How to run cron once daily at 10pm

Question

I had entered     22       test  gt   dev null   However  I am being notified via email that this is running every minute  I am confused I guess because I thought this was correct for what I am wanting

User · Accepted Answer

It s running every minute of the hour 22 I guess  Try the following to run it every first minute of the hour 22   0 22

User · Answer

Here are some more examples   Run every 6 hours at 46 mins past the hour   46       6                   Run at 2 10 am   10     2                   Run at 3 15 am   15     3                   Run at 4 20 am   20     4                   Run at 5 31 am   31     5                   Run at 5 31 pm   31     17

User · Answer

The syntax for crontab              Minute 0-59  Hour 0-24  Day of month 1-31  Month 1-12  Day of week 0-6  Command to execute   Your syntax    22       test  gt   dev null   your job will Execute every minute at 22 00 hrs all week  month and year    adding an option  0-59  at the minute place will run it once at 22 00 hrs all week  month and year    0 22       command to execute    Source https   www adminschoice com crontab-quick-reference

User · Answer

Here is what I look at everytime I am writing a new crontab entry  To start editing from terminal -type   zee  crontab -e  what you will add to crontab file  0 22     0  some-user  opt somescript to run sh  What it means       user   gt   some-user           minute   gt     0                  lt  lt   on top of the hour    hour   gt   22                 lt  lt   at 10 PM  Military time    monthday   gt                  lt  lt   Every day of the month    month   gt                     lt  lt   Every month    weekday   gt     0                 lt  lt   Everyday  0 thru 6    sunday thru saturday     Also  check what shell your machine is running and name the the file accordingly OR it wont execute  Check the shell with either echo  SHELL or echo  0 It can be  quot Bourne shell  sh    Bourne again shell  bash  Korn shell  ksh   etc quot

User · Answer

To run once  daily at 10PM you should do something like this   0 22            Full size image  http   i stack imgur com BeXHD jpg  Source  softpanorama org

[bash] How to run cron once, daily at 10pm

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