Home » Infrastructure » Linux » sqlplus ORA-12547: TNS:lost contact (RHEL5.1 x86_64 , oracle 11.1.0.6(x86_64) + oracle 11.1.0.7 patch(x86_64))
sqlplus ORA-12547: TNS:lost contact [message #378566] Tue, 30 December 2008 23:59 Go to previous message
bitmus
Messages: 3
Registered: December 2008
Junior Member
Dear All

i've installed RHEL 5.1 (x86_64)
and
installed oracle 11.1.0.6(x86_64) by oracle user, then patched oracle 11.1.0.7 patch(x86_64).

created db and all(dbstart and dbshut, lsnrctl) is ok when use oracle user.

also i have another os user who is member of dba.

but sqlplus gives ORA-12547: TNS:lost contact.

SQL*Plus: Release 11.1.0.7.0 - Production on Wed Dec 31 21:27:47 2008

Copyright (c) 1982, 2008, Oracle.  All rights reserved.

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


but there is no error when using sqlplus by oracle user.
i suspect there is something like file permission.

oracle user is
uid=501(oracle) gid=501(dba) groups=501(dba)
another os user is
uid=500(dbop) gid=500(dbop) groups=500(dbop),501(dba)

oracle folder is owned by orace:dba and has 775 permission.


just confused.
help, please.
Tnx
 
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