01-07-2005
Quote:
PS1=' `pwd` `uname -n` # '
Above may not work if u put 'pwd'
Try this ....
export PS1=[`hostname`]'$PWD:> '
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LEARN ABOUT SUSE
dropuser
DROPUSER(1) PostgreSQL Client Applications DROPUSER(1)
NAME
dropuser - remove a PostgreSQL user account
SYNOPSIS
dropuser [ option... ] [ username ]
DESCRIPTION
dropuser removes an existing PostgreSQL user. Only superusers and users with the CREATEROLE privilege can remove PostgreSQL users. (To
remove a superuser, you must yourself be a superuser.)
dropuser is a wrapper around the SQL command DROP ROLE [drop_role(7)]. There is no effective difference between dropping users via this
utility and via other methods for accessing the server.
OPTIONS
dropuser accepts the following command-line arguments:
username
Specifies the name of the PostgreSQL user to be removed. You will be prompted for a name if none is specified on the command line.
-e
--echo Echo the commands that dropuser generates and sends to the server.
-i
--interactive
Prompt for confirmation before actually removing the user.
dropuser 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 the value begins with a slash, it is used as the directory
for the Unix domain socket.
-p port
--port port
Specifies the TCP 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 drop).
-w
--no-password
Never issue a password prompt. If the server requires password authentication and a password is not available by other means such as
a .pgpass file, the connection attempt will fail. This option can be useful in batch jobs and scripts where no user is present to
enter a password.
-W
--password
Force dropuser to prompt for a password before connecting to a database.
This option is never essential, since dropuser will automatically prompt for a password if the server demands password authentica-
tion. However, dropuser will waste a connection attempt finding out that the server wants a password. In some cases it is worth
typing -W to avoid the extra connection attempt.
ENVIRONMENT
PGHOST
PGPORT
PGUSER Default connection parameters
This utility, like most other PostgreSQL utilities, also uses the environment variables supported by libpq (see in the documentation).
DIAGNOSTICS
In case of difficulty, see DROP ROLE [drop_role(7)] and psql(1) for discussions of potential problems and error messages. The database
server must be running at the targeted host. Also, any default connection settings and environment variables used by the libpq front-end
library will apply.
EXAMPLES
To remove user joe from the default database server:
$ dropuser joe
To remove user joe using the server on host eden, port 5000, with verification and a peek at the underlying command:
$ dropuser -p 5000 -h eden -i -e joe
Role "joe" will be permanently removed.
Are you sure? (y/n) y
DROP ROLE joe;
SEE ALSO
createuser(1), DROP ROLE [drop_role(7)]
Application 2010-05-14 DROPUSER(1)