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Chapter 25. Setting Oracle Environments
Since the Oracle Universal Installer (OUI) "runInstaller" is run from the oracle account, some environment variables must be configured for this account before OUI is started.
Execute the following commands for the
Bash which is the default shell on Red Hat Enterprise Linux, to verify your shell run: echo $SHELL):
su - oracle export ORACLE_BASE=/u01/app/oracle export ORACLE_SID=orcl
su - oracle
export ORACLE_BASE=/u01/app/oracle
export ORACLE_SID=orclNote
If
ORACLE_BASE is used, then Oracle recommends that you do not set the ORACLE_HOME environment variable but that you choose the default path suggested by the OUI. You can set and use ORACLE_HOME after you finished running OUI.
The environment variables
ORACLE_HOME and TNS_ADMIN should not be set. If you set these environment variables, you can unset them by running the following commands:
unset ORACLE_HOME unset TNS_ADMIN
unset ORACLE_HOME
unset TNS_ADMIN
To have these environment variables set automatically each time you log on as
oracle, you can add these environment variables to the ~oracle/.bash_profile file which is the user start up file for the Bash on Red Hat Enterprise Linux. To do this you could simply copy and paste the following commands to make these settings permanent for your oracle accounts Bash shell:
su - oracle cat >> ~oracle/.bash_profile << EOF export ORACLE_BASE=/u01/app/oracle export ORACLE_SID=orcl EOF
su - oracle
cat >> ~oracle/.bash_profile << EOF
export ORACLE_BASE=/u01/app/oracle
export ORACLE_SID=orcl
EOF
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