Oracle Database 11g Release 2 (11.2) Installation On RedhatLinux 6

Oracle Database 11g Release 2 (11.2) Installation On RedhatLinux 6

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While Installation RHEL6 make sure Swap memory will be 4GB minimum, along with /u01 partition 15GB minimum space.

Unzip the files.

    # 11.2.0.1
    unzip linux.x64_11gR2_database_1of2.zip
    unzip linux.x64_11gR2_database_2of2.zip

 You should now have a single directory called "database" containing installation files.

Hosts File

The "/etc/hosts" file must contain a fully qualified name for the server.

    <IP-address>  <fully-qualified-machine-name>  <machine-name>

For example.

    127.0.0.1       localhost.localdomain  localhost
    192.168.0.181   desktop2.example.com   desktop2

Add or amend the following lines in the "/etc/sysctl.conf" file.

    fs.suid_dumpable = 1
    fs.aio-max-nr = 1048576
    fs.file-max = 6815744
    kernel.shmall = 2097152
    kernel.shmmax = 536870912
    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=4194304
    net.core.rmem_max=4194304
    net.core.wmem_default=262144
    net.core.wmem_max=1048586

Run the following command to change the current kernel parameters.

    /sbin/sysctl -p


Configure your /etc/yum.repos.d/rhel.repo
    [redhat]
    name=rhel6.5
    baseurl=http://192.168.0.254/rhel-6-64
    enabled=1
    gpgcheck=0

Save the file.

#  yum clean all
#  yum list all 
Install these Packages:

# yum install binutils* compat-libcap* compat-libstdc++-33* compat-libstdc++-33* gcc* gcc-c++* glibc* glibc* glibc-devel* libaio* libaio-devel* libgcc* libstdc++* libstdc++-devel* libXext* libXtst* openmotif* openmotif22* sysstat* ksh* java* numactl-devel-2*x86_64* make-3.81*x86_64* elfutils-libelf-0*x86_64* elfutils-libelf-devel-0*x86_64* -y


Add the following lines to the "/etc/security/limits.conf" file.

    oracle              soft    nproc   2047
    oracle              hard    nproc   16384
    oracle              soft    nofile  4096
    oracle              hard    nofile  65536
    oracle              soft    stack   10240

Add the following line to the "/etc/pam.d/login" file, if it does not already exist.

    session    required     pam_limits.so


Amend the "/etc/security/limits.d/90-nproc.conf" file as described below.

    # Change this
    *          soft    nproc    1024

    # To this
    * - nproc 16384

Set secure Linux to permissive by editing the "/etc/selinux/config" file, making sure the SELINUX flag is set as follows.

    SELINUX=permissive

Once the change is complete, restart the system.

Create the new 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 the directories in which the Oracle software will be installed.

    mkdir -p /u01/app/oracle/product/11.2.0/db_1
    chown -R oracle:oinstall /u01
    chmod -R 775 /u01

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

-- Let's see which shell is being used by the user Oracle.
$ echo $SHELL
/bin/bash

Add the following lines at the end of the ".bash_profile" file.
# vim ~/.bash_profile
   
#ORACLE SETTING
TMP=/tmp; export TMP
TMPDIR=$TMP; export TMPDIR

ORACLE_HOSTNAME=desktop2.example.com; export ORACLE_HOSTNAME
ORACLE_UNQNAME=orcl; export ORACLE_UNQNAME 
ORACLE_BASE=/u01/app/oracle; export ORACLE_BASE
ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1; export ORACLE_HOME
ORACLE_SID=orcl; export ORACLE_SID
ORACLE_TERM=xterm; export ORACLE_TERM
LD_LIBRARY_PATH=$ORACLE_HOME/jdk/jre/i386:$ORACLE_HOME/jdk/jre/lib/i386/server:$ORACLE_HOME/rdbms/lib:$ORACLE_HOME/lib:$LD_LIBRARY_PATH;
export LD_LIBRARY_PATH
PATH=$PATH:$HOME/bin; export PATH
PATH=$ORACLE_HOME/bin:$PATH; export PATH
export username

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

umask 022


Save the file.
Now run the following command to make these changes effective in the current session of user oracle.

-- for bash shell
$ source ~/.bash_profile

Login as root and issue the following command.

  #  xhost +<machine-name>

Flush the Iptables

#   iptables -F

Start the Oracle Universal Installer (OUI) by issuing the following command in the database directory.

  $ cd Desktop/database/
  $ ./runInstaller