Red Hat Enterprise Linux 7.5, 7.6, 7.7 and 8.1 KVM Guest Image Contains Invalid DNS Entry

Solution Verified - Updated -

Issue

  • Recent releases of Red Hat Enterprise Linux 7.5, 7.6 and 7.7 Update KVM Guest Image contains an invalid entry in /etc/resolv.conf. This file should be blank by default.
# Generated by NetworkManager
nameserver 192.168.122.1

Environment

  • Red Hat Enterprise Linux 7.5 Update KVM Guest Images:

    • Red Hat Enterprise Linux 7.5 Update KVM Guest Image (20180816)
    • Red Hat Enterprise Linux 7.5 Update KVM Guest Image (20180925)
  • Red Hat Enterprise Linux 7.6 Update KVM Guest Images:

    • Red Hat Enterprise Linux 7.6 Update KVM Guest Image (20190515)
    • Red Hat Enterprise Linux 7.6 Update KVM Guest Image (20190618)
  • Red Hat Enterprise Linux 7.7 KVM Guest Image

  • Red Hat Enterprise Linux 8.1 KVM Guest Image

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