[Bug 1699660] Re: systemd-resolve breaks resolution of local network hostnames

[Martin Pecka]

I successfully work around this issue by the steps described at
https://askubuntu.com/a/907249/153828 :

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

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https://bugs.launchpad.net/bugs/1699660

Title:
  systemd-resolve breaks resolution of local network hostnames

Status in systemd package in Ubuntu:
  Confirmed

Bug description:
  After upgrading to Ubuntu 17.04 (zesty), resolution of my local
  network's host names is completely broken.  Apparently the upgrade
  replaced my existing resolver with systemd-resolve, which deliberately
  refuses to pass "single-label" domain names to my domain name server.
  That is the server where all my network's host names are kept, so I
  can no longer resolve any of them.

  Apparently, this is yet another example of Poettering's upstream decisions causing denial of service to people who have been saddled with his malware.
  https://github.com/systemd/systemd/issues/2514#issuecomment-179203186

  Would someone sensible please put a stop to this forced breakage
  during upgrade, and advise on how to fix it now that the damage has
  been done?

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