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oracle12c 端口查看,Oracle12c修改端口号

發布時間：2023/12/2 编程问答 36 豆豆

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Oracle12c數據庫更改端口號

修改端口號的整體步驟

1.1、查看當前監聽的狀態

1.2、停止監聽

1.3、修改監聽文件的端口號

1.4、修改初始化參數local_listener

1.5、重啟監聽器

1.6、修改完畢，使用新端口登錄測試

實踐步驟：

1、查看當前監聽的狀態

[oracle@localhost ~]$ lsnrctl status

LSNRCTL for Linux: Version 12.1.0.2.0 - Production on 21-DEC-2016 17:34:54

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521)))

STATUS of the LISTENER

------------------------

Alias ????????????????????LISTENER

Version ??????????????????TNSLSNR for Linux: Version 12.1.0.2.0 - Production

Start Date ???????????????20-DEC-2016 22:26:52

Uptime ???????????????????0 days 19 hr. 8 min. 1 sec

Trace Level ??????????????off

Security ?????????????????ON: Local OS Authentication

SNMP ?????????????????????OFF

Listener Parameter File ??/u01/app/oracle/12.1.0/db/network/admin/listener.ora

Listener Log File ????????/u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml

Listening Endpoints Summary...

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521)))

(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcps)(HOST=localhost)(PORT=5500))(Security=(my_wallet_directory=/u01/app/oracle/admin/qywsxxdb/xdb_wallet))(Presentation=HTTP)(Session=RAW))

Services Summary...

Service "qyws_jkda" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qyws_qyrk" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qyws_tjzb" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qyws_xnh" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qyws_yzxt" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qywsxxdb" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qywsxxdbXDB" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qywsxxdb_pdb1" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

The command completed successfully

2、停止監聽

[oracle@localhost admin]$ lsnrctl stop

LSNRCTL for Linux: Version 12.1.0.2.0 - Production on 21-DEC-2016 17:56:15

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521)))

The command completed successfully

3、修改監聽文件的端口號

監聽文件位置：$ORACLE_HOME/network/admin/通過系統自帶vi工具將listener.ora和tnsname.ora文件中port參數的值由1521改成1522，存盤即可。或者通過netca實用程序配置更改監聽端口。

4、啟動監聽程序

[oracle@localhost admin]$ lsnrctl start

LSNRCTL for Linux: Version 12.1.0.2.0 - Production on 21-DEC-2016 17:56:20

Starting /u01/app/oracle/12.1.0/db/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 12.1.0.2.0 - Production

System parameter file is /u01/app/oracle/12.1.0/db/network/admin/listener.ora

Log messages written to /u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml

Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1522)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1522)))

STATUS of the LISTENER

------------------------

Alias ????????????????????LISTENER

Version ??????????????????TNSLSNR for Linux: Version 12.1.0.2.0 - Production

Start Date ???????????????21-DEC-2016 17:56:20

Uptime ???????????????????0 days 0 hr. 0 min. 0 sec

Trace Level ??????????????off

Security ?????????????????ON: Local OS Authentication

SNMP ?????????????????????OFF

Listener Parameter File ??/u01/app/oracle/12.1.0/db/network/admin/listener.ora

Listener Log File ????????/u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml

Listening Endpoints Summary...

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1522)))

The listener supports no services

The command completed successfully

5、修改初始化參數local_listener參數

此處將4和5步驟調換，就是為了通過測試，說明為什么要修改local_listener參數，首先，在不修改該參數的情況，我們注冊數據庫到監聽程序。

[oracle@localhost admin]$ sqlplus / as sysdba

SQL*Plus: Release 12.1.0.2.0 Production on Wed Dec 21 17:56:25 2016

Connected to:

Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production

With the Partitioning, OLAP, Advanced Analytics and Real Application Testing options

SQL> show parameter local_li

NAME ?????TYPE ?VALUE

------------------------------------ ----------- ------------------------------

local_listener ?????string

SQL> alter system register;

System altered.

