如何修改Linux环境下的Oracle的IP地址配置

如何修改Linux环境下的Oracle的IP地址配置
新建配置文件tnsnames.orc，并将此文件放入

/usr/lib/oracle/11.2/client*****/network/admin下，具体文件配置信息如下：
#tnsnames.ora
Network
Configuration
File:
/usr/lib/oracle/11.2/client/network/admin/tnsnames.ora TEST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.8)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = test) ) )
EXTPROC_CONNECTION_DATA = (DESCRIPTION = (ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1)) )
(CONNECT_DATA = (SID = PLSExtProc) (PRESENTATION = RO) ) )
192.168.1.8标示字符串各自对应当前服务器的IP地址与全局数据库名