Oracle 11g 安装环境配置脚本

#!/bin/bash

#Test in RHEL 5.5 for 11g

c=`cat /etc/shadow | grep oracle | wc -l`
if [ $c != 0 ]
then
  w=0
  while [ $w -eq 0 ]
  do
    echo "--Find user oracle has been existed!--"
    echo "--Do you want to delete user oracle?[yes/no]:"
    read yn
      case $yn in
        "yes")
         gpasswd -d oracle dba
         userdel -r oracle
         rm -fr /home/oracle
         echo "--User oracle has been deleted.--"
         /usr/sbin/groupadd oinstall
         /usr/sbin/groupadd dba
         /usr/sbin/useradd -g oinstall -G dba  oracle
         echo "--Please set user oracle's password--"
         passwd oracle
         echo "--password is ok!--"
         w=1
         ;;
        "no")
         echo "--I will not delete user oracle!--"
         w=1
         ;;
        *)
         echo "--Please input yes or no!--"
         w=0
        ;;
      esac
  done
else
  /usr/sbin/groupadd oinstall
  /usr/sbin/groupadd dba
  /usr/sbin/useradd -g oinstall -G dba  oracle
  echo "--Please set user oracle's password."
  passwd oracle
  echo "--password is ok!--"
fi

mkdir -p /u01/app/oracle
chown -R oracle:oinstall /u01
chmod -R 775 /u01

sed -i '/kernel.shmmax/d' /etc/sysctl.conf
sed -i '/kernel.shmall/d' /etc/sysctl.conf
sed -i '/kernel.shmmni/d' /etc/sysctl.conf
sed -i '/kernel.sem/d' /etc/sysctl.conf
sed -i '/fs.file-max/d' /etc/sysctl.conf
sed -i '/net.ipv4.ip_local_port_range/d' /etc/sysctl.conf
sed -i '/net.core.rmem_default/d' /etc/sysctl.conf
sed -i '/net.core.rmem_max/d' /etc/sysctl.conf
sed -i '/net.core.wmem_default/d' /etc/sysctl.conf
sed -i '/net.core.wmem_max/d' /etc/sysctl.conf

sed -i "/#fordelbegin/,/#fordelend/d" /etc/sysctl.conf
cat >> /etc/sysctl.conf << "EOF"
#fordelbegin#################################
#use for oracle
fs.file-max = 6815744
fs.aio-max-nr = 1048576
kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default = 4194304
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576
#fordelend
EOF

/sbin/sysctl -p
echo "--/ect/sysctl.conf is ok!--"

sed -i "/#fordelbegin/,/#fordelend/d" /etc/security/limits.conf
cat >> /etc/security/limits.conf << "EOF"
#fordelbegin#################################
#use for oracle
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
#fordelend
EOF
echo "--/etc/security/limits.conf is ok!--"

sed -i "/#fordelbegin/,/#fordelend/d" /etc/pam.d/login
cat >> /etc/pam.d/login << "EOF"
#fordelbegin#################################
#use for oracle
#session required /lib64/security/pam_limits.so  #for 64
session required /lib/security/pam_limits.so     #for 32
session required pam_limits.so
#fordelend
EOF
echo "--/etc/pam.d/login is ok!--"

sed -i "/#fordelbegin/,/#fordelend/d" /etc/profile
cat >> /etc/profile << "EOF"
#fordelbegin#################################
#use for oracle
if [ $USER = "oracle" ]; then         
    if [ $SHELL = "/bin/ksh" ]; then              
      ulimit -p 16384              
      ulimit -n 65536          
    else              
      ulimit -u 16384 -n 65536             
    fi
fi
#fordelend
EOF
echo "--/etc/profile is ok!--"

sed -i "/#fordelbegin/,/#fordelend/d" /home/oracle/.bash_profile
cat >> /home/oracle/.bash_profile << "EOF"
#fordelbegin#################################
#use for oracle
umask 022
ORACLE_BASE=/u01/app/oracle
ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1
ORACLE_SID=db01
PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin
LD_LIBRARY_PATH=$ORACLE_HOME/lib:/usr/lib:/usr/lib/qt-3.3/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/root/bin
NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
export ORACLE_BASE ORACLE_HOME ORACLE_SID PATH LD_LIBRARY_PATH NLS_LANG
#fordelend
EOF

echo "--Please set you oracle_sid:"
read orasid
sed -i "s/db01/$orasid/g" /home/oracle/.bash_profile

source /home/oracle/.bash_profile
echo "--/home/oracle/.bash_profile is ok!--"

echo "--Config is OK!--"
echo "--Dont forget to vi your /etc/hosts.--"