1. Create oracle User Account
Login as root and create te user oracle which belongs to dba group.
su -
# groupadd dba
# useradd -g dba oracle
2. Setting System parameters
Edit the /etc/sysctl.conf and add following lines:
kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 6553600
net.ipv4.ip_local_port_range = 1024 65000
net.core.rmem_default = 4194304
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 262144
Note: You need reboot system or execute "sysctl -p" command to apply above settings.
For RedHat (OEL, Centos, WBL) 4 version: Edit the /etc/pam.d/login file and add following line:
session required /lib/security/pam_limits.so
For RedHat (OEL, Centos) 5 version: Edit the /etc/pam.d/login file and add following line:
session required pam_limits.so
Edit the /etc/security/limits.conf file and add following lines:
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
3. Creating oracle directories
# mkdir /opt/oracle
# mkdir /opt/oracle/111
# chown -R oracle:dba /opt/oracle
4. Setting Oracle Enviroment
Edit the /home/oracle/.bash_profile file and add following lines:
ORACLE_BASE=/opt/oracle
ORACLE_HOME=$ORACLE_BASE/111
ORACLE_SID=ORCL
LD_LIBRARY_PATH=$ORACLE_HOME/lib
PATH=$PATH:$ORACLE_HOME/bin
export ORACLE_BASE ORACLE_HOME ORACLE_SID LD_LIBRARY_PATH PATH
Save the .bash_profile and execute following commands for load new enviroment:
cd /home/oracle
. .bash_profile
5. Download & Install
1. Download and install required .rpm packages
Some additional packages are required for succesful instalation of Oracle software. To check wheter required packages are installed on your operating system use following command:
rpm -q binutils elfutils elfutils-libelf gcc gcc-c++ glibc glibc-common glibc-devel compat-libstdc++-33 cpp make compat-db sysstat libaio libaio-devel unixODBC unixODBC-devel|sort
If some package is not installed then install it from installation media or download it from following locations:
RedHat Enterprise Linux 4 - source packages only
RedHat Enterprise Linux 5 - source packages only
Centos Linux 4
Centos Linux 5
This is example how to build RPM package from source package (libaio-0.3.105-2.src.rpm). Note gcc, make and rpm-build (and dependent) packages must be already installed on your system.
# rpm -ivh libaio-0.3.105-2.src.rpm
# cd /usr/src/redhat/SPECS/
# rpmbuild --target i386 libaio.spec
# cd ../RPMS/i386/
# rpm -ivh libaio-0.3.105-2.i386.rpm libaio-devel-0.3.105-2.i386.rpm
Install the required packages using the rpm command:
rpm -ivh <package_name>.rpm
2. Download the Oracle 11g release 1 (11.1.0.6.0) software from Oracle website.
Extract the files using following command:
unzip linux_11gR1_database.zip
3. Start the Oracle software installation process.
Now the system is prepared for Oracle software installation. To start the installation process execute the following commands:
cd database
./runInstaller
Note:If it don't open X-window,there may be something wrong on the xauth setting. list the root xauth setting and add the xauth setting to the oracle user.
[root@localhost oracle]# xauth
Using authority file /root/.Xauthority
xauth> list
localhost.localdomain/unix:12 MIT-MAGIC-COOKIE-1 159b05bdace313ae273355f2d3e336aa
localhost.localdomain/unix:10 MIT-MAGIC-COOKIE-1 6f089e2055aefa800dbcdbacd0821d65
localhost.localdomain/unix:11 MIT-MAGIC-COOKIE-1 e453959bfabbeff89eacfed6553b4042
add to oracle
[oracle@localhost ~]$ xauth
Using authority file /home/oracle/.Xauthority
xauth> add localhost.localdomain/unix:12 MIT-MAGIC-COOKIE-1 159b05bdace313ae273355f2d3e336aa
4. after intallation the database created,we will use sqlplus to access to the oracle.
It may trigger an problem like 'cannot restore segment prot after reloc'
we can use the cmd to resolve the issue. chcon -t texrel_shlib_t /usr/local/rsi/idl_6.1/bin/bin.linux.x86/*.so
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