Not able to connect from linux client. Get TNS-12560: TNS:protocol adapter

Hi,
Details of the configuration :
Server:
RHEL4: 10.2.0.3 Oracle Enterprise Database installed.
SID = orcl, port 1521.
Client:
RHEL4 : 10.2.0.x client installed.
Whenever, I try to connect from Client to server, I get following error:
For tnsping orcl I get following error :
TNS-12560: TNS:protocol adapter error
I get the same error even, If I do a sqlplus "scott/tiger@orcl" with TNS_ADMIN, ORACLE_HOME everything set correctly.
On the server, I am able to connect to the same db without any problem. I have following env set ORACLE_HOME, TNS_ADMIN and PATH. Here, I am trying to make sure that the sqlplus goes through the listner.
Any help is appreciated. Please let me know if you need more information.
Thanks much.
V.Chandrashekar

Ensure your listener is properly configured and started. Check the listener's address and verify you can tnsping it with the tnsping command:
tnsping orcl
On the other side, make sure your tnsnames.ora file on the client side has properly configured the address where the listener is located.
~ Madrid

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>
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1011004 wrote:
Hi All,
I am able to connect from sqlplus.exe which is server db_home but when try to connect from sqlplus.exe which is in client_home ,getting following error
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I tried 'C:\app\client_home\sqlplus.exe system/system@orcl' getting following error
ORA-12154: TNS:could not resolve the connect identifier specified.
This error is FULLY explained at (ora-12154 TNS:could not resolve the connect identifier specified)
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Copyright (c) 1997, 2013, Oracle. All rights reserved.
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