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CREATEUSER(1)			  PostgreSQL Client Applications		    CREATEUSER(1)

       createuser - define a new PostgreSQL user account

       createuser [ options... ] [ username ]

       createuser creates a new PostgreSQL user.  Only superusers (users with usesuper set in the
       pg_shadow table) can create new PostgreSQL users, so createuser must be invoked by someone
       who can connect as a PostgreSQL superuser.

       Being  a  superuser also implies the ability to bypass access permission checks within the
       database, so superuserdom should not be granted lightly.

       createuser is a shell script wrapper around the SQL command CREATE  USER  [create_user(7)]
       via the PostgreSQL interactive terminal psql(1). Thus, there is nothing special about cre-
       ating users via this or other methods. This means that the psql application must be  found
       by  the	script and that a database server must be running at the targeted host. Also, any
       default settings and environment variables used by psql and the	libpq  front-end  library
       will apply.

       createuser accepts the following command-line arguments:

	      Specifies  the name of the PostgreSQL user to be created.  This name must be unique
	      among all PostgreSQL users.


	      The new user is allowed to create other users.  (Note: Actually, this makes the new
	      user a superuser.  The option is poorly named.)


	      The  new user is not allowed to create other users (i.e., the new user is a regular
	      user, not a superuser).


	      The new user is allowed to create databases.


	      The new user is not allowed to create databases.


       --echo Echo the queries that createuser generates and sends to the server.


	      Encrypts the user's password stored in the database. If not specified, the  default
	      is used.

       -i uid

       --sysid uid
	      Allows  you  to pick a non-default user ID for the new user. This is not necessary,
	      but some people like it.


	      Does not encrypt the user's password stored in the database. If not specified,  the
	      default is used.


	      If  given, createuser will issue a prompt for the password of the new user. This is
	      not necessary if you do not plan on using password authentication.


	      Do not display a response.

       You will be prompted for a name and other missing information if it is  not  specified  on
       the command line.

       createuser also accepts the following command-line arguments for connection parameters:

       -h host

       --host host
	      Specifies  the  host  name  of  the machine on which the server is running. If host
	      begins with a slash, it is used as the directory for the Unix domain socket.

       -p port

       --port port
	      Specifies the Internet TCP/IP port or local Unix domain socket  file  extension  on
	      which the server is listening for connections.

       -U username

       --username username
	      User name to connect as (not the user name to create)


	      Force  password  prompt  (to connect to the server, not for the password of the new



       PGUSER Default connection parameters

	      All is well.

       createuser: creation of user "username" failed
	      Something went wrong. The user was not created.

       If there is an error condition, the backend error message will be displayed.   See  CREATE
       USER [create_user(7)] and psql(1) for possibilities.

       To create a user joe on the default database server:

       $ createuser joe
       Is the new user allowed to create databases? (y/n) n
       Shall the new user be allowed to create more new users? (y/n) n

       To create the same user joe using the server on host eden, port 5000, avoiding the prompts
       and taking a look at the underlying query:

       $ createuser -p 5000 -h eden -D -A -e joe

       dropuser(1), CREATE USER [create_user(7)]

Application				    2002-11-22				    CREATEUSER(1)
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