How to change DNS options provided via DHCP in an Azure environment

Solution Verified - Updated -

Issue

  • The typical configuration provided by the Azure DHCP server doesn't fit my needs and I need to change options
  • I want to use my own (on-premise) DNS server on my Azure machines
  • I'm afraid the default domain search could leak internal hostname information to the Microsoft DNS servers

Environment

  • Red Hat Enterprise Linux (RHEL) 7.x
  • Microsoft Azure Cloud

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