The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 0 */2 * *
This cron command translates to the following (in Human-Readable format):
“Every 2 days.”
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 typically used for maintenance tasks, such as backing up data or updating software.
A crontab is a text file containing a list of commands that are executed at specified times. The commands in the crontab are executed by the cron daemon, which runs in the background and checks for new entries every minute.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 2 days“:
FUN FACT: If you want to see what commands are scheduled in your crontab, type: “crontab -l”.
You might want to set up a crontab or cron job to run every 2 days for several reasons, including:
- Sending a reminder email every 2 days
- Checking for updates from a remote server every 2 days
- Running a backup script every 2 days
- Generating reports every 2 days
Similar Cron Jobs
You might also want to run a crontab:
- every 4 days
- every 2 days
- every 5 days
- every 6 days
- every 7 days
- every 9 days
- every 2 days at 12:30 pm
- every 1 day at 6:00 am
- every 1 day at 10:00 pm
FUN FACT: Cron jobs can be set up to run at specific times, or they can be configured to run periodically (e.g., every hour)..
In this article, you learned how to set up a cron job that runs every 2 days. 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.