Solved

Setting task in crontab to be execuded everyday

Posted on 2015-02-08
2
110 Views
Last Modified: 2015-03-05
I need to get executed myscript.ksh everyday at 7:05 a.m.

How can i say that in my crontab??
0
Comment
Question by:celtician
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
2 Comments
 
LVL 68

Accepted Solution

by:
woolmilkporc earned 500 total points
ID: 40597116
User crontab:

5 7 * * * /path/to/myscript.ksh >/path/to/myscript.log 2>/path/to/myscript.err

System crontab (/etc/crontab):

5 7 * * * username  /path/to/myscript.ksh >/path/to/myscript.log 2>/path/to/myscript.err

The first field defines the minute (0-59 or *) , the second defines the hour (0-23 or *).
The asterisks mean "every possible value", where the third field defines the day of month (1-31 or *), the next one defines the month (1-12 or * ) and the fifth one defines the day of week (0-6 or 1-7 or *; 0 or 7 mean "Sunday").
The sixth field is in the system crontab the name of the user under whose credentials the script should run, in the user crontab it's the name of the command/script (which is the seventh field in the system crontab).

Instead of ">/path/to/myscript.log 2>/myscript.err" you can discard all possible output with ">/dev/null 2>&1".
0
 
LVL 38

Expert Comment

by:Gerwin Jansen, EE MVE
ID: 40597283
If you run into errors while cron is executing your myscript.ksh - check the script if it needs any path settings. When you run myscript.ksh interactively in your environment it will probably run just fine. You may need to set a path in your script or put every command in there with a full path so it runs from cron as well.
0

Featured Post

Technology Partners: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Introduction Regular patching is part of a system administrator's tasks. However, many patches require that the system be in single-user mode before they can be installed. A cluster patch in particular can take quite a while to apply if the machine…
Why Shell Scripting? Shell scripting is a powerful method of accessing UNIX systems and it is very flexible. Shell scripts are required when we want to execute a sequence of commands in Unix flavored operating systems. “Shell” is the command line i…
Learn several ways to interact with files and get file information from the bash shell. ls lists the contents of a directory: Using the -a flag displays hidden files: Using the -l flag formats the output in a long list: The file command gives us mor…
Learn how to navigate the file tree with the shell. Use pwd to print the current working directory: Use ls to list a directory's contents: Use cd to change to a new directory: Use wildcards instead of typing out long directory names: Use ../ to move…

739 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question