psql -c COMMAND DATABASE
executes COMMAND using DATABASE and displays the results without
starting psql interactively.
Regards,
Eric Faulhaber
Lane Van Ingen wrote:
> What does the 'c' part of the -tc command do? It is not documented in
> any information I have.
>
> -----Original Message-----
> From: pgsql-admin-owner@postgresql.org
> [mailto:pgsql-admin-owner@postgresql.org]On Behalf Of Jim C. Nasby
> Sent: Monday, November 07, 2005 5:38 PM
> To: Chris Hoover
> Cc: pgsql-admin@postgresql.org
> Subject: Re: [ADMIN] Semi OT - Anyone monitoring PostgreSQL with nagios
>
>
> I'm not familiar with Nagios, but you should be able to do something
> like
>
> psql -tc 'select 1' database
>
> to see if it's alive and accepting queries.
>
> On Mon, Nov 07, 2005 at 04:18:55PM -0500, Chris Hoover wrote:
>
>>Is anyone using Nagios to monitor PostgreSQL?
>>
>>If so, is there any way to check for more than just your PostgreSQL
>
> instance
>
>>being up?
>>
>>This weekend, we had an issue where a database shutdown failed due to a
>>rogue query that would not die w/o a kill -9 being done on it. The
>
> database
>
>>remained up and accepted connections only to tell the connection to go
>
> away
>
>>because the database was shutting down.
>>
>>This up and accepting connections caused our Nagios instance to not report
>>the database being down.
>>
>>Any ideas on how to get around this?
>>
>>Thanks,
>>
>>Chris
>
>
> --
> Jim C. Nasby, Sr. Engineering Consultant jnasby@pervasive.com
> Pervasive Software http://pervasive.com work: 512-231-6117
> vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
>
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