1看监听状态
Lsnrctl status
oracle@ria8:~> lsnrctl status
LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 22-12月-2010 11:43:00
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date 22-12月-2010 11:20:46
Uptime 0 days 0 hr. 22 min. 13 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /opt/oracle/product/10.2/db_1/network/admin/listener.ora
Listener Log File /opt/oracle/product/10.2/db_1/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.31.31)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "orcl" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "orclXDB" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "orcl_XPT" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
The command completed successfully
oracle@ria8:~>
2ps -ef | grep -v grep |grep tnslsnr | awk '{print $2}
用此命令查看监听的PID
3干掉进程kill -9 pid
4清空日志：
Cd /opt/oracle/product/10.2/db_1/network/log/
Echo “ “ > listener.log
5重启监听：oracle用户
Lsnrctl start
或者oracle绝对路径：/opt/oracle/product/10.2/db_1/bin（即ORACLE_HOME/bin）
看警告日志在ORACLE_BASE/admin/SID/bdump
