Hi,
I am getting following messages while trying to install database from DBCA. PLEASE HELP ?

I RECEIVED THE SAME ERROR MESSAGE FROM THE FOLLOWING AS WELL :
[oracle@storage ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Wed Jul 15 15:59:10 2015
Copyright (c) 1982, 2009, Oracle. All rights reserved.
ERROR:
ORA-12547: TNS:lost contact