Sql Plus & Listener & TNSname are my problems

I have installed Oracle Enterpise Sever on Linux Server (Open Linux of Caldera).
I have installed Oracle Client on Win98 workstation.
I have problem after set Net8 conf client.
Servicename = oralin (same as server)
Protocol = TCP (same as server)
Host=192.168.0.11 (server ip addr.)
SID=oralin (same as server)
==============================================================
My Sqlnet.ora at client is
#sqlnet.authentication_services = (NONE)
#NAME.DEFAULT_ZONE = world
#SQLNET.EXPIRE_TIME = 0
#SQLNET.ENCRYPTION_SERVER = requested
#SQLNET.ENCRYPTION_CLIENT = requested
SQLNET.EXPIRE_TIME = 0
SQLNET.ENCRYPTION_SERVER = requested
SQLNET.ENCRYPTION_CLIENT = requested
NAMES.DIRECTORY_PATH= (TNSNAMES, HOSTNAME, ONAMES)
==============================================================
My TNSname 's syntax at client is
ORALIN =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.11)(PORT = 1521))
(CONNECT_DATA = (SID = oralin))
==============================================================
My TNSname 's syntax at server is
ORALIN =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.11)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = oralin)
==============================================================
My LISTENER.ORA at Server side
LISTENER =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.11)(PORT = 1521))
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = oralin)
(ORACLE_HOME = /usr/oracle)
(SID_NAME = oralin)
==============================================================
At server listener for protocol TCP, host 192.168.0.11, port 1521 has been started. Database has also been started.
I am able to test Net 8 conf at server side. It works fine.
This is my LISTENER status
LSNRCTL for Linux: Version 8.1.6.0.0 .....
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.0.11)
(PORT=1521)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for Linux Version 8.1.6.0.0 - Production
Services Summary
oralin has 1 service handler(s)
The command completed successfully
==============================================================
But from client, I run Net8 conf to test TNS
then I got like below...
The test did not succeed.
ORA-12545: Connect failed because target host or object does not exist
There may be an error in the fields entered
or the server may not be ready for a connection.
You can check the server and retry, or continue.
But if I run sqlplus, then prompt show
Enter user name : system (i type and enter)
I got like below...
Error
ORA-12203: TNS: unable to connect to destination.
I know that it because of either TCP protocol or my setting.
But as my setting i said in the above, it should be ok.
And for TCP, I am able to ping 192.168.0.11
and I am to tnsping80 192.168.0.11 (it can contact listener which is runing on server)
Is there any setting or hint or problem to be done?
It is urgently
Thank you

read my post: http://technet.oracle.com:89/ubb/Forum7/HTML/200107.html
cheers,
Andrew

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Message was edited by:
uncle carmine
Message was edited by:
uncle carmine

could anybody answer these questions:
1. why tnsnames.ora wasn't created?
2. why tns listener wasn't created?I think you cancel Network Configuration Assistan which would create tnsnames.ora and listener. I hope others help you with the other questions I have plenty of work
Best Regards
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