ElayaRaja S <elayaraja(dot)s(at)gmail(dot)com> writes:
> Note: At the time of installing itself i get problem while setting permission as
> root& chown postgres.postgres /usr/local/pgsql/
> chown: `postgres.postgres': invalid user
Some versions of chown only support the notation user:group
not user.group --- looks like yours is one. I suspect also
that you failed to create the postgres user account properly.
regards, tom lane