Configuring the Oracle Network Environment
配置oracle网络环境
you should be able to:
Use Enterprise Manager to:
1、Create additional listeners
2、Create Oracle Net Service aliases
3、Configure connect-time failover
4、Control the Oracle Net Listener
5、Use tnsping to test Oracle Net connectivity
6、Identify when to use shared servers and when to use dedicated servers
Oracle Net configuration files ：
<Grid_home>/network/admin/listener.ora
./sqlnet.ora
grid用户下：
more listener.ora
more sqlnet.ora
ss -ln
windows cmd> tnsping 192.168.133.120:1521/tech1
Tools for Configuring and Managing the Oracle Network：
1、Enterprise Manager Net Services Administration page
2、Oracle Net Manager
3、Oracle Net Configuration Assistant
4、Command line
例：
$ . oraenv
ORACLE_SID = [orcl] ? +ASM
$ lsnrctl
LSNRCTL for Linux: Version 11.2.0.1.0 – Production on 30-JUN-2009 00:47:01
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Welcome to LSNRCTL, type “help” for information.
LSNRCTL> help
The following operations are available
An asterisk () denotes a modifier or extended command:
start stop status
services version reload
save_config trace spawn
change_password quit exit
set show*