Re: createdb: could not connect to database postgres: FATAL: Ident authentication failed for user "root" error

[bijoy <bijoy(dot)franco(at)gmail(dot)com>]

Hi,

How to find out superuser 'postgres' password. How to change the password

Thanks in advance

Bijoy


On Sat, Mar 28, 2009 at 10:45 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> bijoy <bijoy(dot)franco(at)gmail(dot)com> writes:
> > when i tried creating database using 'createdb', following error
> occuered.
> > createdb mydb
> > createdb: could not connect to database postgres: FATAL:  Ident
> > authentication failed for user "root"
>
> You didn't say whose packaging of Postgres this is, but it looks like
> you're using a setup that has ident authentication selected.  That
> means the only user that can get in initially is user "postgres".
> (Well, actually, whatever the initial superuser is, but the odds are
> just about 100% that it's named "postgres".)  Your first step should
> probably be to create a postgres account for your regular userid
> (not root), say via
>
>        su - postgres
>        createuser joe
>
> If you don't want authentication to work this way, you can change the
> setup in pg_hba.conf.  See the manual under "Client Authentication".
> If you're the only person using the machine and you're unworried about
> someone cracking into it, you could just as well use "trust" mode
> and not bother with restrictions.
>
>                        regards, tom lane
>