#!/bin/bash ############################################################# # Created on: 2/17/09 # Last Updated: 07/09/09 # Version 2.1.6 ############################################################# #clear the screen clear #check for root user (this script must be run as root) if [[ $EUID -ne 0 ]]; then echo “This script must be run as root” 1>&2 exit 1 fi # Confirm Start of Installation echo -n “Are you sure that you want to continue? [y/n] “ read resp if [ $resp != "Y" ] || [ $resp != "y" ] then echo “Exiting Installation” exit fi # Create the Oracle User echo “Creating ‘oracle’ user and groups” echo “check if group oinstall exist:” egrep “oinstall” /etc/group >/dev/null if [ $? -eq 0 ]; then echo “group: oinstall already exists” else groupadd oinstall echo “group: oinstall added.” fi echo “check if dba group exists:” egrep “dba” /etc/group >/dev/null if [ $? -eq 0 ]; then echo “group: dba already exists” else groupadd dba echo “group: dba added.” fi echo “check to see if ‘oracle’ exists” egrep “oracle” /etc/passwd >/dev/null if [ $? -eq 0 ]; then echo “oracle already exists.” else useradd -g oinstall -G dba -d /home/oracle -m -s /bin/bash oracle echo “user: oracle added.n” passwd oracle fi # Creating Oracle Base Directory echo “Create Oracle_Base directory”echo “Create Oracle_Base directory” echo -e “Please enter the full of the Oracle Home” read oh mkdir -p $oh chown -R oracle:oinstall $oh # Kernel Parameter Modifications. echo “Making kernel changes permanant by modifying /etc/sysctl.conf” echo “# Kernel parameters required by Oracle” >> /etc/sysctl.conf echo “kernel.msgmni = 2878″ >> /etc/sysctl.conf echo “kernel.msgmax = 8192″ >> /etc/sysctl.conf echo “kernel.msgmnb = 65535″ >> /etc/sysctl.conf echo “kernel.sem = 256 32000 100 142″ >> /etc/sysctl.conf echo “kernel.shmall = 2097152″ >> /etc/sysctl.conf echo “kernel.shmmax = 4294967295″ >> /etc/sysctl.conf echo “kernel.shmmni = 4096″ >> /etc/sysctl.conf echo “fs.file-max = 131072″ >> /etc/sysctl.conf echo “net.ipv4.ip_local_port_range = 20000 65000″ >> /etc/sysctl.conf echo “Finished modifying /etc/sysctl.conf” # Flush the sysctl.conf file after making the above changes. /sbin/sysctl -p # change to the oracle home directory cd /home/oracle echo “Create Environment source file:” touch /home/oracle/infra.env echo “ORACLE_BASE=/opt/oracle; export ORACLE_BASE” >> /home/oracle/infra.env echo “ORACLE_HOME=$ORACLE_BASE/ias1; export ORACLE_HOME” >> /home/oracle/infra.env echo “LD_LIBRARY_PATH=$ORACLE_HOME/lib:$ORACLE_HOME/lib32:/lib:/user/local/bin; export LD_LIBRARY_PATH” >> /home/oracle/infra.env echo “ORACLE_SID=orcl; export ORACLE_SID” >> /home/oracle/infra.env echo “PATH=/usr/bin:$ORACLE_HOME/bin:$ORACLE_HOME/opmn/bin:$PATH; export PATH” >> /home/oracle/infra.env # Change ownership of infra.env to oracle:oinstall chown oracle:oinstall /home/oracle/infra.env clear echo -e “Oracle Environment Setup is Complete.” exit 1