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Lock Oracle and Grid Linux Accounts

edited May 21, 2013 10:25AM in Database Security Products (MOSC) 3 commentsAnswered
We have been asked to lock the Oracle and Grid accounts for our 2-node RAC installation. According to the security team they will :

-- lock the accounts via the “passwd –l” command; it’ll append the password string in /etc/shadow with a !! making it “non-valid”. 

It is well understood that we can log into the LInux servers with our own userid's and sudo su – oracle/grid.   However ...

My concerns are (1) inter-node communication via SSH and (2)  monitoring the databases, server metrics and ASM instances using Cloud Control since oracle and grid are used to obtain stats. What affect, if any,will locking these 2 Linux  accounts have ?  Can someone point me to an official Oracle document on this particular subject as I have not found one to date.

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