[oracle@internal bin]$ ./sqlplus SQL*Plus: Release 10.1.0.2.0 - Production on Mon Jul 12 22:45:24 2004 Copyright (c) 1982, 2004, Oracle. All rights reserved. Enter user-name: SYS Enter password: ERROR: ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist Linux Error: 2: No such file or directory
Make sure that you have set the ORACLE_SID and exported it in your environment. If your instance is up and running, then you likely have enough shared memory and semaphore resources. I know Werner's instructions include information about setting up the proper kernel parameters, so if you followed those instructions, you should already have things set up right. If you're attempting to start the instance, you should connect like this:
sqlplus '/ as sysdba'and hopefully things will go better -- or at least your error will change!
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