check="n"
echo -n "5. Oracle Install Configure  ? [y/n] Default [n] : "
read check
if [ $check = "y" ];then
groupadd -g 777 dba
useradd -u 777 -g 777 -d /orahome oracle
useradd -u 778 -g 777 -d /oragrid oragrid

echo oracle | passwd --stdin oracle
echo oragrid | passwd --stdin oragrid

        if [ -d /orahome ];then
                cp -afp /etc/skel/.bashrc /orahome
                cp -afp /etc/skel/.bash_profile /orahome
                chown oracle:dba /orahome -R
                chmod 755 /orahome -R
        fi
        if [ -d /oragrid ];then
                cp -afp /etc/skel/.bashrc /oragrid
                cp -afp /etc/skel/.bash_profile /oragrid
                chown oragrid:dba /oragrid -R
                chmod 755 /orahome -R
        fi

sed -i 's/kernel.shmmax/\#kernel.shmmax/g' /etc/sysctl.conf
sed -i 's/kernel.shmall/\#kernel.shmall/g' /etc/sysctl.conf

memory_kb=`cat /proc/meminfo | grep MemTotal | awk '{print $2}'`
memory_size=`echo "$memory_kb * 1024"| bc`
shmmax=`echo "$memory_size * 0.5"|bc |cut -d . -f 1`
shmall=`echo "$memory_size / 4"|bc|cut -d . -f 1`

cat << EOF >> /etc/sysctl.conf

kernel.shmmax = $shmmax
kernel.shmall = $shmall
fs.aio-max-nr = 4194304
fs.file-max = 6815744
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
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
EOF

cat << EOF >> /etc/security/limits.conf
oragrid         soft    nproc   2047
oragrid         hard    nproc   16384
oragrid         soft    nofile  1024
oragrid         hard    nofile  65536
oragrid         soft    stack   10240
oragrid         hard    stack   32768
oragrid         soft    memlock 262144000
oragrid         hard    memlock 262144000

oracle          soft    nproc   2047
oracle          hard    nproc   16384
oracle          soft    nofile  1024
oracle          hard    nofile  65536
oracle          soft    stack   10240
oracle          hard    stack   32768
oracle          soft    memlock 262144000
oracle          hard    memlock 262144000
EOF
rpm -ivh /tmp/oracle_rpm/kmod-oracleasm-2.0.6.rh1-3.el6_5.x86_64.rpm /tmp/oracle_rpm/oracleasmlib-2.0.4-1.el6.x86_64.rpm /tmp/oracle_rpm/oracleasm-support-2.1.8-1.el6.x86_64.rpm
mv /tmp/java/ /usr/local/java/
mv /usr/bin/java /usr/bin/java_bak
mv /usr/bin/javac /usr/bin/javac_bak

cat << EOF >> /etc/profile
export PATH=\$PATH:/usr/local/java/bin
export JAVA_HOME=/usr/local/java
EOF
source /etc/profile

fi