OAS10g

    Oracle Application Server 10g R2: Administration TOC

Oracle Application Server 10g R2: Administration I

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Oracle Application Server 10g R2: Administration II

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Oracle Application Server 10g R3: Administration

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Oracle Application Server 10g R2: Administration-1

Oracle Application Server 10g Release 2 (10.1.2) is an integrated, standards-based application platform suite that allows organizations of all sizes to respond better to changing business requirements.

The Oracle Application Server application platform suite can improve your organization's ability to predict and respond to market dynamics, enhance productivity, and simplify your information technology environment, all while allowing you to use your existing investments to their full potential. Oracle Application Server 10g Release 2 (10.1.2) achieves these goals through:

·         Service-Oriented Computing: Oracle Application Server uses a service-oriented computing architecture to facilitate the development of enterprise applications as business services, which enables you to build a flexible enterprise application infrastructure.

·         Grid Computing: The Oracle Application Server architecture coordinates the use of large numbers of low cost, modular servers and storage to act as one large computer to run your enterprise applications. This allows you to start small, minimize unused resources, and add processing or storage capacity as you need it.

Introduction
	Oracle Application Server 10g Release 2 (10.1.2) is the industry’s fastest, most comprehensive and integrated application platform suite. Oracle Application Server allows you to: Improve Your Organization's Ability to Predict and Respond to Change  Oracle Application Server enables you to develop and roll out new business services quickly, modernize your legacy systems and applications, and optimize business processes in response to market dynamics. Improve Your Organization's Productivity  Oracle Application Server facilitates better decision-making by providing accurate business intelligence, helping employees and customers find information when and where they need it, and enabling employee collaboration. Simplify Your Information Technology Environment  Oracle Application Server allows you to provision, deploy, monitor, and manage your enterprise applications as a single coherent infrastructure. Leverage Your Existing Investments  Oracle Application Server is modular, open, and extensible, allowing you to adopt it in a heterogeneous environment without needing to remove or replace your existing systems.

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New Features Introduced with Oracle Application Server 10g Release 2 (10.1.2)

• Enhanced provisioning capabilities and functionality—

This release includes enhanced capabilities and functionality with the Oracle Provisioning Service. You can also use the new Oracle Internet Directory Provisioning Console, a graphical interface for administrators to provision users in Oracle Internet Directory. The Provisioning Console was created with Oracle Delegated Administration Services, and works alongside the Oracle Internet Directory Self-Service Console.

• Graphical administration of the Oracle directory integration and provisioning server—You can now use the new Oracle Directory Integration and Provisioning Server Administration, a Java-based utility for graphically administering the Oracle directory integration and provisioning server.

• Express configuration of the Microsoft Active Directory Connector—

You can now perform an express configuration of the Microsoft Active Directory connector. Express configuration uses default settings to automatically perform all required configurations, and also creates two synchronization profiles, one for import and one for export.

Simplified configuration of Windows Native Authentication—this guide now includes detail instructions for configuring Windows native authentication.

 Oracle Application Server 10g Release 2 (10.1.2) Installation on Red-Hat Linux5.8

Check that the computers where you want to run Oracle Application Server meet the requirements. 

Check Hardware Requirements

 Hardware Requirements for Linux Systems

Item	Minimum Requirement	Checked by Installer
Processortype	Pentium (32-bit)	No
Processorspeed	450 MHz or faster	Yes
Network	You can install Oracle Application Server on a "standalone" computer that is not connected to a network. If you later change the network configuration, see the Oracle Application Server 10g Administrator's Guide for information on reconfiguring Oracle Application Server.	No
IP	The computer's IP address can be static or allocated using DHCP. If you later change the IP configuration, see the Oracle Application Server 10g Administrator's Guide for information on reconfiguring Oracle Application Server.	No
Memory .	The memory requirements provided for the various installation types represents enough physical memory to install and run Oracle Application Server. However, for most production sites, you should configure at least 1 GB of physical memory. For sites with substantial traffic, increasing the amount of memory further may improve your performance. For Java applications, you should either increase the maximum heap allocated to the OC4J processes, or configure additional OC4J processes to utilize this memory. See the Oracle Application Server Performance Guide for details. In determining the optimal amount of memory for your installation, the best practice is to load test your site. Resource requirements can vary substantially for different applications and different usage patterns. In addition, some operating system utilities for monitoring memory can overstate memory usage (partially due to the representation of 7shared memory). The preferred method for determining memory requirements is to monitor the improvement in performance resulting from the addition of physical memory in your load test. Refer to your platform vendor documentation for information on how to configure memory and processor resources for testing purposes. OracleAS Infrastructure: ·         OracleAS Metadata Repository and Identity Management: 1 GB ·         Identity Management only: 1 GB ·         OracleAS Metadata Repository only: 1 GB Oracle Application Server middle tier: ·         J2EE and Web Cache: 512 MB ·         Portal and Wireless: 1 GB OracleAS Developer Kits: 256 MB, but 512 MB recommended To determine the amount of memory, enter the following command: # grep MemTotal /proc/meminfo	Yes
Disk space	OracleAS Infrastructure: 3.3 GB Oracle Application Server middle tier: ·         J2EE and Web Cache: 1.4 GB ·         Portal and Wireless: 700 MB OracleAS Developer Kits: 710 MB The installer may display inaccurate disk space requirement figures. Refer to the figures listed above for disk space requirements. To determine the amount of free disk space, use the df command: prompt> df -k dir   Replace dir with the Oracle home directory or with the parent directory if the Oracle home directory does not exist yet. For example, if you plan to install Oracle Application Server in /opt/oracle/infra, you can replace dir with /opt/oracle or /opt/oracle/infra.	No
Space in/tmpdirectory	400 MB To determine the amount of free disk space in the /tmp directory, use the df command: prompt> df -k /tmp   If the /tmp directory does not have enough free space, you can specify a different directory by setting the TMP environment variable.	Yes
Swap space	1.5 GB of available swap space To determine the amount of available swap space, enter the following command: # grep SwapTotal /proc/meminfo   If necessary, see your operating system documentation for information on how to configure additional swap space.	Yes
Monitor	256 color display To determine your monitor's display capabilities, run the following command: prompt> /usr/X11R6/bin/xdpyinfo   Look for the "depths" line. You need a depth of at least 8 (bits per pixel).	Yes

4.1.1 Memory Requirements for Running Multiple Instances on the Same Computer

If you plan to run OracleAS Infrastructure and a middle tier on the same computer, ensure the computer meets the memory requirements listed in Section 4.1.

