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Full Discussion: Shell script help
Top Forums Shell Programming and Scripting Shell script help Post 302467823 by jim mcnamara on Sunday 31st of October 2010 12:39:40 PM
Old 10-31-2010
active login session - look for the user name in who output
Code:
 who | grep -q username && echo 'still logged in'

active process anywhere -
Code:
 ps -ef  | grep username | grep -v $USER

where $USER is the current processes username.
 

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DROP USER 
MAPPING(7) SQL Commands DROP USER MAPPING(7) NAME
DROP USER MAPPING - remove a user mapping for a foreign server SYNOPSIS
DROP USER MAPPING [ IF EXISTS ] FOR { username | USER | CURRENT_USER | PUBLIC } SERVER servername DESCRIPTION
DROP USER MAPPING removes an existing user mapping from foreign server. The owner of a foreign server can drop user mappings for that server for any user. Also, a user can drop a user mapping for his own user name if USAGE privilege on the server has been granted to the user. PARAMETERS
IF EXISTS Do not throw an error if the user mapping does not exist. A notice is issued in this case. username User name of the mapping. CURRENT_USER and USER match the name of the current user. PUBLIC is used to match all present and future user names in the system. servername Server name of the user mapping. EXAMPLES
Drop a user mapping bob, server foo if it exists: DROP USER MAPPING IF EXISTS FOR bob SERVER foo; COMPATIBILITY
DROP USER MAPPING conforms to ISO/IEC 9075-9 (SQL/MED). The IF EXISTS clause is a PostgreSQL extension. SEE ALSO
CREATE USER MAPPING [create_user_mapping(7)], ALTER USER MAPPING [alter_user_mapping(7)] SQL - Language Statements 2010-05-14 DROP USER MAPPING(7)
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