Installing and Configuring Oracle Enterprise Linux 5 General Availability

Purpose

This tutorial describes how to install and configure Oracle Enterprise Linux 5 General Availability.

Topics

This tutorial covers the following topics:

 Overview
 Prerequisites
 Install Oracle Enterprise Linux 5 General Availability
 Perform Linux operating system pre-installation steps for Oracle Database 11g
 Summary

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Overview

When completed, operating system Oracle Enterprise Linux 5 General Availability will be installed.

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Prerequisites

Before you perform this tutorial, you should:

1.

Download Oracle Enterprise Linux 5 General Availability from
http://www.oracle.com/technologies/linux/index.html.

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Install Oracle Enterprise Linux 5 General Availability

Perform the following steps:

1.

Power on the machine with the DVD or disc1(CD) of OEL5GA.

 

2.

Press ENTER at the "boot:" prompt.

Note: If you don't press ENTER within 60 seconds, the installer will
automatically go to the next step. This is fine!

 

3.

Screen: "Welcome to Enterprise Linux" "CD Found"

Press the Tab key to highlight "Skip."
Press the Enter key.

 

4.

Screen: "Welcome to Enterprise Linux" GUI

Click Next.

 

 

5.

Screen: "Language Selection"

Select the appropriate language.
Click Next.

 

6.

Screen: "Keyboard Configuration"

Select the appropriate keyboard.
Click Next.

 

7.

Screen: "Warning." Read the warning.

Click Yes.

Note: If Linux already exists on the target hardware a choice will be given between "Install Enterprise Linux" or "Upgrade an existing Installation."

 

8.

Screen: "Disk Partitioning"

Check Review and Modify partitioning layout.
Click Next.

 

9.

Screen: "Warning"

Click Yes to each warning.

Note: This warning will appear for each defined disk.

 

10.

Screen: "Disk Partitioning"

Use the right hand side slide and review the disk configuration.

Click Next.

 

11.

Screen: "Boot Loader Configuration"

Click Next.

 

12.

Screen: "Network Configuration"

Select eth0 from Network Devices.
Check Active on Boot.
Click Edit.

 

13.

Screen: "Edit Interface eth0"

Uncheck Use dynamic IP configuration (DHCP)
Uncheck Enable IPv6 support
IP Address: 192.168.203.11
NetMask: 255.255.255.0
Click OK.

 

14.

Screen: "Network Configuration"

Under "Hostname" / Set the hostname:
Select manually
Enter hostname: stctestbox01.us.oracle.com

Under "Miscellaneous Settings"
Gateway: 192.168.203.2
Primary DNS: 144.20.190.70
Secondary DNS: 138.2.202.15

Click Next.

 

15.

Screen: "Time Zone Selection"

Choose the appropriate time zone.
Click Next.

 

16.

Screen: "Set Root Password"

Enter a secure password.

 

17.

Check the box next to Software Development. Select Customize now. Click Next.

 

18.

Select Development. Check the box next to Legacy Software Development.

 

19.

Select Base System. Check the box next to Legacy Software Development. Click Optional packages.

 

20.

Check the box next to compat-db. Click Close.

 

21.

Select Base System. Check the box next to System Tools. Click Optional packages.

 

22.

Slide down and check the box next to sysstat. Click Close.

 

23.

Click Next.

 

24.

Click Next.

 

25.

Installing Packages.

 

26.

Click Reboot.

 

27.

Click Forward.

 

28.

Read the license agreement. If you agree, select Yes, I agress to the License Agreement.

Click Forward.

 

29.

Click on the Firewall drop down menu and select Disabled. Click Forward.

 

30.

Read the warning. Click Yes.

 

31.

Click on the SELinux Setting drop down menu and select Disabled. Click Forward.

 

32.

Read the warning. Click Yes.

 

33.

Click Forward.

 

34.

Set the correct date and time. Click Forward.

 

35.

Click Forward.

 

36.

Read the warning. Click Continue.

