topic Re: cronjob question? in Operating System - HP-UX

cronjob question?

John McDen — Wed, 12 Jun 2002 14:19:25 GMT

I have 2 cron jobs one is for stoping the database before the backup and the other is to start the databases.

I just need that it does not start-up the data base on a one single particular day.

How do I do that ?

Re: cronjob question?

Christopher McCray_1 — Wed, 12 Jun 2002 14:23:16 GMT

Hello,

For the job that starts up the db, just exclude the day . for example if that day was Tuesday:

00 06 * * 0,1,3,4,5,6 /start_command

Hope this helps

Chris

Re: cronjob question?

Dave La Mar — Wed, 12 Jun 2002 14:26:32 GMT

Crontab entry -
#min hour date month day cmnd
00 18 * * 1-3,5-7 start_script

Will run the command start_script
Mon-Wed and Thur-Sun.

Hope this helps.

dl

Re: cronjob question?

James R. Ferguson — Wed, 12 Jun 2002 14:27:14 GMT

Hi John:

The easist way is to skip that day in your crontab. For instance:

00 01 * * 0,1,2,4,5,6 /home/jrf/db.sh

...this would run at 0100 every day but day=3 (or Wednesday).

Regards!

...JRF...

Re: cronjob question?

Jeff Schussele — Wed, 12 Jun 2002 14:27:51 GMT

Hi John,

Depends - which day?

Day of the month - say the 21st
1 0 21 * * /path/to/command

Day of week - say Monday
1 0 * * 1 /path/to/command

A particular Monday every month - say the 3rd Monday
1 0 15,16,17,18,189,20,21 * 1 /path/to/command

If you just want to run this say every 21 days the best way is to use the at command & the ending command of the at command would be to make another at command destined for 21 days later.
If it's ONLY once then definitely use that at command.

HTH,
Jeff

Re: cronjob question?

Dave La Mar — Wed, 12 Jun 2002 14:29:55 GMT

Sorry, Chris is correct on the days ... it is 0-6.
0= Sunday.
I was thinking the date command days.
Use Chris's or a combo.

Embarassed.

Re: cronjob question?

MANOJ SRIVASTAVA — Wed, 12 Jun 2002 14:33:18 GMT

Hi John

There are two ways to do it :

0 6 * * 0 1 2 3 4 6 /

not to run on day 5 ie friday

or run it for the other days individually.

Manoj Srivastava

Re: cronjob question?

John McDen — Wed, 12 Jun 2002 14:36:28 GMT

Thanks to all of you ...

Re: cronjob question?

Jeff Schussele — Wed, 12 Jun 2002 14:37:11 GMT

Whoops...misread & a typo...sheesh...

Yes just exclude the day from command. Earlier responses are right on.

But let's add the xth day of the month
Let's say the 21st
1 0 1-20,22-31 * * /path/to/start_command

Now let's say the x day of the xth week
In this case the 3rd Monday
1 0 1-14,22-31 * 1 /path/to/start_command

HTH,
Jeff