SQL> exit

Disconnected from Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production

With the Partitioning, OLAP, Advanced Analytics and Real Application Testing options

[oracle@localhost admin]$ lsnrctl status

LSNRCTL for Linux: Version 12.1.0.2.0 - Production on 21-DEC-2016 17:56:36

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1522)))

STATUS of the LISTENER

------------------------

Alias ????????????????????LISTENER

Version ??????????????????TNSLSNR for Linux: Version 12.1.0.2.0 - Production

Start Date ???????????????21-DEC-2016 17:56:20

Uptime ???????????????????0 days 0 hr. 0 min. 15 sec

Trace Level ??????????????off

Security ?????????????????ON: Local OS Authentication

SNMP ?????????????????????OFF

Listener Parameter File ??/u01/app/oracle/12.1.0/db/network/admin/listener.ora

Listener Log File ????????/u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml

Listening Endpoints Summary...

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1522)))

The listener supports no services

The command completed successfully

通過手動注冊數據庫，可以看到數據庫并未注冊到監聽程序，此時的local_listener為默認值，默認情況下會注冊默認監聽程序。接下來我們修改local_listener參數的值，看看修改后的效果。

SQL> alter system set local_listener="(address = (protocol = tcp)(host = 192.168.227.11)(port = 1522))" scope=both;

System altered.

SQL>

SQL> show parameter local_li

NAME ?????TYPE ?VALUE

------------------------------------ ----------- ------------------------------

local_listener ?????string ?(address = (protocol = tcp)(ho

st = 192.168.227.11)(port = 15

22))

SQL> exit

Disconnected from Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production

With the Partitioning, OLAP, Advanced Analytics and Real Application Testing options

[oracle@localhost ~]$ lsnrctl status

LSNRCTL for Linux: Version 12.1.0.2.0 - Production on 21-DEC-2016 18:02:09

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1522)))

STATUS of the LISTENER

------------------------

Alias ????????????????????LISTENER

Version ??????????????????TNSLSNR for Linux: Version 12.1.0.2.0 - Production

Start Date ???????????????21-DEC-2016 17:56:20

Uptime ???????????????????0 days 0 hr. 5 min. 49 sec

Trace Level ??????????????off

Security ?????????????????ON: Local OS Authentication

SNMP ?????????????????????OFF

Listener Parameter File ??/u01/app/oracle/12.1.0/db/network/admin/listener.ora

Listener Log File ????????/u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml

Listening Endpoints Summary...

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1522)))

(DESCRIPTION=(ADDRESS=(PROTOCOL=tcps)(HOST=localhost.localdomain)(PORT=5500))(Security=(my_wallet_directory=/u01/app/oracle/admin/qywsxxdb/xdb_wallet))(Presentation=HTTP)(Session=RAW))

Services Summary...

Service "qyws_jkda" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qyws_qyrk" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qyws_tjzb" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qyws_xnh" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qyws_yzxt" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qywsxxdb" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qywsxxdbXDB" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

Service "qywsxxdb_pdb1" has 1 instance(s).

Instance "qywsxxdb", status READY, has 1 handler(s) for this service...

The command completed successfully

可以看到監聽程序很快就會自動注冊可以識別到的數據庫實例。

那么為什么在這里要修改local_listener參數的值呢，默認情況下該參數為空值，依然可以動態將數據庫實例自動注冊監聽呢？首先，我們得知道是pmon進程在實時動態注冊數據庫的，一般在默認情況下，pmon只會動態注冊port等于1521的監聽，否則pmon不能動態注冊listener，如果想讓pmon動態注冊listener，那么就需要設置local_listener參數。這也是為什么必須在修改端口時，必須要修改local_listener參數的原因。

來自 “ ITPUB博客 ” ，鏈接：http://blog.itpub.net/31403259/viewspace-2131183/，如需轉載，請注明出處，否則將追究法律責任。

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