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Re: Connection Refused Error

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On Monday 09 March 2009 4:11:49 pm JohnD wrote:
> Hi,
>
> I have two "identical" servers running CentOS 5.2 with PostgreSQL 8.3.5
> installed on both.  Prior to a reboot this morning, I was able to
> connect, remotely, to both of them and doing telnet <serve-rname> 5432
> brought up a prompt for them as well.
>
> However, I am now in the unfortunate situation of not being able to
> connect remotely to one particular server and cannot for the life of me
> figure out why  I am getting a connection refused:
>
> Connection refused. Check that the hostname and port are correct and
> that the postmaster is accepting TCP/IP connections.
>
> I can ssh into the server and do a psql <db-name> from the
> /var/lib/pgsql command prompt, as user postgres.  But, when I try to use
> a different user (psql -U user -p <db-name>), from the same prompt, I get:

This psql -U user -p <db-name> should be psql -U user -d <db-name>

>
> psql: could not connect to server: No such file or directory
>     Is the server running locally and accepting
>     connections on Unix domain socket "/tmp/.s.PGSQL.0"?
>
> When I look into the /tmp directory for the domain socket, I see:
>
> srwxrwxrwx  1 postgres postgres       0 Mar  9 17:44 .s.PGSQL.5432
> -rw-------  1 postgres postgres      25 Mar  9 17:44 .s.PGSQL.5432.lock
>
> Also, here is the relevant piece of my pg_hba.conf file:
>
> local   all         all                               trust
> # IPv4 local connections:
> host    all         all         127.0.0.1/32          trust
> host    all         all         192.168.0.0/16        md5
> host    all         all         172.16.0.0/16     password  # for a
> VMWare instance
>
> # IPv6 local connections:
> host    all         all         ::1/128               trust
>
> And, lastly, I use the following script as the postgres user to start
> PostgreSQL from the command prompt, manually:
>
> #!/bin/bash
>
> ARGV=$1
> PG_HOME=/var/lib/pgsql
> PG_WORK_DIR=$PG_HOME/data
>
> if [ "$1" = "start" ]
> then
>     pg_ctl -D $PG_WORK_DIR -l logfile start
> elif [ "$1" = "stop" ]
> then
>     pg_ctl -D $PG_WORK_DIR stop
> fi
>
> Nothing, that I am aware of, has changed on this server that would
> prevent the remote connection.  I have both SELinux and iptables
> disabled (off by default) since this is inside a firewall on a home
> network and is not available to the outside world.
>
> Any idea why I am no longer able to connect?
>
> Thanks for any and all help.
>
> John



-- 
Adrian Klaver
aklaver@xxxxxxxxxxx

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