Re: Cannot connect to postgresql on port 5432

change md5 to trust and try to connect again
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On Monday, December 23, 2019, 02:30:35 PM EST, <soumik(dot)bhattacharjee(at)kpn(dot)com> wrote:

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Hi Experts,

 

Post installation of  PostgreSQL it is not listening on an IP, only on localhost.

 

Please suggest your inputs.

 

 

Used below command for installations –

 

# apt-get install postgresql-12

postgres=# select version();

                                                     version

------------------------------------------------------------------------------------------------------------------

PostgreSQL 12.1 (Debian 12.1-1.pgdg100+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 8.3.0-6) 8.3.0, 64-bit

(1 row)

 

Entries in ::: /etc/postgresql/12/main/pg_hba.conf

# Database administrative login by Unix domain socket

local   all             postgres                                peer

# TYPE  DATABASE        USER            ADDRESS                 METHOD

# "local" is for Unix domain socket connections only

local   all             all                                     peer

# IPv4 local connections:

host    all             all             127.0.0.1/32            md5

# IPv6 local connections:

host    all             all             ::1/128                 md5

# Allow replication connections from localhost, by a user with the

# replication privilege.

local   replication     all                                     peer

host    replication     all             127.0.0.1/32            md5

host    replication     all             ::1/128                 md5

 

Not connected

 

postgres(at)srv:/opt$ netstat -nlp | grep 5432

(Not all processes could be identified, non-owned process info

will not be shown, you would have to be root to see it all.)

tcp        0      0 127.0.0.1:5432          0.0.0.0:*               LISTEN      25857/postgres

unix  2      [ ACC ]     STREAM     LISTENING     74234    25857/postgres       /var/run/postgresql/.s.PGSQL.5432

 

 

postgres(at)srv:~$ telnet 10.133.214.32 5432

Trying 10.133.214.32...

telnet: Unable to connect to remote host: Connection refused