#!/bin/bash
#Usage:Log on as the superuser(‘root‘),and then execute the command:#./1preusers.sh

groupadd -g 1000 oinstall                                 --grid  oracle
groupadd -g 1200 asmadmin                                 --grid
groupadd -g 1201 asmdba                                   --grid  oracle
groupadd -g 1202 asmoper                                  --grid（可选）
groupadd -g 1300 dba                                      --oracle
groupadd -g 1301 oper                                     --oracle（可选）

useradd -u 1100 -g oinstall -G asmadmin,asmdba,asmoper -d /home/grid -s /bin/bash -c "grid Infrastructure Owner" grid
echo "grid" | passwd --stdin grid

echo "export TMP=/tmp">> /home/grid/.bash_profile 
echo ‘export TMPDIR=$TMP‘>>/home/grid/.bash_profile
echo "export ORACLE_SID=+ASM1">> /home/grid/.bash_profile
echo "export ORACLE_BASE=/u01/app/grid">> /home/grid/.bash_profile
echo "export ORACLE_HOME=/u01/app/11.2.0/grid">> /home/grid/.bash_profile
echo "export ORACLE_TERM=xterm">> /home/grid/.bash_profile
echo "export NLS_DATE_FORMAT=‘yyyy/mm/dd hh24:mi:ss‘">> /home/grid/.bash_profile
echo ‘export TNS_ADMIN=$ORACLE_HOME/network/admin‘  >> /home/grid/.bash_profile
echo ‘export PATH=/usr/sbin:$PATH‘>> /home/grid/.bash_profile
echo ‘export PATH=$ORACLE_HOME/bin:$PATH‘>> /home/grid/.bash_profile
echo ‘export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib‘>> /home/grid/.bash_profile
echo ‘export CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib‘>> /home/grid/.bash_profile
echo "export LANG=en_US">> /home/grid/.bash_profile
echo "export NLS_LANG=american_america.AL32UTF8">> /home/grid/.bash_profile

useradd -u 1101 -g oinstall -G dba,oper,asmdba -d /home/oracle -s /bin/bash -c "Oracle Software Owner" oracle
echo "oracle" | passwd --stdin oracle

echo "export TMP=/tmp">> /home/oracle/.bash_profile 
echo ‘export TMPDIR=$TMP‘>>/home/oracle/.bash_profile
echo "export ORACLE_HOSTNAME=node1">> /home/oracle/.bash_profile
echo "export ORACLE_SID=dbking1">> /home/oracle/.bash_profile
echo "export ORACLE_BASE=/u01/app/oracle">> /home/oracle/.bash_profile
echo ‘export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/dbhome_1‘>> /home/oracle/.bash_profile
echo "export ORACLE_UNQNAME=dbking">> /home/oracle/.bash_profile
echo ‘export TNS_ADMIN=$ORACLE_HOME/network/admin‘  >> /home/oracle/.bash_profile
echo "export ORACLE_TERM=xterm">> /home/oracle/.bash_profile
echo ‘export PATH=/usr/sbin:$PATH‘>> /home/oracle/.bash_profile
echo ‘export PATH=$ORACLE_HOME/bin:$PATH‘>> /home/oracle/.bash_profile
echo ‘export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib‘>> /home/oracle/.bash_profile
echo ‘export CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib‘>> /home/oracle/.bash_profile
echo "export LANG=en_US">> /home/oracle/.bash_profile
echo "export NLS_LANG=american_america.AL32UTF8">> /home/oracle/.bash_profile
echo "export NLS_DATE_FORMAT=‘yyyy/mm/dd hh24:mi:ss‘">> /home/oracle/.bash_profile

echo "The Groups and users has been created"
echo "The Environment for grid,oracle also has been set successfully"

mkdir -p /u01/app/grid
mkdir -p /u01/app/11.2.0/grid
mkdir -p /u01/app/oracle
chown -R oracle:oinstall /u01
chown -R grid:oinstall /u01/app/grid
chown -R grid:oinstall /u01/app/11.2.0
chmod -R 775 /u01

cp /etc/security/limits.conf /etc/security/limits.conf.bak
echo "oracle soft nproc 2047">>/etc/security/limits.conf
echo "oracle hard nproc 16384">>/etc/security/limits.conf
echo "oracle soft nofile 1024">>/etc/security/limits.conf
echo "oracle hard nofile 65536">>/etc/security/limits.conf
echo "grid soft nproc 2047">>/etc/security/limits.conf
echo "grid hard nproc 16384">>/etc/security/limits.conf
echo "grid soft nofile 1024">>/etc/security/limits.conf
echo "grid hard nofile 65536">>/etc/security/limits.conf

cp /etc/pam.d/login /etc/pam.d/login.bak

echo "session required /lib/security/pam_limits.so">>/etc/pam.d/login
echo "session required pam_limits.so">>/etc/pam.d/login

cp /etc/profile /etc/profile.bak
echo ‘if [ $USER = "oracle" ]||[ $USER = "grid" ]; then‘ >>  /etc/profile
echo ‘if [ $SHELL = "/bin/ksh" ]; then‘ >> /etc/profile
echo ‘ulimit -p 16384‘ >> /etc/profile
echo ‘ulimit -n 65536‘ >> /etc/profile
echo ‘else‘ >> /etc/profile
echo ‘ulimit -u 16384 -n 65536‘ >> /etc/profile
echo ‘fi‘ >> /etc/profile
echo ‘fi‘ >> /etc/profile

cp /etc/sysctl.conf /etc/sysctl.conf.bak

echo "fs.aio-max-nr = 1048576">> /etc/sysctl.conf
echo "fs.file-max = 6815744">> /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 "kernel.sem = 250 32000 100 128">> /etc/sysctl.conf
echo "net.ipv4.ip_local_port_range = 9000 65500">> /etc/sysctl.conf
echo "net.core.rmem_default = 262144">> /etc/sysctl.conf
echo "net.core.rmem_max = 4194304">> /etc/sysctl.conf
echo "net.core.wmem_default = 262144">> /etc/sysctl.conf
echo "net.core.wmem_max = 1048586">> /etc/sysctl.conf
echo "net.ipv4.tcp_wmem = 262144 262144 262144">> /etc/sysctl.conf
echo "net.ipv4.tcp_rmem = 4194304 4194304 4194304">> /etc/sysctl.conf
sysctl -p

RAC安装环境配置脚本