Note that these values have been tested against a small number of users. If you have many users, you might have to increase the amount of memory.

Table 4-4 Memory Requirements for Running Multiple Instances on the Same Computer

Description	Memory
OracleAS Infrastructure plus J2EE and Web Cache	1 GB
OracleAS Infrastructure plus Portal and Wireless	1.5 GB

4.1.2 Tips for Reducing Memory Usage

If you need to reduce memory consumption:

·         Configure only the components that you need.

·         Choose the smallest middle tier type that contains the components that you need.

·         After installation, start up only the components that you need. See the Oracle Application Server Administrator's Guide for details.

·         Run Application Server Control only when you need to administer an instance. In most cases, you do not need Application Server Control running all the time.

If you are running multiple Oracle Application Server instances on one computer, each Application Server Control can consume a lot of memory. Running Application Server Control only when you need it can free up memory for other components.

Download Software

Download the following software.

• Oracle Application Server 10g (9.0.4) Software

Unpack Files

Unpack the contents of the file.

cpio -idmv < as_linux_x86_core_101200.cpio

You should now have a directory (Disk1) containing installation files.

Hosts File

The "/etc/hosts" file must contain a fully qualified name for the server.

<IP-address>  <fully-qualified-machine-name>  <machine-name>

Set Kernel Parameters

Add the following lines to the "/etc/sysctl.conf" file.

kernel.shmall = 2097152

kernel.shmmax = 2147483648

kernel.shmmni = 4096

# semaphores: semmsl, semmns, semopm, semmni

kernel.sem = 256 32000 100 142

fs.file-max = 131072

net.ipv4.ip_local_port_range = 10000 65000

kernel.msgmni = 2878

kernel.msgmax = 8192

kernel.msgmnb = 65535

Run the following command to change the current kernel parameters.

/sbin/sysctl -p

Add the following lines to the "/etc/security/limits.conf" file.

*        soft   nproc         2047

*        hard   nproc         16384

*        soft   nofile        2048

*        hard   nofile        65536

Add the following line to the "/etc/pam.d/login" file, if it does not already exist.

session    required     pam_limits.so

Setup

Install the following packages.

# From RedHat AS3 Disk 2

cd /mnt/cdrom/RedHat/RPMS

rpm -Uvh setarch-1.3-1.i386.rpm

rpm -Uvh sysstat-4.0.7-4.EL3.3.i386.rpm

# From RedHat AS3 Disk 3

cd /mnt/cdrom/RedHat/RPMS

rpm -Uvh openmotif21-2.1.30-8.i386.rpm

rpm -Uvh ORBit-0.5.17-10.4.i386.rpm

rpm -Uvh libpng10-1.0.13-15.i386.rpm

rpm -Uvh gnome-libs-1.4.1.2.90-34.1.i386.rpm

rpm -Uvh compat-glibc-7.x-2.2.4.32.6.i386.rpm

         compat-gcc-7.3-2.96.128.i386.rpm

         compat-gcc-c++-7.3-2.96.128.i386.rpm

         compat-libstdc++-7.3-2.96.128.i386.rpm

         compat-libstdc++-devel-7.3-2.96.128.i386.rpm

Create the new groups and users.

groupadd oinstall

groupadd dba

groupadd oper

useradd -g oinstall -G dba -s /bin/ksh oracle

passwd oracle

Create the directories in which the Oracle software will be installed.

mkdir -p /u01/app/oracle/product/j2ee_10_1_2

chown -R oracle.oinstall /u01

Login as root and issue the following command.

xhost +<machine-name>

Login as the oracle user and add the following lines at the end of the ".profile" file.

# Oracle Settings

TMP=/tmp; export TMP

TMPDIR=$TMP; export TMPDIR

ORACLE_BASE=/u01/app/oracle; export ORACLE_BASE

ORACLE_HOME=$ORACLE_BASE/product/j2ee_10_1_2; export ORACLE_HOME

ORACLE_TERM=xterm; export ORACLE_TERM

PATH=/usr/sbin:$ORACLE_HOME/bin:$PATH; export PATH

PATH=$PATH:$ORACLE_HOME/dcm/bin:$ORACLE_HOME/opmn/bin; export PATH

PATH=$PATH:$ORACLE_HOME/Apache/Apache/bin; export PATH

if [ $USER = "oracle" ]; then

  if [ $SHELL = "/bin/ksh" ]; then

    ulimit -p 16384

    ulimit -n 16384

  else

    ulimit -u 16384 -n 16384

  fi

fi

PS1="`hostname`> "

set -o emacs

set filec

Installation

Log into the oracle user. If you are using X emulation then set the DISPLAY environmental variable.

DISPLAY=<machine-name>:0.0; export DISPLAY

Start the Oracle Universal Installer (OUI) by issuing the following command in the Disk1 directory.

./runInstaller

During the installation enter the appropriate ORACLE_HOME and name then continue with the installation.