Re: Connect to specific cluster on command line

From: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
To: Carsten Klein <c(dot)klein(at)datagis(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: Connect to specific cluster on command line
Date: 2022-05-25 14:57:44
Message-ID: 8707ad0b877ae6245576452347c2efce327a4759.camel@cybertec.at
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On Wed, 2022-05-25 at 16:48 +0200, Carsten Klein wrote:
> So, forget about the packager. With core PostgreSQL tools it is possible
> to have more than one cluster. How do you specify what cluster to
> connect to with psql or pg_dump? Do I have to specify the cluster's
> corresponding Unix domain socket directory via the --host option?

With -h you specify the directory containing the socket, and
with -p (port) the name.

So you could

psql -h /var/run/postgresql -p 5555

to use the socket /var/run/postgresql/.s.PGSQL.5555

Yours,
Laurenz Albe
--
Cybertec | https://www.cybertec-postgresql.com

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