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Article ID: 130747, created on May 3, 2017, last review on May 4, 2017

  • Applies to:
  • Odin Automation Essentials 7.0

Symptoms

  • None of the Odin Automation Essentials control panels can be opened.
  • The httpd service restart fails with the following message:

    httpd: Could not reliably determine the server's fully qualified domain name, using <hostname_of_the_management_node>. Set the 'ServerName' directive globally to supress this message.
    

Cause

One of the reasons can be that when performing the yum update operation on the Odin Automation Essentials management node, the mod_ssl package can be updated. This can result in modification of the /etc/httpd/conf.d/ssl.conf file, which will break the configuration of Odin Automation Essentials.

Resolution

  1. Connect to the Odin Automation Essentials management node via ssh as root.
  2. Delete the ssl.conf file in the /etc/httpd/conf.d/ directory:

    # rm -f /etc/httpd/conf.d/ssl.conf
    
  3. Create the /etc/httpd/conf.d/ssl.conf directory to prevent such issues in future.

    # mkdir /etc/httpd/conf.d/ssl.conf
    
  4. Restart the httpd service:

    # service httpd restart
    

Resolution

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