Re(2): Re: cannot create new user in postgres

joydip@cal2.vsnl.net.in writes:
>Dear Mike,
>
>    I am trying to create the user but it was giving folllowing errors
>
>    [postgres@ns data]$ su siddharta
>    su: user siddharta does not exist  
>
>    This is how I created the user........
>
>    [postgres@ns data]$ createuser siddharta
>    Enter user's postgres ID -> 567
>    Is user "siddharta" allowed to create databases (y/n) y
>    Is user "siddharta" a superuser? (y/n) y
>    createuser: siddharta was successfully added
>
>    I am looking 4 seriuos help.
>
>    Thanks in advance

from 'man createuser'
	createuser - Create a new Postgres user
and this will be stored it in the pg_shadow table.

as for the 'su', you cannot switch to the user unless it is
already added in /etc/passwd. you will have to use 
'useradd' for this. see 'man useradd'.