Re: cant connect to localhost:5432 (but unix socket ok)

On Thu, Feb 4, 2021 at 3:02 PM Joao Miguel Ferreira <
joao(dot)miguel(dot)c(dot)ferreira(at)gmail(dot)com> wrote:

> Hi Tom
>
> On Thu, Feb 4, 2021 at 2:50 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
>> Joao Miguel Ferreira <joao(dot)miguel(dot)c(dot)ferreira(at)gmail(dot)com> writes:
>> > On Thu, Feb 4, 2021 at 2:26 PM hubert depesz lubaczewski <
>> depesz(at)depesz(dot)com>
>> > wrote:
>> >>> My database is not listening on TCP/localhost, desptite it is
>> listening
>> >>>> on the unix socket. How can I investigate this?
>>
>> > it's on 5433:
>>
>> Hmm, something odd there, because a port number mismatch should have
>> resulted in psql failing to connect via unix socket either. Maybe
>> you have more than one active postmaster?
>>
>
"ps xauwww | grep postgres" shows only one postgres process (and a few
vaccum related)

>
> yes, I see your point. makes sense. the unix socket is actually also on
> 5433
>
> root(at)deb10tp:~# grep -nr 543 /etc/postgresql
> /etc/postgresql/11/main/postgresql.conf:63:port = 5433
> root(at)deb10tp:~# find /var/run/postgresql/ | grep 543
> /var/run/postgresql/.s.PGSQL.5433
> /var/run/postgresql/.s.PGSQL.5433.lock
> root(at)deb10tp:~#
>
>
>>
>> Anyway, given these settings, "psql -p 5433 -h localhost" should
>> connect. If you still get "connection refused" then you need to
>> look at the kernel firewall (packet filter) settings.
>>
>
> yes, with "-p 5433" I can connect
>
>
>>
>> regards, tom lane
>
>
> thanks
>
>