centos6.2下，部署oracle 11g

首先下载zip包

http://download.oracle.com/otn/linux/oracle11g/R2/linux.x64_11gR2_database_1of2.zip?AuthParam=1432692987_3cc2c86b1045bfc0c6b0e5d5b17046c2

http://download.oracle.com/otn/linux/oracle11g/R2/linux.x64_11gR2_database_2of2.zip?AuthParam=1432693005_d0f722c998ace777267381fc6d173b51

安装参考
1、网址console.amazonaws.cn 中的linux-CentOS6.4下安装oracle11g详解
2、http://wenku.baidu.com/link?url=fWhsIeoaI1XwVHob7krtQCBNGvcpz7iMFL0nf2TpqNckEeWCrWHj7prMoYDlr92fwOzNtl3W7KhLf6J8RV3Zp4Xri2hA38fjCn1B32bAOVy

ORA 01017 invalid username password logon denied

ORA-01034: ORACLE not available
Process ID: 0
Session ID: 0 Serial number: 0

//修改用户口令 格式 alter user 用户名 identified by 新密码;

1、使用oracle用户登录，连接数据库

[oracle@wuzj ~]$ sqlplus /nolog

SQL*Plus: Release 10.2.0.1.0 - Production on Thu Feb 26 12:06:29 2009

Copyright (c) 1982, 2005, Oracle. All rights reserved.

SQL> conn /as sysdba
Connected.

SQL> select username,password from dba_users;

SQL> alter user system identified by jingle100;
修改账号密码 http://www.cnblogs.com/xd502djj/archive/2009/02/26/1398702.html

oracle多个实例启动说明

http://wenku.baidu.com/view/89b02cd73186bceb19e8bb72.html