Open database, but cannot connect to the host

We have two different users on Unix HP - UX... the ORACLE user can connect to any instance very well. Another user account gets 'connected to an idle instance' for all the three instances on this machine. Looks like a Unix / number of the environment variable. Any ideas?

Make sure that oracle executable has the following permissions (including "s" bits):

 ls -al $ORACLE_HOME/bin/oracle
-rwsr-s--x 1 oracle oinstall 173515991 Jan 20 21:59 /u01/app/oracle/product/11.2.0/dbhome_1/bin/oracle

Tags: Database

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