启动监听：lsnrctl start

查看监听：lsnrctl status

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停止监听：lsnrctl stop

• 启动监听：lsnrctl start

[oracle@localhost ~]$ lsnrctl start

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 09-JAN-2013 21:54:06

Copyright (c) 1991, 2005, Oracle. All rights reserved.

Starting /u01/app/oracle/oracle/product/10.2.0/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 10.2.0.1.0 - Production
System parameter file is /u01/app/oracle/oracle/product/10.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/oracle/product/10.2.0/db_1/network/log/listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost.localdomain)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
STATUS of the LISTENER
------------------------
Alias                    LISTENER
Version                  TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date               09-JAN-2013 21:54:08
Uptime                   0 days 0 hr. 0 min. 1 sec
Trace Level              off
Security                 ON: Local OS Authentication
SNMP                     OFF
Listener Parameter File  /u01/app/oracle/oracle/product/10.2.0/db_1/network/admin/listener.ora
Listener Log File        /u01/app/oracle/oracle/product/10.2.0/db_1/network/log/listener.log
Listening Endpoints Summary...
 (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
 (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost.localdomain)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
 Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully

• 监听已启动查看监听状态lsnrctl status

[oracle@localhost ~]$ lsnrctl status

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 09-JAN-2013 21:55:21

Copyright (c) 1991, 2005, Oracle. All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
STATUS of the LISTENER
------------------------
Alias                    LISTENER
Version                  TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date               09-JAN-2013 21:54:08
Uptime                   0 days 0 hr. 1 min. 13 sec
Trace Level              off
Security                 ON: Local OS Authentication
SNMP                     OFF
Listener Parameter File  /u01/app/oracle/oracle/product/10.2.0/db_1/network/admin/listener.ora
Listener Log File        /u01/app/oracle/oracle/product/10.2.0/db_1/network/log/listener.log
Listening Endpoints Summary...
 (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
 (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost.localdomain)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
 Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully

• 监听未启动查看监听状态lsnrctl status

[oracle@localhost ~]$ lsnrctl status

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 09-JAN-2013 21:52:46

Copyright (c) 1991, 2005, Oracle. All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
TNS-12541: TNS:no listener
 TNS-12560: TNS:protocol adapter error
 TNS-00511: No listener
  Linux Error: 111: Connection refused
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost.localdomain)(PORT=1521)))
TNS-12541: TNS:no listener
 TNS-12560: TNS:protocol adapter error
 TNS-00511: No listener
  Linux Error: 111: Connection refused

• 停止监听：lsnrctl stop

[oracle@localhost ~]$ lsnrctl stop

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 09-JAN-2013 21:56:05

Copyright (c) 1991, 2005, Oracle. All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
The command completed successfully

新闻标题：Oracle每日一题——（1）启动/停止监听-创新互联
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