iv
2.6 Operating System Groups ...................................................................................................... 2-16
2.6.1 Create a Group for the Inventory Directory ................................................................. 2-16
2.6.2 Create Groups for Database Administrators................................................................ 2-16
2.7 Operating System User ........................................................................................................... 2-17
2.8 Environment Variables ........................................................................................................... 2-18
2.8.1 Environment Variable Tips ............................................................................................. 2-18
2.8.2 ORACLE_HOME and ORACLE_SID............................................................................ 2-19
2.8.3 PATH, CLASSPATH, and LD_LIBRARY_PATH........................................................ 2-19
2.8.4 DISPLAY............................................................................................................................ 2-19
2.8.5 TMP and TMPDIR............................................................................................................ 2-20
2.8.6 TNS_ADMIN..................................................................................................................... 2-20
2.9 The /etc/hosts File .................................................................................................................. 2-21
2.9.1 Location of the Default Oracle Identity Management Realm .................................... 2-21
2.9.2 Hostname for OracleAS Single Sign-On........................................................................ 2-21
2.10 Network Topics........................................................................................................................ 2-22
2.10.1 Installing on Multihomed (Multi-IP) Computers ........................................................ 2-22
2.10.2 Copying CD-ROMs or DVD-ROM to Hard Drive, and Installing from the Hard Drive..
.................................................................................................................................. 2-22
2.10.3 Installing from a Remote CD-ROM or DVD-ROM Drive........................................... 2-23
2.10.4 Installing on Remote Computers.................................................................................... 2-24
2.10.5 Installing on NFS-Mounted Storage .............................................................................. 2-25
2.10.6 Running Multiple Instances from One Installation ..................................................... 2-25
2.10.7 Support for NIS and NIS+............................................................................................... 2-26
2.11 Prerequisite Checks Performed by the Installer.................................................................. 2-26
3 Things You Should Know Before Starting the Installation
3.1 Oracle Home Directory .............................................................................................................. 3-1
3.1.1 Installing in an Existing Oracle Home.............................................................................. 3-2
3.1.2 Installing in a Non-Empty Oracle Home ......................................................................... 3-2
3.2 Can I Use Symbolic Links? ........................................................................................................ 3-2
3.3 First-Time Installation of Any Oracle Product ....................................................................... 3-2
3.4 Installing Additional Languages .............................................................................................. 3-3
3.5 Oracle Application Server Instances and Instance Names ................................................... 3-3
3.6 The ias_admin User and Restrictions on its Password.......................................................... 3-4
3.7 Comparing Installing Components against Configuring Components.............................. 3-5
3.8 Where Does the Installer Write Files?...................................................................................... 3-5
3.9 Why Do I Need to be Able to Log In as Root at Certain Times During Installation?....... 3-6
3.10 Running root.sh During Installation........................................................................................ 3-6
3.11 Can I Modify Other Oracle Application Server Instances During Installation?................ 3-6
3.12 Connecting to Oracle Internet Directory Through SSL Connections.................................. 3-7
3.13 Obtaining Software from Oracle E-Delivery........................................................................... 3-7
3.13.1 Finding and Downloading the Oracle Application Server 10g (10.1.4.0.1) E-Pack.... 3-7
3.13.2 Finding Required and Optional Downloads ................................................................... 3-7
3.13.3 Disk Space Requirements ................................................................................................... 3-7
3.13.4 Software Requirements for Unzipping Files ................................................................... 3-7
3.13.5 Extracting Software from the Zip Files............................................................................. 3-8
3.14 Setting the Mount Point for the CD-ROM or DVD................................................................ 3-8
