Lost network connection with Ubuntu upgrade?

Did you upgrade your Ubuntu installation to 16.10 or 17.04 recently?

Did you have an Ethernet connection to the outside world?

Are you now not connected?

If you can answer yes to all these questions, this blog post may be for you. I have found this will fix it. This may not be the best solution however:

sudo rename /usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf /usr/lib/NetworkManager/conf.d/_10-globally-managed-devices.conf_backup
sudo service network-manager restart

If you’re not bothered about keeping a copy of the file, just ‘rm’ it.

Try this command if the above does not fix it:

sudo dpkg-reconfigure resolvconf



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