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Oracle Linux: "The SSL certificate failed verification" Error when using Yum and Registering the Server to Unbreakable Linux Network (Doc ID 2633521.1)

Last updated on MARCH 16, 2021

Applies to:

Linux OS - Version Oracle Linux 6.5 with Unbreakable Enterprise Kernel [2.6.32] and later
Linux x86-64

Symptoms

1. When trying to list the yum repositories, an error "The SSL certificate failed verification" occurs.

root@hostname ~$ yum repolist

Loaded plugins: refresh-packagekit, rhnplugin, security

The SSL certificate failed verification.

root@hostname ~$

 

2. When trying to register the system to ULN using uln_register:

Fatal error:
The SSL certificate failed verification

Cause

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