The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
30 */11 * * *
This cron command translates to the following (in Human-Readable format):
“Every 11 hours at 30 minutes past the hour.”
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 file containing commands and instructions for the cron daemon to execute.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 11 hours at 30 minutes past the hour“:
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 11 hours at 30 minutes past the hour for several reasons, including:
- Checking for updates to a software package
- Generating reports
- Synchronizing data between servers
- Sending out reminders
Similar Cron Jobs
You might also want to run a crontab:
- every 5 hours
- every 10 hours
- every 1 hour
- every 8 hours
- every 5 hours at 10 minutes past the hour
- every hour between 12:00 am and 3:00 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 11 hours at 30 minutes past the hour. 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 crontab cheat sheet for a list of hundreds of popular cron jobs.