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, 6, 7, 8, 9
  • initscripts
  • NetworkManager
  • DNS

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