Oracle 11g R2 Installation in CentOS 7 | Oracle Database Installation in Linux || Nehra Classes
Oracle 11g R2 Installation in CentOS 7 | Oracle Database Installation in Linux || Nehra Classes
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1. SETTING HOSTNAME
HOSTNAME=server.example.com
[root@server]# hostname server.example.com
[root@server]# vi /etc/hosts
192.168.1.110 server.example.com
[root@server ~]# ping -c 3 server.example.com
Create a new user say “oracle” using useradd oracle command and set the password as “oracle”.
[root@server ~]# useradd oracle
[root@server]# passwd oracle
mkdir /oracle/app/product/11.2.0/db_1
chmod -R 775 /oracle
chown -R oracle:oracle /oracle
[root@server ~]# vi /etc/sysctl.conf
kernel.shmmni = 4096 kernel.shmmax = 4398046511104 kernel.shmall = 1073741824 kernel.sem = 250 32000 100 128 fs.aio-max-nr = 1048576 fs.file-max = 6815744 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
Apply kernel parameters
[root@server ~]# /sbin/sysctl -p
[root@server ~]# vi /etc/security/limits.conf
oracle soft nproc 2047 oracle hard nproc 16384 oracle soft nofile 4096 oracle hard nofile 65536 oracle soft stack 10240 oracle soft core unlimited oracle hard core unlimited oracle soft memlock 50000000 oracle hard memlock 50000000
[root@server ~]# vi /etc/selinux/config
SELINUX=permissive
[root@server ~]# systemctl stop firewalld
[root@server ~]# systemctl disable firewalld
4. EDIT THE bash_profile
To ensure that the environment is setup correctly for the oracle user account, use the following in .bash_profile.
[oracle@server ~]# vi .bash_profile
# Oracle Settings
TMP=/tmp; export TMP
TMPDIR=$TMP; export TMPDIR
ORACLE_HOSTNAME=server.example.com; export ORACLE_HOSTNAME
ORACLE_UNQNAME=server; export ORACLE_UNQNAME
ORACLE_BASE=/oracle; export ORACLE_BASE
ORACLE_HOME=$ORACLE_BASE/app/product/11.2.0/db_1; export ORACLE_HOME
ORACLE_SID=server; 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
[oracle@server ~]# source .bash_profile
5. INSTALL DEPENDENCIES
yum install binutils -y
yum install compat-libstdc++-33 -y
yum install compat-libstdc++-33.i686 -y
yum install gcc -y
yum install gcc-c++ -y
yum install glibc -y
yum install glibc.i686 -y
yum install glibc-devel -y
yum install glibc-devel.i686 -y
yum install ksh -y
yum install libgcc -y
yum install libgcc.i686 -y
yum install libstdc++ -y
yum install libstdc++.i686 -y
yum install libstdc++-devel -y
yum install libstdc++-devel.i686 -y
yum install libaio -y
yum install libaio.i686 -y
yum install libaio-devel -y
yum install libaio-devel.i686 -y
yum install libXext -y
yum install libXext.i686 -y
yum install libXtst -y
yum install libXtst.i686 -y
yum install libX11 -y
yum install libX11.i686 -y
yum install libXau -y
yum install libXau.i686 -y
yum install libxcb -y
yum install libxcb.i686 -y
yum install libXi -y
yum install libXi.i686 -y
yum install make -y
yum install sysstat -y
yum install unixODBC -y
yum install unixODBC-devel -y
yum install zlib-devel -y
yum install elfutils-libelf-devel -y
6. DOWNLOAD AND INSTALL ORACLE
Switch to user oracle and download Oracle. You can download Oracle from http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html
Unzip the two files using the following commands:
[oracle@server ~]# unzip linux.x64_11gR2_database_1of2.zip
[oracle@server ~]# unzip linux.x64_11gR2_database_2of2.zip
[oracle@server ~]# ls
linux.x64_11gR2_database_1of2.zip
database linux.x64_11gR2_database_2of2.zip
The extracted files are in the directory database. So open that and run the installer.
[oracle@server ~]# cd /database
[oracle@server database]# ./runInstall
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