[root@oel ora12c]# uname -a
Linux oel 2.6.39-300.26.1.el5uek #1 SMP Thu Jan 3 18:31:38 PST 2013 x86_64 x86_64 x86_64 GNU/Linux
[root@oel ora12c]# cat /etc/oracle-release 
Oracle Linux Server release 5.9

#因为该机器上有个oracle10g的库，建在oracle用户下了，所以新建ora12c用户，以不影响原用户。

mkdir -p /u02/ora12c

useradd -g oinstall -G dba -d /u02/ora12c -m ora12c

chown -R ora12c:oinstall /u02

cp /etc/skel/.bash_profile /u02/ora12c

cp /etc/skel/.bashrc /u02/ora12c

cp /etc/skel/.bash_logout /u02/ora12c

#下面的yum指令会自动安装12c所需的所有rpm包，第一行注释的是rh6下的语句

# yum install oracle-rdbms-server-12cR1-preinstall

yum install oracle-validated

yum -y install uptrack

#解压zip文件

[ora12c@oel zip]$ ll

total 2421884

drwxr-xr-x 7 ora12c oinstall       4096 Jun 10 20:14 database

-rw-r--r-- 1 ora12c oinstall 1361028723 Jul  1 11:04 linuxamd64_12c_database_1of2.zip

-rw-r--r-- 1 ora12c oinstall 1116527103 Jul  1 11:03 linuxamd64_12c_database_2of2.zip

#启动安装程序

[root@oel ~]# su - ora12c

[ora12c@oel ~]$ pwd

/u02/ora12c

[ora12c@oel ~]$ ll

total 0

[ora12c@oel ~]$ cd ../zip/database/

[ora12c@oel database]$ ll

total 60

drwxr-xr-x  4 ora12c oinstall 4096 Jul  1 14:00 install

drwxrwxr-x  2 ora12c oinstall 4096 May 25 04:43 response

drwxr-xr-x  2 ora12c oinstall 4096 May 25 03:29 rpm

-rwxr-xr-x  1 ora12c oinstall 7808 May 25 03:29 runInstaller

drwxrwxr-x  2 ora12c oinstall 4096 May 25 04:43 sshsetup

drwxr-xr-x 14 ora12c oinstall 4096 May 25 04:43 stage

-r-xr-xr-x  1 ora12c oinstall  500 Jun 10 13:52 welcome.html

[ora12c@oel database]$ ./runInstaller

安装界面没什么不同，如下：

打完收工，话说优化器改动不小~