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DNS queries fail, while IP addresses work, after upgrade from Ubuntu 16.10 to 17.04 in VirtualBox. Applied updates to 16.10 before upgrading to 17.04.

i.e. sudo apt update && sudo apt full-upgrade except I did the update and upgrade via gui.

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  • Can you post the exact command and address you are using to try these DNS queries? Apr 17, 2017 at 11:08
  • Possible duplicate of DNS resolution fails after wakeup from standby (Ubuntu 16.10)
    – se0D2
    Apr 17, 2017 at 11:10
  • ping 156.151.59.35 works, while ping www.sun.com fails on the upgraded 17.04, but works everywhere else. I restarted the 17.04 system several times but this did not help.
    – Elaisa
    Apr 17, 2017 at 11:13
  • ping www.sun.com fails
    – Elaisa
    Apr 17, 2017 at 11:13
  • Post cat /etc/resolv.conf from host and VM (presuming VM is also *nix)
    – Mark
    Apr 17, 2017 at 11:17

1 Answer 1

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I had the same problem after upgrading. Though I didn't investigate the issue too much thus have no deep undestanding of the root cause, in my env it was fixed by editing system config file /etc/NetworkManager/NetworkManager.conf and adding the following entry to the global section: dns=dnsmasq .

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