How to make persistent changes to the /etc/resolv.conf?

Solution Verified - Updated -


  • DNS servers in /etc/resolv.conf change after a reboot or network service restart
  • resolv.conf gets overwritten
  • Why do entries in /etc/resolv.conf get cleared after a system reboot?
  • How to make permanent changes to the /etc/resolv.conf?
  • Reboot removes or changes entries in /etc/resolv.conf


  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • initscripts
  • NetworkManager
  • DNS

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