Drop Database



SQL> startup mount exclusive restrict;
ORACLE instance started.

Total System Global Area  730714112 bytes
Fixed Size                  2231952 bytes
Variable Size             721420656 bytes
Database Buffers            4194304 bytes
Redo Buffers                2867200 bytes
Database mounted.

SQL> drop database;

Disable firewall and SElinux prior to Oracle 11g Database install

Steps:

chkconfig iptables off
chkconfig ip6tables off
service iptables stop
service ip6tables stop

vi /etc/selinux/config
change SELinux=enforcing to SELinux=disabled

reboot