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Errors with Oracle on Linux installation

I have installed Oracle 9i on Linux. I created a database on the machine but when I try to start the listener my errors are:
  1. TNS-12545 connect failed because target host or object does not exist.
  2. TNS-12560 TNS:protocol adapter error.
  3. TNS-00515 connect failed because target host or object does not exist.
  4. Linux Error 11: Resource temporarily unavailable.

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Ensure that the port you are using in the listener.ora file is actually available and not being used by some other service. Also ensure that if you are using hostname in the listener.ora it resolves properly to the correct server. If not, consider using IP address to see if that resolves the problem.

This was first published in April 2007

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