Re: Querying the hostname of the server

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От Ross J. Reedstrom
Тема Re: Querying the hostname of the server
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Msg-id 20100430141404.GB28614@rice.edu
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Ответ на Querying the hostname of the server  (Péter Kovács <maxottovonstirlitz@gmail.com>)
Ответы Re: Querying the hostname of the server  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Re: Querying the hostname of the server  (Péter Kovács <maxottovonstirlitz@gmail.com>)
Re: Querying the hostname of the server  (Glyn Astill <glynastill@yahoo.co.uk>)
Re: Querying the hostname of the server  (Julio Leyva <jcleyva@hotmail.com>)
Список pgsql-admin
On Fri, Apr 30, 2010 at 03:33:13PM +0200, Péter Kovács wrote:
> Hi,
>
> I have a number of PostgreSQL servers which I often access through ssh
> tunnel with Pgadmin3. I would like to double check which one I have landed
> on (if the tunnel is really configured the way I want). Is there a way to
> query the hostname from the catalogs?

Hmm, that's a bit tricky, since I assume you're using a local db
connection inside the tunnel, so inet_server_addr() probably returns
null. If you're talking unix/linux machines, then /etc/hostname _should_
have the current hostname in it, so:

create temp table foo (t text);
copy foo from '/etc/hostname';
select * from foo;
drop table foo;

Should work.

Ross
--
Ross Reedstrom, Ph.D.                                 reedstrm@rice.edu
Systems Engineer & Admin, Research Scientist        phone: 713-348-6166
The Connexions Project      http://cnx.org            fax: 713-348-3665
Rice University MS-375, Houston, TX 77005
GPG Key fingerprint = F023 82C8 9B0E 2CC6 0D8E  F888 D3AE 810E 88F0 BEDE

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