Oracle 11g Installations Steps:

 Oracle 11g Installations Steps:

Oracle 11g software installation on RHEL 5

Set Kernel Parameters

# vi /etc/sysctl.conf

fs.aio-max-nr = 1048576

fs.file-max = 6815744

kernel.shmall = 2097152

kernel.shmmax = 536870912

kernel.shmmni = 4096

kernel.sem = 250 32000 100 128

net.ipv4.ip_local_port_range = 9000 65500

net.core.rmem_default = 262144

net.core.rmem_max = 4194304

net.core.wmem_default = 262144

net.core.wmem_max = 1048586

# sysctl -p

Set User Limits

# /etc/security/limits.conf

oracle              soft    nproc   2047

oracle              hard    nproc   16384

oracle              soft    nofile  1024

oracle              hard    nofile  65536

# vi /etc/pam.d/login

session    required     pam_limits.so

#  /etc/selinux/config

SELINUX=disabled

Install OS Packages

# rpm -Uvh binutils-2.*

# rpm -Uvh compat-libstdc++-33*

# rpm -Uvh compat-libstdc++-33*.i386.rpm

# rpm -Uvh elfutils-libelf*

# rpm -Uvh gcc-4.*

# rpm -Uvh gcc-c++-4.*

# rpm -Uvh glibc-2.*

# rpm -Uvh glibc-common-2.*

# rpm -Uvh glibc-devel-2.*

# rpm -Uvh glibc-headers-2.*

# rpm -Uvh ksh*

# rpm -Uvh libaio-0.*

# rpm -Uvh libaio-devel-0.*

# rpm -Uvh libgomp-4.*

# rpm -Uvh libgcc-4.*

# rpm -Uvh libstdc++-4.*

# rpm -Uvh libstdc++-devel-4.*

# rpm -Uvh make-3.*

# rpm -Uvh sysstat-7.*

# rpm -Uvh unixODBC-2.*

# rpm -Uvh unixODBC-devel-2.*

# groupadd oinstall

# mkdir -p /u01/app/oracle/product/11.2.0/db_1

# chown -R oracle:oinstall /u01

# chmod -R 775 /u01

# su - oracle

$ vi .bash_profile

export ORACLE_UNQNAME=DB11G

export ORACLE_BASE=/u01/app/oracle

export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1

export ORACLE_SID=DB11G;

export PATH=/usr/sbin:$PATH:$HOME/bin

export PATH=$ORACLE_HOME/bin:$PATH

export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib

export CLASSPATH= $ORACLE_HOME/JRE: $ORACLE_HOME/jlib

                                                                            :ORACLE_HOME/rdbms/jlib

$ exit

# mkdir /software/11gDatabase

Insert Oracle 11g Software Disk1

# mount /dev/cdrom   /mnt

# cp -r  *  /software/11gDatabase

# cd /

# eject

Insert Oracle 11g Software Disk2

# mount /dev/cdrom   /mnt

# cp -r  *  /software/11gDatabase

# cd /

# eject

# unzip linux.x64_11gR2_database_1of2.zip

# unzip linux.x64_11gR2_database_2of2.zip

# chown -R oracle:oinstall  /software

# chmod -R 755  /software

# init 6

Login as Oracle user

$ cp /software/11gDatabase/Disk1

$ ./runInstaller

1. Configure Security Updates à Click  “Next”

2. Select installation option – Choose “Create and configure a database” then click “Next”

3. System Class – Choose “Server Class” then click “Next”

4. Node Selection – Choose “Single instance database installation” then click “Next”

5. Select Install Type – Choose “Typical install” then click “Next”

6. Typical install configuration – Click “Next”

7. Create Inventory – Click “Next”

8. Perform Prerequisite Checks – Click “Next”

9. Summary – Click “Next”

10. Install Product

11. Database configuration Assistant – click “Ok”

12. Execute configuration Scripts – Click “Ok”

13. Finish – click “Close”