 

37.

Click Forward.

 

38.

Click Finished. Click OK.

 

39.

OS installation complete.

Login. User root. Password oracle.

 

40.

Open a terminal window. Two options for opening a terminal window:

1. Right click on the desktop and select Open Terminal.

2. From the menu bar select Applications -> Accessories -> Terminal.

 

41.

Install additional RPMs needed for the Oracle Database installation.

Mount the OS installation media.

In the open terminal window execute these commands:

                                 
                                   
mkdir /media/cdrom
mount -t iso9660 -o ro /dev/cdrom /media/cdrom
cd /media/cdrom/Server
                                
                              

 

42.

Install RPM libaio-devel.

Execute:

                                 
                                   
rpm -ivh libaio-devel*rpm
                                
                              

 

43.

Install RPMs unixODBC and unixODBC-devel..

Execute:

                                 
                                   
rpm -ivh unixODBC-2*rpm unixODBC-devel-2*rpm
                                 
                              

 

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Perform Linux operating system pre-installation steps for Oracle Database 11g

Perform the following steps:

1.

As root, open a terminal window and perform these steps:

Edit /etc/hosts . The file should contain text similar to the following:

                               
                                 
127.0.0.1      localhost.localdomain    localhost
192.168.203.11 stctestbox01.us.oracle.com stctestbox01
                              
                            

 

2.

Now check /etc/hosts the network settings are good.

Issue these commands in a terminal window.

hostname
cat /etc/hosts | grep `eval hostname`

Note: The character before eval and after hostname above is not a single quote, it is a grave accent. On a standard US keyboard, the key for the grave accent is in the upper left-hand corner, on the same key as the tilde.

The results should be similar to the following:

                               
                                 
stctestbox01.us.oracle.com
192.168.203.11  stctestbox01.us.oracle.com   stctestbox01
                              
                            

 

3.

Configure the kernel.

Edit /etc/sysctl.conf .

Add the following to the file:

                               
                                 
# Kernel paramaters required by Oracle 11gR1
fs.file-max = 6553600
                                  
kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 1024 65000
net.core.rmem_default = 4194304
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 262144

 

4.

For the /etc/sysctl.conf changes to take effect now issue this command.

sysctl -p

 

5.

Edit /etc/security/limits.conf

Add these lines:

                               
                                 
oracle           soft    nproc           2047
oracle           hard    nproc           16384
oracle           soft    nofile          1024
oracle           hard    nofile          65536
       
                              
                            

 

6.

Edit /etc/pam.d/login

Add these lines:

                               
                                 
session    required     /lib/security/pam_limits.so
session    required     pam_limits.so
                              
               
                            

 

7.

Edit /etc/profile

Add these lines:

                               
                                 
if [ $USER = "oracle" ]; then
   if [ $SHELL = "/bin/ksh" ]; then
      ulimit -p 16384
      ulimit -n 65536
   else
      ulimit -u 16384 -n 65536
   fi
fi
                               
         
                            

 

8.

Create the operating system user to own the software installation and the supporting groups.

                                 
                                   
groupadd oinstall
groupadd dba
groupadd oper
useradd oracle
usermod -g oinstall -G dba,oper,oracle oracle
passwd oracle
                                
                              

 

9.

Edit /home/oracle/.bash_profile

Add these lines:

                               
                                 
umask 022

ORACLE_BASE=/u01/app/oracle
ORACLE_HOME=$ORACLE_BASE/product/11.1.0/db_1
ORACLE_SID=orcl
PATH=$ORACLE_HOME/bin:$PATH

export PATH
export ORACLE_BASE ORACLE_HOME ORACLE_SID
                               
         
                            

 

10.

Create the software installation directory.

                               
                                 
mkdir -p /u01/app
chown root:oinstall /u01/app
                              
                            

 

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Summary

In this tutorial, you learned how to:

 Install Oracle Enterprise Linux 5 General Availability
 Configure the operating system for an Oracle Database 11g installation

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