On Thu, Feb 4, 2021 at 3:04 PM Joao Miguel Ferreira <
joao.miguel.c.ferre...@gmail.com> wrote:

>
>
> On Thu, Feb 4, 2021 at 3:02 PM Joao Miguel Ferreira <
> joao.miguel.c.ferre...@gmail.com> wrote:
>
>> Hi Tom
>>
>> On Thu, Feb 4, 2021 at 2:50 PM Tom Lane <t...@sss.pgh.pa.us> wrote:
>>
>>> Joao Miguel Ferreira <joao.miguel.c.ferre...@gmail.com> writes:
>>> > On Thu, Feb 4, 2021 at 2:26 PM hubert depesz lubaczewski <
>>> dep...@depesz.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)
>

here is the full list:

root@deb10tp:~# ps xauww | grep postgres
postgres   825  0.0  0.1 213472 14980 ?        S    09:59   0:01
/usr/lib/postgresql/11/bin/postgres -D /var/lib/postgresql/11/main -c
config_file=/etc/postgresql/11/main/postgresql.conf
postgres   847  0.0  0.0 213572  5660 ?        Ss   09:59   0:00 postgres:
11/main: checkpointer
postgres   848  0.0  0.0 213472  3808 ?        Ss   09:59   0:00 postgres:
11/main: background writer
postgres   849  0.0  0.0 213472  3688 ?        Ss   09:59   0:00 postgres:
11/main: walwriter
postgres   850  0.0  0.0 214012  5628 ?        Ss   09:59   0:01 postgres:
11/main: autovacuum launcher
postgres   852  0.0  0.4 102172 34612 ?        Ss   09:59   0:10 postgres:
11/main: stats collector
postgres   853  0.0  0.0 213880  4260 ?        Ss   09:59   0:00 postgres:
11/main: logical replication launcher
root      9652  0.0  0.0   6208   884 pts/1    S+   15:06   0:00 grep
postgres
root@deb10tp:~#




>
>
>>
>> yes, I see your point. makes sense. the unix socket is actually also on
>> 5433
>>
>> root@deb10tp:~# grep -nr 543 /etc/postgresql
>> /etc/postgresql/11/main/postgresql.conf:63:port = 5433
>> root@deb10tp:~# find /var/run/postgresql/ | grep 543
>> /var/run/postgresql/.s.PGSQL.5433
>> /var/run/postgresql/.s.PGSQL.5433.lock
>> root@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
>>
>>

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