Install Oracle 11g release 2 on CEntOS 6.3 ~ Dilli's Oracle/MySQL Linux Blog

Environment

Hostname: oel1.localdomain
Arch: x86_64
OS: CentOS 6.3
Oracle: 11.2.0.4
RAM: 4G
HDD: 500G

Required Linux Package:

binutils-2*x86_64*
glibc-2*x86_64* nss-softokn-freebl-3*x86_64*
glibc-2*i686* nss-softokn-freebl-3*i686*
compat-libstdc++-33*x86_64*
glibc-common-2*x86_64*
glibc-devel-2*x86_64*
glibc-devel-2*i686*
glibc-headers-2*x86_64*
elfutils-libelf-0*x86_64*
elfutils-libelf-devel-0*x86_64*
gcc-4*x86_64*
gcc-c++-4*x86_64*
ksh-*x86_64*
libaio-0*x86_64*
libaio-devel-0*x86_64*
libaio-0*i686*
libaio-devel-0*i686*
libgcc-4*x86_64*
libgcc-4*i686*
libstdc++-4*x86_64*
libstdc++-4*i686*
libstdc++-devel-4*x86_64*
make-3.81*x86_64*
numactl-devel-2*x86_64*
sysstat-9*x86_64*
compat-libstdc++-33*i686*
unixODBC-*x86_84
unixODBC-devel-*x86_84

Execute following command to verify the package installation.

rpm -q binutils glibc nss-softokn-freebl compat-libstdc++-33 glibc-common glibc-devel \
glibc-headers elfutils-libelf elfutils-libelf-devel gcc gcc-c++ ksh libaio libaio-devel \
libgcc libstdc++ libstdc++-devel make numactl-devel sysstat unixODBC unixODBC-devel

Add following kernel parameters. Add following lines on the /etc/sysctl.conf

fs.aio-max-nr = 1048576

fs.file-max = 6815744

#kernel.shmall = 2097152

#kernel.shmmax = 1054504960

kernel.shmmni = 4096

# semaphores: semmsl, semmns, semopm, semmni

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

Execute following command to reflect the above kernel parameters

/sbin/sysctl -p

Add following lines to /etc/security/limits.conf

oracle soft nproc 2047

oracle hard nproc 16384

oracle soft nofile 4096

oracle hard nofile 65536

oracle soft stack 10240

Add following line /etc/pam.d/login

session required pam_limits.so

Disable selinux. Modify /etc/selinux/config

SELINUX=disable

Stop iptables on Linux and disable iptables on startup

/etc/init.d/iptables stop

chkconfig iptables off

Execute following command to create OS groups and users.

groupadd -g 501 oinstall

groupadd -g 502 dba

groupadd -g 503 oper

useradd -u 502 -g oinstall -G dba,oper oracle

passwd oracle

Create required directories for oracle installation.

mkdir -p /u01/app/oracle/product/11.2.0.4/db_1

chown -R oracle:oinstall /u01/app/oracle

Add following environment variables on .bash_profile

ORACLE_HOSTNAME=OEL1.localdomain; export ORACLE_HOSTNAME

ORACLE_UNQNAME=orcl; export ORACLE_UNQNAME

ORACLE_BASE=/u01/app/oracle; export ORACLE_BASE

DB_HOME=$ORACLE_BASE/product/11.2.0.4/db_1; export DB_HOME

ORACLE_HOME=$DB_HOME; export ORACLE_HOME

ORACLE_SID=orcl; export ORACLE_SID

ORACLE_TERM=xterm; export ORACLE_TERM

BASE_PATH=/usr/sbin:$PATH; export BASE_PATH

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

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

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

On terminal window change directory to source and execute ./runInstaller

oracle@OEL1 database]$ ./runInstaller

Starting Oracle Universal Installer...

Checking Temp space: must be greater than 120 MB. Actual 25021 MB Passed

Checking swap space: must be greater than 150 MB. Actual 3122 MB Passed

Checking monitor: must be configured to display at least 256 colors. Actual 16777216 Passed

Preparing to launch Oracle Universal Installer from /tmp/OraInstall2016-06-26_09-56-43PM. Please wait ...

Once you execute the runInstaller executable above screen will be appeared. Check out "I wish to receive security updates via My Oracle Support"

Click on Next after checkout the security updates option.

Warning message window will be prompt. Click on Yes to continue.

Click on Skip software updates and Click on Next to continue.

Click on Create and configure a database option and Click on Next to continue.

Select Server Class if you have sufficient hardware resource as RAM, CPU and click on Next to continue.

Click on Single instance database installation and Click on Next to continue.

Click on Typical install and Click on Next to continue.

Select Oracle base, Software location, Storage Type (File System if you do not have ASM), Database Edition, Global database name and Administrative Password. Click on next to continue.