#!/bin/bash ###the script to install oracle10g on rhel5!! ##show notes! echo -ne The script is writed by xtao@sinoinfo!\n SPATH=/public/sourcecode ORACLE_BASE=/u01/app/oracle ORACLE_SID=orcl ##edit the /etc/sysctl.conf ! echo -e '\n' echo

#!/bin/bash
###the script to install oracle10g on rhel5!!
##show notes!
echo -ne "The script is writed by xtao@sinoinfo!\n"

SPATH=/public/sourcecode
ORACLE_BASE=/u01/app/oracle
ORACLE_SID=orcl

##edit the /etc/sysctl.conf !
echo -e '\n'
echo -en '\e[31m Modify the /etc/sysctl.conf ! \e[0m \n'
cp /etc/sysctl.conf /etc/sugon.bak.sysctl.conf
if [ $? != 0 ];then
echo "backup sysctl.conf failed"
exit -1
fi
cat << EOF >> /etc/sysctl.conf
kernel.shmall = 4194304
kernel.shmmax = 17179869184
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 65536
net.ipv4.ip_local_port_range = 1024 65000
net.core.rmem_default = 1048576
net.core.rmem_max = 1048576
net.core.wmem_default = 1048576
net.core.wmem_max = 1048576
EOF

if [ $? != 0 ];then
echo "modify sysctl.conf failed"
exit -1
fi

##Login as root and issue the following command:
echo -e '\n'
echo -en '\e[31m Add the xhost ! \e[0m \n'
xhost +$HOSTNAME

##Edit the /etc/redhat-release file replacing the current release information (Red Hat Enterprise Linux Server release 5 (Tikanga)) with the following:
echo -e '\n'
echo -en '\e[31m Change the releas to rhel4 ! \e[0m \n'
cp /etc/redhat-release /etc/sugon.bak.redhat-release
echo -n "redhat-4" > /etc/redhat-release
##Run the following command to change the current kernel parameters:
echo -e '\n'
echo -en '\e[31m Display the sysctl information ! \e[0m \n'
/sbin/sysctl -p
if [ $? != 0 ];then
echo "update sysctl failed"
exit -1
fi
##Add the following lines to the /etc/security/limits.conf file:
echo -e '\n'
echo -en '\e[31m Modify the /etc/security/limits.conf ! \e[0m \n'
cp /etc/security/limits.conf /etc/security/sugon.bak.limits.conf
if [ $? != 0 ];then
echo "backup limits.conf failed"
exit -1
fi
cat << EOF >> /etc/security/limits.conf
* soft nproc 2047
* hard nproc 16384
* soft nofile 1024
* hard nofile 65536
EOF

if [ $? != 0 ];then
echo "modify limits.conf failed"
exit -1
fi

##Add the following line to the /etc/pam.d/login file, if it does not already exist:
echo -e '\n'
echo -en '\e[31m Modify the /etc/pam.d/login ! \e[0m \n'
cp /etc/pam.d/login /etc/pam.d/sugon.bak.login &&
if [ $? != 0 ];then
echo "backup pam.d-login failed"
exit -1
fi
echo -n "session required pam_limits.so" >> /etc/pam.d/login &&
if [ $? != 0 ];then
echo "modify pam.d-login failed"
exit -1
fi

##Disable secure linux by editing the /etc/selinux/config file, making sure the SELINUX flag is set as follows:
echo -e '\n'
echo -en '\e[31m Disable the SELINUX ! \e[0m \n'
cp /etc/selinux/config /etc/selinux/sugon.bak.config &&
if [ $? != 0 ];then
echo "backup selinux.config failed"
exit -1
fi
echo -n "SELINUX=disabled" > /etc/selinux/config &&
if [ $? != 0 ];then
echo "modify selinux failed"
exit -1
fi

##Create the new groups and users:
echo -e '\n'
echo -en '\e[31m Create the user and group for install ! \e[0m \n'
groupadd oinstall &&
groupadd dba &&
groupadd oper &&
useradd -g oinstall -G dba oracle &&
echo 11111 | passwd oracle --stdin

##Create the directories in which the Oracle software will be installed:
echo -e '\n'
echo -en '\e[31m Create the DIR for ORACLE_BASE and chown the privilege! \e[0m \n'
mkdir -p $ORACLE_BASE/product/10.2.0/db_1 &&
chown -R oracle.oinstall /u01 &&

##Login as the oracle user and add the following lines at the end of the .bash_profile file:
echo -e '\n'
echo -en '\e[31m Modify the bash_profile of oracle ! \e[0m \n'
cat << EOF >> /home/oracle/.bash_profile
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/10.2.0/db_1
export ORA_CRS_HOME=/u01/crs/oracle/10gr2/crs
export ORACLE_SID=orcl
export TNS_ADMIN=$ORACLE_HOME/network/admin
export PATH=$ORACLE_HOME/bin:$HOME/bin:$ORA_CRS_HOME/bin:/sbin:$ORA_ASM_HOME:$PATH
EOF