How do I force CUPS to write configuration files immediately?

Solution In Progress - Updated -

Issue

How to force CUPS to write all newly defined printers to printers.conf file without restarting CUPS service?

Environment

  • Red Hat Enterprise Linux (RHEL) 6, 7, and 8
  • Common Unix Printing System (CUPS) 1.4.2, 1.6.3, and 2.2.6

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