#!/bin/bash###############################################功能：Preparation for Oracle Installation###參數：SID BASE###其中，sid指的是ORACLE_SID###BASE指的是ORACLE_BASE的一級目錄，如ORACLE_BASE=/u01/app/oracle,則BASE為/u01#############################################檢查參數個數是否正確if [ $# -ne 2 ];then  echo "$0 SID BASE"  exitfiSID="$1"BASE="$2"#主機名綁定IP=`ifconfig |awk -F'[: ]+' 'NR==2{print $4'}`HOST=`hostname`sed -i '$a'$IP' '$HOST'' /etc/hosts#Checking the Package Requirements#將需要安裝的表的列表貼在Package_list文件中awk -F'-[0-9]' '{print $1}' Package_list |awk '{print $1}' |uniq |xargs yum install -y > output.log 2>&1#Creating Required Operating System Groups and Usersgroupadd -g 800 oinstallgroupadd -g 801 dbagroupadd -g 802 operuseradd -g oinstall -G dba,oper oracleecho oracle | passwd --stdin oracle >> output.log 2>&1#Configure Kernal Parameterssed -i '$a/fs.aio-max-nr = 1048576' /etc/sysctl.confsed -i '$a/fs.file-max = 6815744' /etc/sysctl.confsed -i '$a/kernel.shmall = 2097152' /etc/sysctl.confsed -i '$a/kernel.shmmax = 536870912' /etc/sysctl.confsed -i '$a/kernel.shmmni = 4096' /etc/sysctl.confsed -i '$a/kernel.sem = 250 32000 100 128' /etc/sysctl.confsed -i '$a/net.ipv4.ip_local_port_range = 9000 65500' /etc/sysctl.confsed -i '$a/net.core.rmem_default = 262144' /etc/sysctl.confsed -i '$a/net.core.rmem_max = 4194304' /etc/sysctl.confsed -i '$a/net.core.wmem_default = 262144' /etc/sysctl.confsed -i '$a/net.core.wmem_max = 1048586' /etc/sysctl.confsysctl -p >> output.log 2>&1#Configure Resource Limitssed -i '$a/oracle      soft  nproc  2047' /etc/security/limits.confsed -i '$a/oracle      hard  nproc  16384' /etc/security/limits.confsed -i '$a/oracle      soft  nofile 1024' /etc/security/limits.confsed -i '$a/oracle      hard  nofile 65536' /etc/security/limits.conf#Add the following line to the /etc/pam.d/login file, if it does not already exist:sed -i '$a/session  required   pam_limits.so' /etc/pam.d/login#Add the following line to the /etc/profilesed -i '$a/if [[ $USER = "oracle" ]]; then' /etc/profilesed -i '$a/   if [[ $SHELL = "/bin/ksh" ]]; then' /etc/profilesed -i '$a/       ulimit -p 16384' /etc/profilesed -i '$a/       ulimit -n 65536' /etc/profilesed -i '$a/   else' /etc/profilesed -i '$a/       ulimit -u 16384 -n 65536' /etc/profilesed -i '$a/   fi' /etc/profilesed -i '$a/fi' /etc/profilesource /etc/profile#Configuring the oracle User's Environmentsed -i '$a/export ORACLE_SID='$SID'' /home/oracle/.bash_profilesed -i '$a/export ORACLE_BASE='$BASE'/app/oracle' /home/oracle/.bash_profilesed -i '$a/export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1' /home/oracle/.bash_profilesed -i '$a/export PATH=$ORACLE_HOME/bin:$PATH' /home/oracle/.bash_profilesource /home/oracle/.bash_profile#Creating Required Directoriesmkdir -p $ORACLE_HOMEchown -R oracle.oinstall $BASE/appchmod -R 775 $BASE/appecho "Preparation For Oracle Installation Is Over!"