有的時候netca命令不能很好使用的話，（DISPLAY的支援），可以手工建立該檔案，需要了解該檔案的存放位置/u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora

# listener.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.


SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (GLOBAL_DBNAME = orcl) (SID_NAME = orcl) ))


LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    )
  )



ADR_BASE_LISTENER = /u01/app/oracle