[root@mckprod ~]# sqlplus SQL*Plus: Release xxx.xxx.xxx Production on Fri Nov 16 10:23:31 2018 Copyright (c) 1982, 2009, Oracle. All rights reserved.
[root@mckprod ~]# sqlplus SQL*Plus: Release xxx.xxx.xxx Production on Fri Nov 16 10:23:31 2018 Copyright (c) 1982, 2009, Oracle. All rights reserved. Enter user-name: sys as sysdba Enter password: ERROR: ORA-01031: insufficient privileges
Try connecting with oracle user , instead of root .
