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Redhat 8 Network Manager

March 10, 2022

In Redhat 8, every time you the Network Manager get’s restarted it overwrites /etc/resolv.conf. To prevent that from hapenning, create a new file called /etc/NetworkManager/conf.d/90-dns-none.conf and add the following lines. Restart Network Manager. Your /etc/resolv.conf should be unchanged.

[main]
dns=none

[main] dns=none

Restart Network Manager

$ systemctl reload NetworkManager

$ systemctl reload NetworkManager

Filed Under: Linux Tagged With: network manager, overwrite, prevent, redhat 8, resolv.conf

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