Installing DB 11g on Virtual Box part 2

9.-  Add the following groups

sudo groupadd -g 501 oinstall
sudo groupadd -g 502 dba
sudo groupadd -g 503 oper
sudo groupadd -g 504 asmadmin
sudo groupadd -g 506 asmdba
sudo groupadd -g 505 asmoper

10.- If you don't have the user created yet:

sudo useradd -u 502 -g oinstall -G dba,asmdba,oper oracle

if the user already exists:

sudo usermod -g oinstall -G dba,asmdba,oper oracle

if you want to change the user password:

passwd oracle

11.- For the 11GR2 version add the following line to this file "/etc/security/limits.d/90-nproc.conf"

# Change this

*          soft    nproc    1024

#to this:

* - nproc 16384

12.- Add the following property to the file "/etc/selinux/config"

SELINUX=permissive

13.- Restart OS.

14.- Disable firewall

15.- Create directories
sudo mkdir -p /u01/app/oracle/product/11gr2/db_1

16.- Change Group
sudo chown -R oracle:oinstall /u01

17.- If your installation is remote, set the display for launching windows
xhost +alexdb.oracle.com

alexdb.oracle.com being added to access control list

18.- Add the following lines to your db owner user

# Oracle Settings
TMP=/tmp; export TMP
TMPDIR=$TMP; export TMPDIR

ORACLE_HOSTNAME=yourhost; export ORACLE_HOSTNAME
ORACLE_UNQNAME=yoursid; export ORACLE_UNQNAME
ORACLE_BASE=/u01/app/oracle; export ORACLE_BASE
ORACLE_HOME=$ORACLE_BASE/product/11gr2/db_1; export ORACLE_HOME
ORACLE_SID=yoursid; export ORACLE_SID

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/jlib:$ORACLE_HOME/rdbms/jlib; export CLASSPATH

19.- Run the installer
./runInstaller

If you have missing libraries, install them with yum

Example:

sudo yum install compat-libstdc++-33
yum install libaio.i686 libaio-devel.i686 compat-libstdc++-33.i686 libstdc++.i686
yum install libaio libaio-devel compat-libstdc++-33 libstdc++
yum install unixODBC
yum install unixODBC-devel
yum install elfutils-libelf-devel
yum install pdksh

Finish your installation, executing the following sentences:

sh /u01/app/oraInventory/orainstRoot.sh
sh /u01/app/oracle/product/11gr2/db_1/root.sh 

if you want your db starting every time your machine restart, add this line to /etc/oratab

your_sid:/u01/app/oracle/product/11gr2/db_1:y

Enterprise Manager Database Control URL - (yoursid) :
https://localhost:1158/em