Login or Register to Ask a Question and Join Our Community


UNIX for Dummies Questions & Answers

Unscheduled crontab execution

 
Thread Tools Search this Thread
Top Forums UNIX for Dummies Questions & Answers Unscheduled crontab execution
# 15  
Old 05-07-2009
Quote:
Originally Posted by vbe
For me it would be:
all the sundays of 5th month AND the 25th day of that month
Hi vbe,
Yes, it must be the case - bit of quirk when you think that it's used for scheduling & when each field is qualified, you don't expect it to run on any other day - well I never did until now.

Since May 25th of 2008 until April 30th of this year, it's been sitting dormant - like I'd have expected. And the first Sunday in May it has come back to bite me.

I've actually removed the entry from the crontab for both users as this occurred in a Production environment. However I'll set up a test job under my account on the Development environment to see if it kicks off again this Sunday.

Cheers,
Cameron
 
Login or Register to Ask a Question

Previous Thread | Next Thread

9 More Discussions You Might Find Interesting

1. HP-UX

Crontab Execution

Hi Guys, I need help to clear my doubt w.r.t Crontab execution. uname -a HP-UX myservername B.11.31 U ia64 1422528451 unlimited-user licenseI created a crontab entry to execute particular job on Saturday 11/15/2014 11:22 Below is the cron entry #refresh DEVDB from PRODDB 22 11 15 11 6... (6 Replies)
Discussion started by: rocky.community
6 Replies

2. UNIX for Dummies Questions & Answers

Execution Problems with Crontab

Dear Folks, I have written a shell script which internally connects to oracle database through sqplplus command line. The script runs fine when run manually. Now I am scheduling it to run (Linux environment) from crontab. In crontab it is failing with an error: sqlplus command... (6 Replies)
Discussion started by: tamojitc
6 Replies

3. Shell Programming and Scripting

Problem with Job execution using crontab

Hi All, I am facing a problem with crontab.I made an entry in crontab like this 05 07 * * * /afs2/cdwfullacc/current/exe/cdw_generate_special_klant.sh > /afs2/cdwfullacc/current/scratch/cdw_gen_cron.log But job was not getting executed. Entry in crontab was made with same user by whom... (4 Replies)
Discussion started by: krishna_gnv
4 Replies

4. Shell Programming and Scripting

Execution of Unix script after every second without crontab

Hi, I have shell script "A" which is executing oracle pl/sql procedure and initiate its multiple threads at a time as below on given user value in an other script "B". I want to execute script "A" after every second with out cron tab as " A " will keep on executing after every second till... (1 Reply)
Discussion started by: saad.imran@gmai
1 Replies

5. Shell Programming and Scripting

Expect Issue Serial Forground Execution vs Concurrent Background Execution

I have an expect script that interrogates several hundred unix servers for both access and directories therein using "ssh user@host ls -l /path". The combination of host/path are unique but the host may be interrogated multiple times if there are multiple paths to test. The expect script is run... (2 Replies)
Discussion started by: twk
2 Replies

6. UNIX for Dummies Questions & Answers

Problem with Crontab execution

Hi I have shell script to excute the SQL script.And i have scheduled those shell script in crontab.But the Shell script is not running timely and i got the below error Crontab entry 15 05 17 7 * /export/home/vcpsapp/vcps/stat.sh Output Your "cron" job on uspxivus16... (3 Replies)
Discussion started by: mak_boop
3 Replies

7. UNIX for Dummies Questions & Answers

Execution problems with crontab

I need your help please Inin a production system i found crontab entries was removed because i typed crontab -l with username corasc and didn't show anything. i asked the administrador to restored the mentioned crontab, he restored the crontab: The problem is when restored the crontab file is... (2 Replies)
Discussion started by: alexcol
2 Replies

8. Shell Programming and Scripting

crontab execution

is it possible to soecify time overnight in 5 days for example: 0 18-7 * * 1-5 /mycode is this okay to use 18-7 because im not getting the results correctly? (4 Replies)
Discussion started by: vadharah
4 Replies

9. Shell Programming and Scripting

execution without ./

I want to execute a shell script without ./ symbol. For example: ./my_script ===== my_script (both of them can execute my script) both of them are the same as result. (7 Replies)
Discussion started by: mehmetned
7 Replies
Login or Register to Ask a Question

LEARN ABOUT REDHAT

crond

CRON(8) 						      System Manager's Manual							   CRON(8)

NAME

       cron - daemon to execute scheduled commands (Vixie Cron)

SYNOPSIS

       cron

DESCRIPTION

       Cron should be started from /etc/rc or /etc/rc.local.  It will return immediately, so you don't need to start it with '&'.

       Cron searches /var/spool/cron for crontab files which are named after accounts in /etc/passwd; crontabs found are loaded into memory.  Cron
       also searches for /etc/crontab and the files in the /etc/cron.d/ directory, which are in a different format (see  crontab(5)).	Cron  then
       wakes up every minute, examining all stored crontabs, checking each command to see if it should be run in the current minute.  When execut-
       ing commands, any output is mailed to the owner of the crontab (or to the user named in the MAILTO environment variable in the crontab,	if
       such exists).

       Additionally,  cron checks each minute to see if its spool directory's modtime (or the modtime on /etc/crontab) has changed, and if it has,
       cron will then examine the modtime on all crontabs and reload those which have changed.	Thus cron need not be restarted whenever a crontab
       file is modified.  Note that the Crontab(1) command updates the modtime of the spool directory whenever it changes a crontab.

SEE ALSO

       crontab(1), crontab(5)

AUTHOR

       Paul Vixie <paul@vix.com>

4th Berkeley Distribution					 20 December 1993							   CRON(8)