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How To Register a Cloned Oracle Linux Virtual Machine against Unbreakable Linux Network (ULN)? (Doc ID 1538116.1)

Last updated on MAY 26, 2021

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86
Linux x86-64

Goal

Oracle Linux (OL) and Red Hat Enterprise Linux (RHEL) systems are registered with the Unbreakable Linux Network (ULN) to receive various software patches and updates. When using cloned physical or virtual Linux systems, attempts to register a cloned system with ULN may fail e.g.:

# /usr/sbin/ulnreg_ks ... This system is already registered. Use --force to override

# /usr/sbin/uln_register ... It appears this system has already been set up for software updates ... Are you sure you would like to continue? [No, Cancel] [Yes, Continue]

# /usr/sbin/rhn_register ... It appears this system has already been set up for software updates ... Are you sure you would like to continue? [No, Cancel] [Yes, Continue]

This article describes how to configure a cloned OL6+/RHEL6+ system to uniquely register with ULN.

When attempting to register an OL6+/RHEL6+ system with ULN, the ULN server checks whether the system id of the registering system has already been registered. If so, ULN alerts the user accordingly.

Solution

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Goal
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