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Old 01-16-2007, 01:20 AM   #1
LQ Newbie
Registered: Jun 2006
Posts: 8

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Error with Oracle10g on Linux FC6 in SQLPlus...

I just installed Oracle10g Express on Linux FC6.

I get errors in Java and SQLPlus when trying to connect to the database, or start it.

In SQLPlus as "sysdba" when I type "startup" I get this error...
ORA-27100: shared memory realm already exists

And in Java or SQLPlus when I try to connect as a valid user I get this error...
ORA-01034: ORACLE not available
ORA-27123: unable to attach to shared memory segment

Please help me.
Old 01-16-2007, 03:14 AM   #2
LQ Newbie
Registered: Jan 2007
Posts: 24

Rep: Reputation: 15
Hello John,

Before installing oracle 10g on linux you have to complete some pre-requisite steps. Please follow the document carefully at :


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