11g r2 installation on oracle linux 5.5.pdf

11g R2 (11.2.0.1) INSTALLATION ON OEL 5.5

Exploring the Oracle DBA Technology by Gunasekaran , Thiyagu

ORACLE 11g R2 ON ORACLE ENTERPRISE LINUX 5.5

This document prepared just for informative and learning purposes for beginners. This is

based on a server installation with a minimum of 2G swap.

# root $ oracle

REQUIRED PACKAGES FOR ORACLE DESKTOP ENVIRONMENTS

GNOME Desktop Environment

APPLICATIONS

Editors

Graphical Internet

DEVELOPMENT

Development Libraries

Development Tools

GNOME Software Development

Java Development

Legacy Software Development

X Software Development

SERVERS

Server Configuration Tools BASE SYSTEM

Administration Tools

Base

Java

Legacy Software Support (select compat-db)

SYSTEM TOOLS

X Window System



DISABLE SECURE LINUX BY EDITING THE "/etc/selinux/config" FILE

SELINUX=disabled

ORACLE INSTALLATION PRE – REQUISITES To use the "oracle-validated" package to perform all your prerequisite setup, follow the

instructions at http://public-yum.oracle.com to setup the yum repository for OL, then

perform the following command. All necessary prerequisites will be performed automatically.

# cd /etc/yum.repos.d

# rm -f public-yum-el5.repo

# wget http://public-yum.oracle.com/public-yum-el5.repo

Triggers the Installation of oracle 11g Preinstall & Setup

# yum -y install oracle-validated

Updates System to Currently last Update & Patches.

# yum update

If we have NOT used the "oracle-validated” package to perform all prerequisites, we need

to manually install required rpms as per installation doc.

CREATE REQUIRED NUMBER OF GROUPS & USER

# groupadd oinstall

# groupadd dba

# useradd -g oinstall -G dba oracle

# passwd oracle

CREATE THE DIRECTORIES , ORACLE SOFTWARE WILL BE INSTALLED.

# mkdir -p /u01/app/oracle/product/11.2.0/dbhome_1

# mkdir -p /u01/app/oracle/oraInventory

# chown -R oracle:oinstall /u01

# chmod -R 775 /u01/app/oracle/

http://public-yum.oracle.com/

http://public-yum.oracle.com/public-yum-el5.repo



ORACLE 10G REQUIRED KERNEL PARAMETER SETTINGS

In this location vi /etc/sysctl.conf" file

net.ipv4.ip_forward = 0

net.ipv4.conf.default.rp_filter = 1

net.ipv4.conf.default.accept_source_route = 0

kernel.sysrq = 0

kernel.core_uses_pid = 1

net.ipv4.tcp_syncookies = 1

kernel.msgmnb = 65536

kernel.msgmax = 65536

kernel.shmmax = 2147483648

kernel.shmall = 2097152

kernel.shmmni = 4096

kernel.sem = 250 32000 100 128

fs.file-max = 6815744

fs.aio-max-nr = 1048576

net.ipv4.ip_local_port_range = 9000 65500

net.core.rmem_default = 1048576

net.core.rmem_max = 4194304

net.core.wmem_default = 262144

net.core.wmem_max = 1048576

RUN THE FOLLOWING COMMAND

To Set the Current Kernel Parameters without Rebooting the System.

# /sbin/sysctl -p

# /sbin/sysctl -a | grep <param-name> # values can be tested , if we wish to check.

CHANGE vi /etc/pam.d/login FILE & ADD THE FOLLOWING LINE

session required pam_limits.so



SET THE LIMITS FOR ORACLE USER

in this loction # vi /etc/security/limits.conf oracle soft nproc 2047

oracle hard nproc 16384

oracle soft nofile 1024

oracle hard nofile 65536

# xhost +

access control disabled, clients can connect from any host

UNZIP DATABASE SOFTWARE $ unzip linux.x64_11gR2_database_1of2.zip

$ unzip linux.x64_11gR2_database_2of2.zip

We can get a Single directory called "database" containing installation files.

$ cd database

[oracle@SERVER1 database] $ ./runInstaller

Starting Oracle Universal Installer...



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CONFIGURE .bash_profile for oracle user

$ vi .bash_profile

export ORACLE_BASE=/u01/app/oracle

export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/dbhome_1

export LD_LIBRARY_PATH=$ORACLE_HOME/lib

export PATH=$ORACLE_HOME/bin:$PATH

EXECUTE .bash_profile as ‘oracle’ user

$ . .bash_profile # xhost + Access control disabled, clients can connect from any host

$ dbca

11g r2 installation on oracle linux 5.5.pdf

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