[prog] SQLPLUS error help needed

[Warren Prasad]

hi,
 
i installed oracle 9i on my linux Red Hat Advanced Server 2.1.
After successful installation when i try to login to the sqlplus
i get the following error.
 
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[oracle at localhost bin]$ sqlplus system/manager at localhost.localdomain
 
SQL*Plus: Release 9.0.1.0.0 - Production on Sat Feb 5 17:25:16 2000
 
(c) Copyright 2001 Oracle Corporation.  All rights reserved.
 
ERROR:
ORA-12541: TNS:no listener

Enter user-name:
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i also got the following error earlier :
 
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ERROR: 
ORA-01034: ORACLE not available 
ORA-27123: unable to attach to shared memory segment 
Linux Error: 13: Permission denied 
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Plz .. can anyone help me out .....
 
regards,
Warren B P

		
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