emails.
Crontab is a file that contains instructions for the cron daemon. The cron daemon is a program that runs in the background and executes tasks at specified times. The crontab file is used to specify which tasks are to be run and when they are to be run.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every minute between 1:00 am and 9:00 am“:
FUN FACT: One common use for cron jobs is to send out email reminders or notifications based on certain events (such as an upcoming deadline)..
You might want to set up a crontab or cron job to run every minute between 1:00 am and 9:00 am for several reasons, including:
- Checking if a server is still up and running
- Checking for errors in log files
- Running a backup script
Similar Cron Jobs
You might also want to run a crontab:
- every 11 minutes
- every 18 minutes
- every 3 minutes
- every 16 minutes
- every 30 minutes
- every 21 minutes
- every minute between 5:00 am and 7:00 am
- every minute between 2:00 pm and 4:00 pm
- every minute between 2:00 pm and 9:00 pm
FUN FACT: Cron jobs are automated processes that run on a schedule..
In this article, you learned how to set up a cron job that runs every minute between 1:00 am and 9:00 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.