Incase I confused you all,

login as: oracle
[email protected]'s password:
Last login: Thu Feb 12 21:48:46 2009 from 192.168.74.97
[oracle@oradb1 ~]$ sqlplus / as sysdba;

SQL*Plus: Release 10.2.0.4.0 - Production on Thu Feb 12 23:30:21 2009

Copyright (c) 1982, 2007, Oracle. All Rights Reserved.

ERROR:
ORA-12547: TNS:lost contact


Enter user-name:sys as sysdba
Enter password:
ERROR:
ORA-12547: TNS:lost contact


Enter user-name:


Thanks