$ lsnrctl start

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 03-SEP-2008 03:15:30

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

Starting /oracle/ora10g/bin/tnslsnr: please wait...

TNS-12537: TNS:connection closed
 TNS-12560: TNS:protocol adapter error
  TNS-00507: Connection closed
   Linux Error: 29: Illegal seek

重新安裝ORACLE NET組件問題依然﹐最后發現/etc/hosts文件中

127.0.0.1       localhost.localdomain localhost     該行并注釋掉﹐取消注釋

$ lsnrctl start

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 03-SEP-2008 03:17:28

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

Starting /oracle/ora10g/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 10.2.0.1.0 - Production
System parameter file is /oracle/ora10g/network/admin/listener.ora
Log messages written to /oracle/ora10g/network/log/listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=simon)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=simon)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date                03-SEP-2008 03:17:28
Uptime                    0 days 0 hr. 0 min. 0 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /oracle/ora10g/network/admin/listener.ora
Listener Log File         /oracle/ora10g/network/log/listener.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=simon)(PORT=1521)))
Services Summary...
Service "mark" has 1 instance(s).
  Instance "mark", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully