如何啟動 oracle 監聽器？檢查監聽器狀態：使用命令 lsnrctl status。啟動監聽器：使用命令 lsnrctl start。驗證監聽器狀態：再次使用命令 lsnrctl status。
如何啟動 Oracle 監聽器？
啟動步驟：
檢查監聽器狀態：使用命令 lsnrctl status 檢查監聽器狀態。如果監聽器未運行，將顯示以下錯誤消息：
LSNRCTL for Linux: Version 12.2.0.1.0 - Production on 29-JAN-2023 10:21:07 Copyright (c) 1991, 2017, Oracle. All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521))) TNS-12541: TNS:no listener
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啟動監聽器：使用命令 lsnrctl start 啟動監聽器。如果命令成功執行，將顯示以下輸出：
LSNRCTL for Linux: Version 12.2.0.1.0 - Production on 29-JAN-2023 10:21:07 Copyright (c) 1991, 2017, Oracle. All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521))) Starting /home/<a style="color:#f60; text-decoration:underline;" href="https://www.php.cn/zt/15715.html" target="_blank">oracle</a>/app/oracle/product/12.2.0/dbhome_1/network/admin/listener.ora
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驗證監聽器狀態：再次使用命令 lsnrctl status 驗證監聽器是否已成功啟動。輸出將顯示監聽器正在運行：
LSNRCTL for Linux: Version 12.2.0.1.0 - Production on 29-JAN-2023 10:21:07 Copyright (c) 1991, 2017, Oracle. All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521))) Status of the LISTENER ------------------------ Alias LISTENER Version 12.2.0.1.0 Start Date 29-JAN-2023 10:21:07 Uptime 0 days 0 hr. 0 min. 0 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Default Service orcl Listener Parameter File /home/oracle/app/oracle/product/12.2.0/dbhome_1/network/admin/listener.ora Listener Log File /home/oracle/app/oracle/product/12.2.0/dbhome_1/network/log/listener.log Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521)))
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