postgresql “New Server Registration” connection problem on ubuntu?

“connection error” or “authentication problem” when trying to register a new server in pgAdmin III?

(ubuntu or xubuntu)

This post shows how to obtain & setup the “Host”, “Port”, “Username”, and “Password” of postgresql.

1) Obtain default port.  To do that, open up /etc/postgresql/x.xversion/main/postgresql.conf

See “port= 5432”. You may change the port used by postgresql.

postgresblog

2) Obtain Host.

Search the listen_addresses. For instance, here 'localhost' is my defaut host. You may alter the host here.

3) Change password.

Open terminal.

———————————————–

~$: psql -d postgres -U postgres

psql (9.1.3) Type "help" for help.
postgres=# alter user postgres with password 'mynewpassword'; ALTER ROLE
postgres=# q
~$:sudo /etc/init.d/postgresql restart
———————————————————-
Now you can run pgAdminIII. On form New Server Registration, set ‘Username’ to “postgres”, type in password you entered before, and the field ‘Name’ is up to your choice.

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