You cannot, you can use either multiple values OR a range 0 1,2,3,4,5,6,7,8,10,11,12,13,14,15 * * * Source: Time tags are separated by spaces. Do not use spaces within a tag, this will confuse cron. All five tags must be present. They are a logical AND of each other. There is another space between the last … Read more
From here: Cron also supports ‘step’ values. A value of */2 in the dom field would mean the command runs every two days and likewise, */5 in the hours field would mean the command runs every 5 hours. e.g. * 12 10-16/2 * * root backup.sh is the same as: * 12 10,12,14,16 * * … Read more
There is no direct cron expression for every 2 weeks. I use the following cron expression, which is similar to 2 weeks, but not exactly for 2 weeks. cron expression for every 2 weeks on the 1st and the 15th of every month at 1:30 AM: 30 1 1,15 * *
0 18 * * * command to be executed ^ you need to set the minute, too. Else it would be running every minute on the 18th hour How to setup a cronjob in general: # * * * * * command to execute # │ │ │ │ │ # │ │ │ │ … Read more
Why invent the wheel? You can use cron and supervisord together. In supervisord, create a task with autostart=false In cron, use * * * * * supervisorctl start <taskname> to start the task every minute
* * * * * echo “hello” > /tmp/helloFile_$(date +\%Y\%m\%d\%H\%M\%S).txt You just need to escape the percent signs. Other date formats: http://www.cyberciti.biz/faq/linux-unix-formatting-dates-for-display/
The answer would be dependent on the variant/extension of cron you are using. Some variants do not handle the Daylight Saving Time, leading to missing jobs and twice run of the job. If you are using the Paul Vixie cron, then it does handle the DST changes. As per the cron man page: cron checks … Read more
If the first command is required to be completed first, you should separate them with the && operator as you would in the shell. If the first fails, the second will not run.
Change Minute to be 0. That’s it 🙂 Note: you can check your “crons” in http://cronchecker.net/ Example
Try this-: 00 01,13 * * * it will run at 1 A.M and 1 P.M