Run a CRON job on the last day of the month?
To run a cron job on the last day of the month, you can use the following format in your crontab file:
0 0 28-31 * * [ $(date -d "+1 day" +%d) = "01" ] && /path/to/command
This cron job will run at midnight (0 hours and 0 minutes) on the 28th, 29th, 30th, or 31st of the month. The command to be executed will only run if the next day is the 1st of the next month, which means it's the last day of the current month. Replace
/path/to/command with the command you want to run.
Here's a breakdown of the format:
- The first
0represents the minute (0-59)
- The second
0represents the hour (0-23)
- The third field,
28-31, means the job will run on the 28th, 29th, 30th, or 31st day of the month.
***** in the fourth and fifth positions represent the month and day of the week (respectively). Using
***** means the job will run every month and every day of the week.
- The sixth field is a command that checks if the next day is the 1st of the next month using the
datecommand. If it is, then the command specified after the
&&will be executed.
So the cron job in the above format will run on the last day of the month.
How to run a Cron job weekly?
To run a cron job weekly, you can use the following format in your crontab file: 0 0 * * 0 /path/to/command This cron job will run at midnight (0 hour and 0 minute) on Sunday (day 0). Replace /path...Questions
How to run cron jobs every 5, 10, or 30 seconds?
By default, cron checks crontabs for cronjobs every minute. If you want to run a job every n seconds you need to use a simple workaround.Questions
How to set up a cron job for a specific time and date?
In this quick tutorial, we will take a look at how to set up a cron job to run at a specific time.Questions
How to run cron jobs every 5, 10, 15 or 30 minutes?
Every minute cron goes through all the crontabs and looks for the jobs that should be executed. The exact time of the execution can be specified using the cron syntax. Whenever the parameter matches the current date and time cron job is executed.Questions
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