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How to connect pgadmin of another system.

on 7/10/14, 10:31 AM 2,643 views


I have pgAdmin in two systems with the IPs and , I want to add the server in PgAdmin of sytem. I am getting the following error.

could not connect to server: Connection refused Is the server running on host "" and accepting TCP/IP connections on port 5432?

Following is my pg_hba.conf file

# PostgreSQL Client Authentication Configuration File
# ===================================================
# Refer to the "Client Authentication" section in the PostgreSQL
# documentation for a complete description of this file.  A short
# synopsis follows.
# This file controls: which hosts are allowed to connect, how clients
# are authenticated, which PostgreSQL user names they can use, which
# databases they can access.  Records take one of these forms:
# (The uppercase items must be replaced by actual values.)
# The first field is the connection type: "local" is a Unix-domain
# socket, "host" is either a plain or SSL-encrypted TCP/IP socket,
# "hostssl" is an SSL-encrypted TCP/IP socket, and "hostnossl" is a
# plain TCP/IP socket.
# DATABASE can be "all", "sameuser", "samerole", "replication", a
# database name, or a comma-separated list thereof. The "all"
# keyword does not match "replication". Access to replication
# must be enabled in a separate record (see example below).
# USER can be "all", a user name, a group name prefixed with "+", or a
# comma-separated list thereof.  In both the DATABASE and USER fields
# you can also write a file name prefixed with "@" to include names
# from a separate file.
# ADDRESS specifies the set of hosts the record matches.  It can be a
# host name, or it is made up of an IP address and a CIDR mask that is
# an integer (between 0 and 32 (IPv4) or 128 (IPv6) inclusive) that
# specifies the number of significant bits in the mask.  A host name
# that starts with a dot (.) matches a suffix of the actual host name.
# Alternatively, you can write an IP address and netmask in separate
# columns to specify the set of hosts.  Instead of a CIDR-address, you
# can write "samehost" to match any of the server's own IP addresses,
# or "samenet" to match any address in any subnet that the server is
# directly connected to.
# METHOD can be "trust", "reject", "md5", "password", "gss", "sspi",
# "krb5", "ident", "peer", "pam", "ldap", "radius" or "cert".  Note that
# "password" sends passwords in clear text; "md5" is preferred since
# it sends encrypted passwords.
# OPTIONS are a set of options for the authentication in the format
# NAME=VALUE.  The available options depend on the different
# authentication methods -- refer to the "Client Authentication"
# section in the documentation for a list of which options are
# available for which authentication methods.
# Database and user names containing spaces, commas, quotes and other
# special characters must be quoted.  Quoting one of the keywords
# "all", "sameuser", "samerole" or "replication" makes the name lose
# its special character, and just match a database or username with
# that name.
# This file is read on server startup and when the postmaster receives
# a SIGHUP signal.  If you edit the file on a running system, you have
# to SIGHUP the postmaster for the changes to take effect.  You can
# use "pg_ctl reload" to do that.

# Put your actual configuration here
# ----------------------------------
# If you want to allow non-local connections, you need to add more
# "host" records.  In that case you will also need to make PostgreSQL
# listen on a non-local interface via the listen_addresses
# configuration parameter, or via the -i or -h command line switches.


# If you change this first entry you will need to make sure that the
# database superuser can access the database using some other method.
# Noninteractive access to all databases is required during automatic
# maintenance (custom daily cronjobs, replication, and similar tasks).
# Database administrative login by Unix domain socket
local   all             postgres                                md5

# TYPE  DATABASE        USER            ADDRESS                 METHOD

# "local" is for Unix domain socket connections only
local   all             all                                     trust
# IPv4 local connections:
host    all             all               md5
# IPv6 local connections:
host    all             all             ::1/128                 md5
# Allow replication connections from localhost, by a user with the
# replication privilege.
#local   replication     postgres                                trust
#host    replication     postgres            md5
#host    replication     postgres        ::1/128                 md5

Please help me with a solution so that I can add as a pgadmin server in Thank you in advance.






You need also to change one property value in /etc/postgresql/9.1/main/postgresql.conf file,

uncomment this property #listen_addresses = 'localhost' and change like,

listen_addresses = '*'

Remember : You need to restart Postgresql database after changes.

Let me know if this helps,






On 7/23/14, 3:35 AM

Hi Hiren Vora,

Thanks for the reply but still I am unable to connect to pgadmin of other IP. I have configured it in my IP and the Ip for which I want to connect. But I am facing the same problem.


Thanks in advance.





Atul Kumar jain

--Atul Kumar jain--
| 5 3 7
Indore, India
--Atul Kumar jain--


Atul Kumar jain
On 7/23/14, 4:00 AM


rst you should edit /etc/postgresql/9.1/main/pg_hba.conf and edit this line

     host           all                 all                   MD5


     host            all              all      (Here you can give your address)   MD5

after this you should edit the /etc/postgresql/9.1/main/postgresql.conf file

    listen_address = ''


    listen_address = '*' (Here you can also put your ip address )

Ho[e this will help you

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Asked: 7/10/14, 10:31 AM
Seen: 2643 times
Last updated: 3/16/15, 8:10 AM