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Resolution: ULN-CA-CERT to be Updated With SHA-2 Certificates on December 15, 2016

Posted on February 17, 2017, by mokum

By Roddy Rodstein 02/17/2017
This post is applicable to Oracle Linux 5 and 6, and Oracle VM 2, and 3.

At the end of 2016 several SSL certificate vendors started phasing out SHA-1 type CA certificates in favor of SHA-2 CA certificates. This issue impacted Oracle Linux systems that connect to the Unbreakable Linux Network (ULN). As of December 15, 2016 ULN clients SSL CA certificates must be updated to be able to continue receiving updates from ULN. 

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Solution: Failed ssh logins with valid user account and password

Posted on September 8, 2016, by mokum
By Roddy Rodstein 09/08/2016
This post is applicable to Enterprise Linux 5 and 6, and Oracle VM 3.x.
 
Challange: Valid local user accounts are unable to login via ssh. Resetting user account passwords or unlocking a user account via the "passwd -u username" command still does not allow the user account to login via ssh. 
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Resolution: WebLogic server performance degradation

Posted on July 1, 2016, by mokum
By Roddy Rodstein 07/01/2016
This post is applicable to WebLogic on Oracle Linux, and Red hat Enterprise Linux 5 and 6 with performance degradation.
 
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