Re: Stream pg_dumpall directly from CentOS7 to Red Hat server

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Brock reacted via Gmail


On Mon, 29 July 2024, 12:11 pm Tom Lane, <tgl@xxxxxxxxxxxxx> wrote:
Brock Henry <brock.henry@xxxxxxxxx> writes:
> I personally would create an ssh tunnel for port 5432, if ssh was open but
> 5432 was not.

+1, but I think your example is not quite right:

> ssh -L 5432:localhost:5432 redhat_ip_address
> pg_dumpall -U postgres | psql -h localhost -U postgres

If you have a local PG server, it's probably using 5432 so that ssh
can't bind to that.  I think you want something like

ssh -L 5433:localhost:5432 redhat_ip_address
pg_dumpall -U postgres | psql -h localhost -p 5433 -U postgres

where "5433" can be any locally-unused port number (caution: untested;
the ssh arguments may still not be quite right).

                        regards, tom lane

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