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Hide Oracle password for SQL*Plus

Oracle Tips by Burleson Consulting
June 12, 2009

Question: I have a [problem where the "ps -ef" command shows all SQL*Plus sessions, including the user ID's and passwords! As the DBA, how can I mask the passwords so that they cannot be seen from UNIX or Linux?

Answer: There are several methods for hiding or suppressing the SQL*Plus and other command line utilities passwords (SQL*Loader, RMAN, Data Pump). The most obvious way to mask the Oracle command line password is to not specify it from the command line:

root> sqlplus /nolog
SQL> connect scott/tiger

But for batch jobs, you must have the passwords in a file somewhere. One common method is to hide the password into a protected flat file with 700 permissions:

echo mysecretpassword > /tmp/mypass
chomd 700 /tmp/mypass
cat /tmp/mypass | sqlplus -s $USER << eoj >> $LOGFILE 2>&1

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