Oracle database cleanup directory script completely
Delete directory
Rm-rf / opt/grid
Rm-rf / opt/oracle
Rm-rf / opt/ogrid
Rm-rf / etc/ora*
Rm-rf / tmp/.oracle
Rm-rf / var/tmp/.oracle
Rm-rf / etc/init/oracle-ohasd.conf
Rm-rf / etc/init.d/ohasd
Rm-rf / etc/init.d/init.ohasd
Create a directory
Mkdir-p / opt/grid/products/11.2.0
Mkdir-p / opt/ogrid
Mkdir-p / opt/oracle/products/11.2.0
Mkdir-p / opt/grid/oraInventory
Chown-Rf grid.oinstall / opt/grid
Chown-Rf grid.oinstall / opt/ogrid
Chown-Rf oracle.oinstall / opt/oracle
Server needs to be restarted
Reboot