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I'm trying to install Oracle 11gR2 on Oracle Linux 7.4.
While the installer is performing prerequisite checks, we are getting error:
This is a prerequisite condition to test whether the OS kernel parameter "semmni" is properly set. (more details)
Expected Value : 128
Actual Value : 0
This was really, really easy to find an answer to: https://docs.oracle.com/en/database/oracle/oracle-database/12.2/cwlin/changing-kernel-parameter-values.html#GUID-FB0CC366-61C9-4AA2-9BE7-233EB6810A31
– Appleoddity – 2019-01-17T05:35:02.387