tail -50 listener.log
05-NOV-2007 22:47:14 * (CONNECT_DATA=(SID=rbt)(CID=(PROGRAM=)(HOST=__jdbc__)(USER=))) * (ADDRESS=(PROTOCOL=tcp)(HOST=172.31.252.11)(PORT=59335)) * establish * rbt * 0
[root@rbtora1 log]# cat start.log
TNSLSNR for Linux: Version 10.2.0.1.0 - Production on 12-JUL-2007 06:55:32
Copyright (c) 1991, 2005, Oracle. All rights reserved.
System parameter file is /opt/home/oracle/product/10.2.0/db_1/network/admin/listener.ora
Log messages written to /opt/home/oracle/product/10.2.0/db_1/network/log/start.log
Trace information written to /opt/home/oracle/product/10.2.0/db_1/network/trace/start.trc
Trace level is currently 0
Started with pid=10295
TNS-01151: Missing listener name, start, in LISTENER.ORA