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How to disable systemd-resolved in Ubuntu

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README.md

How to disable systemd-resolved in Ubuntu

Stages

Disable and stop the systemd-resolved service:

  sudo systemctl disable systemd-resolved.service
  sudo systemctl stop systemd-resolved

Then put the following line in the [main] section of your /etc/NetworkManager/NetworkManager.conf:
```
  dns=default
```
Delete the symlink /etc/resolv.conf
```
  rm /etc/resolv.conf
```

Restart network-manager

  sudo service network-manager restart
  or
  sudo systemctl restart NetworkManager.service

Sources

https://askubuntu.com/questions/907246/how-to-disable-systemd-resolved-in-ubuntu

jbbandos commented May 13, 2024

I was going crazy with this on the steam deck. NetworkManager kept creating a resolv.conf always pointing to 127.0.0.53.
Until I found that SteamOS (arch in disguise) had created a /etc/NetworkManager/conf.d/dns with a
[main]
dns=systemd-resolved
And that was being used instead of my conf file with dns=default...