goal:Remove the Oracle database form Linux platfrom completely
steps:
1.shutdown Oracle server and background processes.
$env |grep ORA //查看環境變量
$sqlplus /nolog
sql>conn / as sysdba//登錄
sql>select instance_name from v$instance；//查看實例名稱
sql>!ps -ef | grep ora//查看后臺進程
sql>shutdown immediate//停止實例
sql>!ps -ef | grep ora//查看后臺進程
sql>exit
2.stop oracle lister
$lsnrctl status//查看監聽服務狀態
3.remove all the subdirectories and subfiles which in $ORACLE_HOME directory
$startx//圖形界面刪除實例（可以在命令行直接刪除）
$dbca
$rm -rf /u01
4.delete these three files: dbhome,oraenv,coraenv in the /usr/local/bin directory
#cd /usr/local/bin
#rm coraenv
#rm oraenv
#rm dbhome
5.delete the two files: oratab and oralnst.loc in the /etc directory
#cd /etc
#rm oratab
#rm oraInst.loc
6.delete the directory: ORCLfmap and all its subfiles in the /opt directory
#cd /opt
#rm -rf ORCLlamp
7.delete the oracle user and groups normally it would be oinstall and dba
#cat /etc/passwd
#cat /etc/group
#userdel oracle
#groupdel oinstall
#groupdel dba
#ps-ef |grep ORA
#lsnrctl status
posted on 2009-09-30 17:00
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