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I’m using Ubuntu 17.04 on my laptop. I’m not sure how the issue started since it is by no means a fresh install. I’m unable to resolve any DNS hostnames via browser or telnet. I’ve confirmed this on the laptop in question over multiple WiFi networks. I also confirmed that other devices on the same network are not experiencing this issue. I can ping any external IP address (e.g. 8.8.8.8) just fine. I can also visit websites by typing the IP address into the browser.

Things I have tried:

  • I tried running sudo dpkg-reconfigure resolvconf to no effect.

  • I’ve also tried going into the network settings for the WiFi network and changing the Method to “Automatic (DHCP) addresses only”, then manually adding DNS server addresses.

  • I also tried adding a supersede domain-name-servers line in my etc/dhcp/dhclient.conf file which did not resolve the issue either.

  • I even manually edited my /etc/resolv.conf to replace my nameserver with 8.8.8.8.

  • Adding dns-nameservers to /etc/network/interfaces file has not helped either.

After each of these experiments failed to enable DNS lookups I restored the original config. I’m not able to install external packages right now such as dnsmasq. Can anyone point me in the right direction? I really am not sure how I got in this mess, but it’s persistent after rebooting as well. I’m not behind a VPN.

mttpgn
  • 111

1 Answers1

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I resolved this by reinstalling my entire operating system. I switched to the LTS line in case the issue was partially caused by some system update.

mttpgn
  • 111