How to install Oracle 10g R2 on RHEL 5

Oracle Database 10g Release 2 Installation On Red Hat Enterprise Linux 5

# vi /etc/hosts

127.0.0.1               localhost.localdomain  localhost
192.168.1.2           squid.doyen.com         squid

Add the following lines in sysctl.conf

#vi /etc/sysctl.conf

#kernel.shmall = 2097152
#kernel.shmmax = 2147483648
kernel.shmmni = 4096
# semaphores: semmsl, semmns, semopm, semmni
kernel.sem = 250 32000 100 128
#fs.file-max = 65536
net.ipv4.ip_local_port_range = 1024 65000
net.core.rmem_default=262144
net.core.rmem_max=262144
net.core.wmem_default=262144
net.core.wmem_max=262144

# /sbin/sysctl -p

Add the following lines  in limits.conf
# /etc/security/limits.conf

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

Add the following lines in login
# vi /etc/pam.d/login


Disable the SELinux in security
# vi /etc/selinux/config

SELINUX=disabled

Add the following groups and user by issue the following commands

groupadd oinstall
groupadd dba
groupadd oper

useradd -g oinstall -G dba oracle
passwd oracle

Create Oracle Home Directory and Change the owner Permission for it

mkdir -p /u01/app/oracle/product/10.2.0/db_1
chown -R oracle.oinstall /u01

Copy the Software into "/home/oracle" then unzip the package

$ unzip 10201_database_linux32.zip

Login as root and issue the following command
# xhost +

Edit the "/etc/redhat-release" file replacing the current release information (Red Hat Enterprise Linux Server release 5 (Tikanga)) with the following

redhat-4

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

$ vi .bash_profile

# Oracle Settings
TMP=/tmp; export TMP
TMPDIR=$TMP; export TMPDIR

ORACLE_BASE=/u01/app/oracle; export ORACLE_BASE
ORACLE_HOME=$ORACLE_BASE/product/10.2.0/db_1; export ORACLE_HOME
ORACLE_SID=TSH1; export ORACLE_SID
ORACLE_TERM=xterm; export ORACLE_TERM
PATH=/usr/sbin:$PATH; export PATH
PATH=$ORACLE_HOME/bin:$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

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

Then start the Installation

$ cd database

$  ./runInstaller