What all files one should modify in order to change the hostname permanently through kickstart %post script?

Solution Verified - Updated -

Issue

  • What all files one should modify in order to change the hostname permanently through kickstart %post script?
  • The following %post script is not helping out.
%post
hostnamectl set-hostname testhostname --static
%end
  • Is there any other location which can be utilized to get hostname?

Environment

  • Red Hat Enterprise Linux 7.3

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