CentOS 6
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Oracle Database 12c : Pre-Requirements
2014/10/08
 
Install Oracle Database 12c.
Before Installing, Change some settings for requirements of installing Oracle database.
[1]
Install Desktop Environment, refer to here.
[2] Install some packages first.
[root@dlp ~]#
yum -y install binutils compat-libcap1 compat-libstdc++-33 compat-libstdc++-33.i686 gcc gcc-c++ glibc glibc.i686 glibc-devel glibc-devel.i686 ksh libgcc libgcc.i686 libstdc++ libstdc++.i686 libstdc++-devel libstdc++-devel.i686 libaio libaio.i686 libaio-devel libaio-devel.i686 ibXext ibXext.i686 libX11 libX11.i686 libxcb libxcb.i686 libXi libXi.i686 make sysstat

[3] Edit Kernel parameters.
[root@dlp ~]#
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

kernel.shmmni=4096
kernel.sem=250 32000 100 128
fs.file-max=6815744
fs.aio-max-nr=1048576
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=1048576
[root@dlp ~]#
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
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = 68719476736
kernel.shmall = 4294967296
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 6815744
fs.aio-max-nr = 1048576
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 = 1048576
[4] Create user and groups for Oracle Database.
[root@dlp ~]#
i=54321; for group in oinstall dba backupdba oper dgdba kmdba; do
groupadd -g $i $group; i=`expr $i + 1`
done
[root@dlp ~]#
useradd -u 1200 -g oinstall -G dba,oper,backupdba,dgdba,kmdba -d /home/oracle oracle

[root@dlp ~]#
passwd oracle

Changing password for user oracle.
New password:
Retype new password:
passwd: all authentication tokens updated successfully.
[root@dlp ~]#
mkdir -p /u01/app/oracle

[root@dlp ~]#
chown -R oracle:oinstall /u01/app

[root@dlp ~]#
chmod -R 775 /u01

[root@dlp ~]#
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@dlp ~]#
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
oracle  soft  stack   10240
oracle  hard  stack   32768
[5] Switch to a user "Oracle" and configure some settings.
dlp login:
oracle
Password:
[oracle@dlp ~]$
vi ~/.bash_profile
# add follows to the end

umask 022
export ORACLE_BASE=/u01/app/oracle
# create a temporary directory for installation

[oracle@dlp ~]$
mkdir tmp
 
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