wget https://public-yum.oracle.com/RPM-GPG-KEY-oracle-ol6 -O /etc/pki/rpm-gpg/RPM-GPG-KEY-oracle --no-check-certificate

yum install oracle-rdbms-server-11gR2-preinstall

vi /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=oracle.buzheng.org

vi /etc/hosts
192.168.1.15 oracle.buzheng.org oracle

[root@oracle ~]# passwd oracle
更改用户 oracle 的密码 。
新的 密码：
重新输入新的 密码：
passwd： 所有的身份验证令牌已经成功更新。

[root@oracle ~]# vi /etc/security/limits.d/90-nproc.conf
# Default limit for number of user's processes to prevent
# accidental fork bombs.
# See rhbz #432903 for reasoning.
*   soft nproc  1024
root  soft nproc  unlimited
*   -  nproc  16384

[root@oracle ~]# vi /etc/selinux/config
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#  enforcing - SELinux security policy is enforced.
#  permissive - SELinux prints warnings instead of enforcing.
#  disabled - No SELinux policy is loaded.
SELINUX=permissive
# SELINUXTYPE= can take one of these two values:
#  targeted - Targeted processes are protected,
#  mls - Multi Level Security protection.
SELINUXTYPE=targeted

[root@oracle]# reboot

[root@oracle]# mkdir -p /u01/app/oracle/product/11.2.0/dbhome_1
[root@oracle]# chown -R oracle:oinstall /u01
[root@oracle]# chmod -R 775 /u01

[root@oracle]# xhost + # 要在主机上运行，不能是远程 shell

[root@oracle]# su oracle
[oracle@oracle]# vi .bash_profile
# Oracle Settings
TMP=/tmp; export TMP
TMPDIR=$TMP; export TMPDIR
ORACLE_HOSTNAME=oracle.buzheng.org; export ORACLE_HOSTNAME
ORACLE_UNQNAME=orcl; export ORACLE_UNQNAME
ORACLE_BASE=/u01/app/oracle; export ORACLE_BASE
ORACLE_HOME=$ORACLE_BASE/product/11.2.0/dbhome_1; export ORACLE_HOME
ORACLE_SID=orcl; export ORACLE_SID
PATH=/usr/sbin:$PATH; export PATH
PATH=$ORACLE_HOME/bin:$PATH; export PATH
LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib; export LD_LIBRARY_PATH
CLASSPATH=$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib; export CLASSPATH export PATH

linux.x64_11gR2_database_1of2.zip
linux.x64_11gR2_database_2of2.zip

unzip linux.x64_11gR2_database_1of2.zip
unzip linux.x64_11gR2_database_2of2.zip
cd database
./runInstaller

export LANG=en_US
./runInstaller

[root@oracle ~]# /u01/app/oraInventory/orainstRoot.sh 
Changing permissions of /u01/app/oraInventory.
Adding read,write permissions for group.
Removing read,write,execute permissions for world.
Changing groupname of /u01/app/oraInventory to oinstall.
The execution of the script is complete.

[root@oracle ~]# /u01/app/oracle/product/11.2.0/dbhome_1/root.sh 
Running Oracle 11g root.sh script...
The following environment variables are set as:
 ORACLE_OWNER= oracle
 ORACLE_HOME= /u01/app/oracle/product/11.2.0/dbhome_1
Enter the full pathname of the local bin directory: [/usr/local/bin]: 
 Copying dbhome to /usr/local/bin ...
 Copying oraenv to /usr/local/bin ...
 Copying coraenv to /usr/local/bin ...
Creating /etc/oratab file...
Entries will be added to the /etc/oratab file as needed by
Database Configuration Assistant when a database is created
Finished running generic part of root.sh script.
Now product-specific root actions will be performed.
Finished product-specific root actions.

ORA-01078: failure in processing system parameters
LRM-00109: could not open parameter file '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/initDB11G.ora'

SID_LIST_LISTENER = 
 (SID_LIST= 
 (SID_DESC =
  (SID_NAME = orcl)
  (ORACLE_HOME = /u01/app/oracle/product/11.2.0/dbhome_1)
 )
 )

iptables -I INPUT 4 -m state --state NEW -p tcp --dport 1521 -j ACCEPT
service iptables save
service iptables reload

[root@oracle ~]# vi /etc/oratab
#
# This file is used by ORACLE utilities. It is created by root.sh
# and updated by the Database Configuration Assistant when creating
# a database.
# A colon, ':', is used as the field terminator. A new line terminates
# the entry. Lines beginning with a pound sign, '#', are comments.
#
# Entries are of the form:
#  $ORACLE_SID:$ORACLE_HOME:N|Y>:
#
# The first and second fields are the system identifier and home
# directory of the database respectively. The third filed indicates
# to the dbstart utility that the database should , "Y", or should not,
# "N", be brought up at system boot time.
#
# Multiple entries with the same $ORACLE_SID are not allowed.
#
#
orcl:/u01/app/oracle/product/11.2.0/dbhome_1:Y

#!/bin/sh
# chkconfig: 345 61 61
# description: Oracle 11g R2 AutoRun Servimces
# /etc/init.d/oracle
#
# Run-level Startup script for the Oracle Instance, Listener, and
# Web Interface
ORACLE_HOME="/u01/app/oracle/product/11.2.0/dbhome_1"
ORA_OWNR="oracle"
# if the executables do not exist -- display error
if [ ! -f "$ORACLE_HOME/bin/dbstart" ]
then
echo "Oracle startup: cannot start"
exit 1
fi
# parameter: start, stop, restart
case "$1" in
start)
# Oracle listener and instance startup
su $ORA_OWNR -s /bin/bash $ORACLE_HOME/bin/dbstart $ORACLE_HOME
echo "Oracle Start Succesful!OK."
;;
stop)
# Oracle listener and instance shutdown
su $ORA_OWNR -s /bin/bash $ORACLE_HOME/bin/dbshut $ORACLE_HOME
echo "Oracle Stop Succesful!OK."
;;
restart)
$0 stop
$0 start
;;
*)
echo $"Usage: `basename $0` {start|stop|restart}"
exit 1
esac
exit 0

# chmod 750 /etc/init.d/oracle
# ln -s /etc/init.d/oracle /etc/rc1.d/K61oracle
# ln -s /etc/init.d/oracle /etc/rc3.d/S61oracle

service oracle start
service oracle stop
service oracle restart

# chkconfig --add oracle
# chkconfig --level 345 oracle on