1、更改机器名称
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~]# hostnamectl --static set-hostname oracle
２、
~]# su - oracle
Last login: Tue Apr 12 10:11:34 CST 2016 from 192.168.30.250 on pts/0
[oracle@oracledb ~]$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 12-APR-2016 10:19:53
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 2: No such file or directory
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=webtest)(PORT=1521)))
TNS-12545: Connect failed because target host or object does not exist
TNS-12560: TNS:protocol adapter error
TNS-00515: Connect failed because target host or object does not exist
Linux Error: 110: Connection timed out
３、
~]$ vim $ORACLE_HOME/network/admin/listener.ora
更改为相关机器名
4、启动监听
~]$ lsnrctl start