Re: PgBouncer error - psql: could not connect to server: No such file or directory Is the server running locally and accepting connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.6432"?

Cursory observations below...

On Mon, Jul 6, 2015 at 11:04 AM, Ali Aktar <aktarali(at)gmail(dot)com> wrote:

> Hi Guys;
>
> Can I please get some assistance:
>
> I have postgres server running on the localhost:
> -bash-4.2$ telnet localhost 5432
> Trying ::1...
> Connected to localhost.
> Escape character is '^]'.
>
> -bash-4.2$ psql -U postgres
> psql (9.4.4)
> Type "help" for help.
>

​You are connecting to a unix socket and not a TCP/IP port​...

> postgres=# \list
> List of databases
> Name | Owner | Encoding | Collate | Ctype | Access
> privileges
>
> -----------+----------+----------+-------------+-------------+-----------------------
> postgres | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 |
> template0 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres
> +
> | | | | |
> postgres=CTc/postgres
> template1 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres
> +
> | | | | |
> postgres=CTc/postgres
> test | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 |
> (4 rows)
>
> pgbouncer.ini:
> [databases]
> template1 = host=127.0.0.1 port=5432 dbname=template1
>

​haven't proved PostgreSQL is listening on 127.0.0.1:5432 yet; only proved
it is listing on the local unix socket...

[pgbouncer]
> listen_port = 6432
> listen_addr = 127.0.0.1
> auth_type = trust
> auth_file = /etc/pgbouncer/userslist.txt
> logfile = /var/log/pgbouncer.log
> pidfile = /var/run/pgbouncer/pgbouncer.pid
> admin_users = postgres
>
> -bash-4.2$ telnet localhost 6432
> Trying ::1...
> telnet: connect to address ::1: Connection refused
> Trying 127.0.0.1...
> Connected to localhost.
> Escape character is '^]'.
>

​Listening on a tcp/ip port​...(ip4 only)

> 2015-07-06 15:02:00.233 11993 DEBUG C-0x2549910: (nodb)/(nouser)@
> 127.0.0.1:44274 P: got connection: 127.0.0.1:44274 -> 127.0.0.1:6432
>
> But here is the weird thing:
> When I try to run:
> -bash-4.2$ psql -p 6432 pgbouncer
>

...​but attempting to connect to a unix socket​

psql: could not connect to server: No such file or directory
> Is the server running locally and accepting
> connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.6432"?
>
> Please tell me what Im doing wrong?
>

​Try specifying "--host=localhost" or "--host=127.0.0.1"

> And another question, if I want to specify remote postgres DB's in the
> .ini file. How do I do that?
>
>
​[databases]
name = host=remote_ip_address​ etc...

David J.