lsnrctl
是 Oracle 数据库中的一个命令行工具,用于管理和控制监听器。如果你需要重载监听器的配置文件,可以按照以下步骤操作:
-
打开命令行界面:
- 在 Windows 上,你可以使用命令提示符(cmd)或 PowerShell。
- 在 Linux 或 Unix 上,你可以使用终端。
-
连接到监听器: 使用
lsnrctl
命令连接到监听器。通常情况下,你可以直接运行lsnrctl
命令,它会自动连接到默认的监听器。lsnrctl
-
查看当前监听器状态: 在连接到监听器后,你可以使用
status
命令查看当前监听器的状态。lsnrctl status
-
重载配置文件: 使用
reload
命令来重载监听器的配置文件。监听器的配置文件通常是listener.ora
。lsnrctl reload
-
验证配置文件是否已重载: 再次使用
status
命令来验证配置文件是否已成功重载。lsnrctl status
-
退出监听器控制台: 如果你完成了所有操作,可以使用
exit
命令退出监听器控制台。exit
示例
以下是一个完整的示例,展示了如何在 Linux 上重载 Oracle 监听器的配置文件:
# 打开终端 $ lsnrctl # 连接到监听器(通常不需要指定监听器名称,默认即可) LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 12-JAN-2023 10:00:00 Copyright (c) 1991, 2019, Oracle. All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=your_host_name)(PORT=1521))) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 19.0.0.0.0 - Production Start Date 12-JAN-2023 09:00:00 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/product/19.0.0/dbhome_1/network/admin/listener.ora Listener Log File /u01/app/oracle/diag/tnslsnr/your_host_name/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=your_host_name)(PORT=1521))) Services Summary... Service "CLRExtProc" has 1 instance(s). Instance "clrextproc", status READY, has 1 handler(s) for this service... Service "your_service_name" has 1 instance(s). Instance "your_instance_name", status READY, has 1 handler(s) for this service... The command completed successfully # 重载配置文件 LSNRCTL> reload Reloading listener... The command completed successfully # 再次查看监听器状态 LSNRCTL> status LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 12-JAN-2023 10:05:00 Copyright (c) 1991, 2019, Oracle. All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=your_host_name)(PORT=1521))) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 19.0.0.0.0 - Production Start Date 12-JAN-2023 10:00:00 Uptime 0 days 0 hr. 5 min. 0 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /u01/app/oracle/product/19.0.0/dbhome_1/network/admin/listener.ora Listener Log File /u01/app/oracle/diag/tnslsnr/your_host_name/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=your_host_name)(PORT=1521))) Services Summary... Service "CLRExtProc" has 1 instance(s). Instance "clrextproc", status READY, has 1 handler(s) for this service... Service "your_service_name" has 1 instance(s). Instance "your_instance_name", status READY, has 1 handler(s) for this service... The command completed successfully # 退出监听器控制台 LSNRCTL> exit
通过以上步骤,你可以成功地重载 Oracle 监听器的配置文件。