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[LDM #JYK-429101]: setting up the ldm

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  • Subject: [LDM #JYK-429101]: setting up the ldm
  • Date: Tue, 26 Oct 2010 08:00:29 -0600
Larry,

> I've tried four times in the past year to set up an ldm on my computer
> to download wind files, without success.  I'll be attending the LDM
> training course in Boulder next week, where hopefully I can get some
> problems solved. In the meantime I decided to make one more attempt to
> get it running.
> 
> Right now, the problem is with the items executed in the crontab file.
> I set up the crontab file following the instructions at the following
> URL:
> 
> http://www.unidata.ucar.edu/software/ldm/ldm-6.8.1/basics/configuring.html#scour.conf
> 
> The crontab file currently looks like:
> 
> # m h  dom mon dow   command
> 0 0 * * * bash -l -c 'bin/ldmadmin newlog'
> 0 1,4,7,10,13,16,19,22 * * * bash -l -c 'bin/ldmadmin scour'
> 0,5,10,15,20,25,30,35,40,45,50,55 * * * * bash -l -c 'bin/ldmadmin
> addmetrics'
> 0 0 * * * bash -l -c 'bin/ldmadmin newmetrics'
> 
> I have also added my e-mail address to the .forward file in the ldm home
> directory so that error messages are forwarded to my e-mail account.
> 
> The problem is that these commands are somehow not being recognized when
> executed by crontab, even though I can execute them in the ldm home
> directory.
> 
> For example, every five minutes I receive an e-mail crom the Cron Daemon
> like the following:
> 
> From:
> Cron Daemon
> <address@hidden>
> To:
> address@hidden
> Subject:
> Cron <ldm@phobos> bash -l -c
> 'bin/ldmadmin addmetrics'
> Date:
> 10/25/2010 04:05:01 PM
> 
> 
> expr: syntax error
> 
> 
> But when I execute this command from the ldm home directory, I get no
> error message:
> 
> ldm@phobos:~$  bash -l -c 'bin/ldmadmin addmetrics'
> ldm@phobos:~$
> 
> Do you have any thoughts on what the problem might be?

Assuming you've set-up the LDM user as described in the documentation, then 
instead of entries like

> 0 0 * * * bash -l -c 'bin/ldmadmin newlog'

try

0 0 * * * bin/ldmadmin newlog

> Thanks,
> 
> Larry Mastin

Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: JYK-429101
Department: Support LDM
Priority: Normal
Status: Closed