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Oracle Linux: Modifying kernel parameters using sysctl (Doc ID 390279.1)

Last updated on MARCH 04, 2021

Applies to:

Linux OS - Version 2.4 to 2.6
Oracle Cloud Infrastructure - Version N/A and later
Linux x86
Linux x86-64
Linux Kernel - Version: 2.4 to 2.6
***Checked for relevance on 10-Mar-2010***
***Checked for relevance on 20-Mar-2013***
***Checked for relevance on 27-Feb-2015***
***Checked for relevance on 15-Jan-2018***


The purpose of this article is explain how to configure kernel parameters on Red Hat (RHEL) and Oracle Linux (OL) systems using the sysctl utility.
Intended readers include System and Oracle Database Administrators seeking to tune/configure operating systems for Oracle usage.
As OL is based upon RHEL, sections relating to RHEL equally apply to OL.


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In this Document
 1. Querying Kernel Parameters
 2. Setting Kernel Parameters
 3. Persistent Kernel Parameter Modification

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