ST03 or ST03N does not display data

Posted by Faisal Thursday, November 18, 2010 11:08 AM 0 comments
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In transaction ST03 or ST03N, the system does not recalculate or display any weekly workload data.


Cause:This problem occurs as of February 22, 2010 (22.02.2010).

Particularly for the weekly workload data, the entries in the key field SRTFD in the table MONI are created so that the last four digits are reserved for the consecutive week number, starting with December 24, 1990 (24.12.1990).

correction: Implement SAP note:1443908

Understanding or Administration CRON JOB

Posted by Faisal 10:59 AM 0 comments
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Crontab – Quick Reference

Setting up cron jobs in Unix and Solaris

cron is a unix, solaris utility that allows tasks to be automatically run in the background at regular intervals by the cron daemon. These tasks are often termed as cron jobs in unix , solaris. Crontab (CRON TABle) is a file which contains the schedule of cron entries to be run and at specified times.


Crontab Commands
export EDITOR=vi ;to specify a editor to open crontab file.
crontab -e Edit your crontab file, or create one if it doesn’t already exist.
crontab -l Display your crontab file.
crontab -r Remove your crontab file.
crontab -v Display the last time you edited your crontab file. (This option is only available on a few systems.)

Crontab syntax :

A crontab file has five fields for specifying day , date and time followed by the command to be run at that interval.

*     *     *   *    *        command to be executed
-     -     -   -    -
|     |     |   |    |
|     |     |   |    +----- day of week (0 - 6) (Sunday=0)
|     |     |   +------- month (1 - 12)
|     |     +--------- day of        month (1 - 31)
|     +----------- hour (0 - 23)
+------------- min (0 - 59)

* in the value field above means all legal values as in braces for that column.
The value column can have a * or a list of elements separated by commas. An element is either a number in the ranges shown above or two numbers in the range separated by a hyphen (meaning an inclusive range).

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