Oracle Database 11g R2 : Pre-Requirements2014/10/05

	Install Oracle Database 11g R2. Before Installing, Change some settings for requirements of installing Oracle database.
[1]	Install Desktop Environment, refer to here.
[2]	Install some packages first.

[root@db01 ~]#

yum -y install binutils compat-libstdc++-33 compat-libstdc++-33.i686 ksh elfutils-libelf elfutils-libelf-devel glibc glibc-common glibc-devel gcc gcc-c++ libaio libaio.i686 libaio-devel libaio-devel.i686 libgcc libstdc++ libstdc++.i686 libstdc++-devel libstdc++-devel.i686 make sysstat unixODBC unixODBC-devel

[3]	Edit Kernel parameters.

[root@db01 ~]#

vi /etc/sysctl.conf

# comment out

net.bridge.bridge-nf-call-ip6tables = 0

net.bridge.bridge-nf-call-iptables = 0

net.bridge.bridge-nf-call-arptables = 0

# add follows to the end

net.ipv4.ip_local_port_range = 9000 65500
fs.file-max = 6815744
kernel.shmall = 10523004
kernel.shmmax = 6465333657
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.core.rmem_default=262144
net.core.wmem_default=262144
net.core.rmem_max=4194304
net.core.wmem_max=1048576
fs.aio-max-nr = 1048576

[root@db01 ~]#

sysctl -p

net.ipv4.ip_forward = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
kernel.sysrq = 0
kernel.core_uses_pid = 1
net.ipv4.tcp_syncookies = 1
net.ipv4.ip_local_port_range = 9000 65500
fs.file-max = 65536
kernel.shmall = 10523004
kernel.shmmax = 6465333657
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.core.rmem_default = 262144
net.core.wmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_max = 1048576
fs.aio-max-nr = 1048576

[4]	Create user and groups for Oracle Database.

[root@db01 ~]#

groupadd -g 200 oinstall

[root@db01 ~]#

groupadd -g 201 dba

[root@db01 ~]#

useradd -u 440 -g oinstall -G dba -d /usr/oracle oracle

[root@db01 ~]#

passwd oracle

Changing password for user oracle.
New password:
Retype new password:
passwd: all authentication tokens updated successfully.

[root@db01 ~]#

vi /etc/pam.d/login

# near line 14: add

session    required     pam_selinux.so open
session    required     pam_namespace.so

session    required     pam_limits.so

session    optional     pam_keyinit.so force revoke
session    include      system-auth
-session   optional     pam_ck_connector.so

[root@db01 ~]#

vi /etc/security/limits.conf

# add follows to the end

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

[root@db01 ~]#

vi /etc/profile

# add follows to the end

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

[5]	Switch to a user "Oracle" and configure some settings.

db01 login:

oracle

Password:
[oracle@db01 ~]$

chmod 755 /usr/oracle

[oracle@db01 ~]$

mkdir /usr/oracle/app

[oracle@db01 ~]$

chmod 775 /usr/oracle/app

[oracle@db01 ~]$

mkdir /usr/oracle/oradata

[oracle@db01 ~]$

chmod 775 /usr/oracle/oradata

[oracle@db01 ~]$

vi ~/.bash_profile

# add follows to the end

umask 022
export ORACLE_BASE=/usr/oracle/app

# create a temporary directory for installation

[oracle@db01 ~]$

mkdir tmp

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