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

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
>