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How to set user limits for a specific user to unlimited in limits.conf on the Linux OS (Doc ID 2506973.1)

Last updated on MAY 24, 2020

Applies to:

Linux OS - Version Oracle Linux 5.0 and later
Information in this document applies to any platform.


It is possible to set certain limits for a specific user to unlimited in /etc/security/limits.conf (rather than just in their shell session). This article describes how to do this.

Note: Although this can be done, it is strongly recommended to not do this for standard user accounts, as this could mean that the user could continue to use resources until it hits the global (system-wide) limit set on the system, which will not only impact on performance of the whole system, it also means other users, applications or processes running on the system will start to fail as they will not be able to be allocated or to access resources. This should only be done on as needs and case by case basis.


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