[oracle@vrh8 log]$ ls -lh listener.log -rw-r----- 1 oracle oinstall 3.0G Oct 25 07:28 listener.log [oracle@vrh8 log]$ lsnrctl status LSNRCTL for Linux: Version 10.2.0.5.0 - Production on 25-OCT-2012 07:29:44 Copyright (c) 1991, 2010, Oracle. All rights reserved. Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521)) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 10.2.0.5.0 - Production Start Date 25-OCT-2012 07:24:59 Uptime 0 days 0 hr. 4 min. 45 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Log File /s01/oracle/product/10.2.0.5/db_1/network/log/listener.log Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=vrh8)(PORT=1521))) Services Summary... Service "G10R25" has 1 instance(s). Instance "G10R25", status READY, has 1 handler(s) for this service... Service "G10R25XDB" has 1 instance(s). Instance "G10R25", status READY, has 1 handler(s) for this service... Service "G10R25_XPT" has 1 instance(s). Instance "G10R25", status READY, has 1 handler(s) for this service... The command completed successfully C:\Users\ML>sqlplus [oracle@vrh8 log]$ tail -f listener.log 25-OCT-2012 07:31:52 * (CONNECT_DATA=(SERVICE_NAME=G10R25)(CID=(PROGRAM=D:\app\ML\product\11.2.0\dbhome_1\bin\sqlplus.exe)(HOST=XIANGBLI-CN)(USER=ML))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.6)(PORT=56013)) * establish * G10R25 * 0 25-OCT-2012 07:31:55 * service_update * G10R25 * 0 25-OCT-2012 07:32:06 * (CONNECT_DATA=(SERVICE_NAME=G10R25)(CID=(PROGRAM=D:\app\ML\product\11.2.0\dbhome_1\bin\sqlplus.exe)(HOST=XIANGBLI-CN)(USER=ML))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.6)(PORT=56017)) * establish * G10R25 * 0 25-OCT-2012 07:32:10 * service_update * G10R25 * 0 25-OCT-2012 07:32:12 * (CONNECT_DATA=(SERVICE_NAME=G10R25)(CID=(PROGRAM=D:\app\ML\product\11.2.0\dbhome_1\bin\sqlplus.exe)(HOST=XIANGBLI-CN)(USER=ML))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.6)(PORT=56018)) * establish * G10R25 * 0 25-OCT-2012 07:32:13 * service_update * G10R25 * 0 25-OCT-2012 07:32:17 * (CONNECT_DATA=(SERVICE_NAME=G10R25)(CID=(PROGRAM=D:\app\ML\product\11.2.0\dbhome_1\bin\sqlplus.exe)(HOST=XIANGBLI-CN)(USER=ML))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.6)(PORT=56020)) * establish * G10R25 * 0