1. Enter the following command to display information about all mounted file systems:

   # df -k

   This command displays information about all the file systems mounted on the system, including:

   • The physical device name

   • The total amount, used amount, and available amount of disk space

   • The mount point directory for that file system

2. From the display, identify either one or two file systems that meet the disk space requirements mentioned earlier in this section.

3. Note the name of the mount point directory for each file system that you identified.

4. Enter commands similar to the following to create the recommended subdirectories in the mount point directory that you identified and set the appropriate owner, group, and permissions on them:

   # mkdir -p /mount_point/app/oracle_sw_owner # chown -R oracle:oinstall /mount_point/app/oracle_sw_owner # chmod -R 775 /mount_point/app/oracle_sw_owner

   For example, if the mount point you identify is /u01 and oracle is the user name of the Oracle software owner, then the recommended Oracle base directory path is as follows:

   
   

   /u01/app/oracle

8 Configuring the oracle User's Environment

You run Oracle Universal Installer from the oracle account. However, before you start Oracle Universal Installer, you must configure the environment of the oracle user. To configure the environment, you must:

• Set the default file mode creation mask (umask) to 022 in the shell startup file.

• Set the DISPLAY environment variable.

To set the oracle user's environment:

1. Start a new terminal session, for example, an X terminal (xterm).

2. Enter the following command to ensure that X Window applications can display on this system:

   $ xhost fully_qualified_remote_host_name

3. Complete one of the following steps:

   • If the terminal session is not connected to the system where you want to install the software, then log in to that system as the oracle user.

   • If the terminal session is connected to the system where you want to install the software, then switch user to oracle:

     $ su - oracle

4. To determine the default shell for the oracle user, enter the following command:

   
   

   $ echo $SHELL

5. Open the oracle user's shell startup file in any text editor:

   • Bash shell (bash) on Red Hat:

     $ vi .bash_profile

   • Bourne shell (sh), Bash shell on SUSE (bash), or Korn shell (ksh):

     $ vi .profile

   • C shell (csh or tcsh):

     % vi .login

6. Enter or edit the following line in the shell startup file, specifying a value of 022 for the default file mode creation mask:

   umask 022

7. If the ORACLE_SID, ORACLE_HOME, or ORACLE_BASE environment variable is set in the file, then remove the corresponding lines from the file.

8. Save the file, and exit from the editor.

9. To run the shell startup script, enter the following command:

   • Bash shell on Red Hat:

     $ . ./.bash_profile

   • Bourne shell, Bash shell on SUSE, or Korn shell:

     $ . ./.profile

   • C shell:

     % source ./.login

10. If you are not installing the software on the local system, then enter a command similar to the following to direct X applications to display on the local system:

    • Bourne, Bash, or Korn shell:

      
      

      $ DISPLAY=local_host:0.0 ; export DISPLAY

    • C shell:

      % setenv DISPLAY local_host:0.0

    In this example, local_host is the host name or IP address of the system that you want to use to display Oracle Universal Installer

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