[[rpm-patching]]
= Patching an RPM Installation

.Prerequisites
* Ensure that the base operating system is up-to-date, and is subscribed and enabled to get updates from the standard Red Hat Enterprise Linux repositories.
* Ensure that you are subscribed to the relevant RH-SSO repository for the update.
* Back up all configuration files, deployments, and user data.

[IMPORTANT]
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For a managed domain, the RH-SSO domain controller should be updated first.
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To install a RH-SSO patch via RPM from your subscribed repository, update your Red Hat Enterprise Linux system using the following command:

[source,bash,options="nowrap"]
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yum update
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