Linux下主机名的修改对oracle监听及EM的影响及恢复

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1、Linux下主机名的修改对oracle监听及EM的影响及恢复一．修改主机名及恢复监听修改主机名分为动态和静态，动态是指不需要重启就能更改，但是重启无法保存，静态的意思需要修改配置文件，重启会被保存1.动态修改对监听的影响查看当前的hostname[root@localhost~]#hostnamelocalhost.localdomain[root@localhost~]#hostnameoracle[root@localhost~]#su–查看network的hostname[root@oracle~]#vi/etc/sysc

2、onfig/networkNETWORKING=yesNETWORKING_IPV6=noHOSTNAME=localhost.localdomain查看hosts[root@oracle~]#vi/etc/hosts#Donotremovethefollowingline,orvariousprograms#thatrequirenetworkfunctionalitywillfail.127.0.0.1localhost.localdomainlocalhost::1localhost6.localdomain6localh

3、ost6先去启动一下监听看一下有什么变化[root@oracle~]#su-oracle[oracle@oracle~]$[oracle@oracle~]$cd/u01/app/oracle/product/10.2.0/dbhome_1/network/admin/[oracle@oracleadmin]$pwd/u01/app/oracle/product/10.2.0/dbhome_1/network/admin[oracle@oracleadmin]$lslistener.orasamplesshrept.lstsqln

4、et.oratnsnames.ora[oracle@oracleadmin]$vilistener.ora#listener.oraNetworkConfigurationFile:/u01/app/oracle/product/10.2.0/dbhome_1/network/admin/listener.ora#GeneratedbyOracleconfigurationtools.SID_LIST_LISTENER=(SID_LIST=(SID_DESC=(SID_NAME=PLSExtProc)(ORACLE_HOME=/

5、u01/app/oracle/product/10.2.0/dbhome_1)(PROGRAM=extproc)))LISTENER=(DESCRIPTION_LIST=(DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1))(ADDRESS=(PROTOCOL=TCP)(HOST=localhost.localdomain)(PORT=1521))))~"listener.ora"20L,525C[oracle@oracle~]$lsnrctlstartLSNRCTLforLinu

6、x:Version10.2.0.1.0-Productionon26-FEB-201101:23:16Copyright(c)1991,2005,Oracle.Allrightsreserved.Starting/u01/app/oracle/product/10.2.0/dbhome_1/bin/tnslsnr:pleasewait...TNSLSNRforLinux:Version10.2.0.1.0-ProductionSystemparameterfileis/u01/app/oracle/product/10.2.0/

7、dbhome_1/network/admin/listener.oraLogmessageswrittento/u01/app/oracle/product/10.2.0/dbhome_1/network/log/listener.logListeningon:(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))Listeningon:(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))Connect

8、ingto(DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))STATUSoftheLISTENER------------------------AliasLISTENERVersionTNSLSNRforL