$ ls -l /etc/resolv.conf
lrwxrwxrwx 1 root root 29 Aug 4 2016 /etc/resolv.conf ->
../run/resolvconf/resolv.conf
$ cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "systemd-resolve --status" to see details about the actual nameservers.
nameserver 8.8.8.8
nameserver 127.0.0.53
search home
options edns0
$ systemd-resolve --status
Global
DNS Servers: 8.8.8.8
DNSSEC NTA: 10.in-addr.arpa
16.172.in-addr.arpa
168.192.in-addr.arpa
17.172.in-addr.arpa
18.172.in-addr.arpa
19.172.in-addr.arpa
20.172.in-addr.arpa
21.172.in-addr.arpa
22.172.in-addr.arpa
23.172.in-addr.arpa
24.172.in-addr.arpa
25.172.in-addr.arpa
26.172.in-addr.arpa
27.172.in-addr.arpa
28.172.in-addr.arpa
29.172.in-addr.arpa
30.172.in-addr.arpa
31.172.in-addr.arpa
corp
d.f.ip6.arpa
home
internal
intranet
lan
local
private
test
Link 5 (virbr0-nic)
Current Scopes: none
LLMNR setting: yes
MulticastDNS setting: no
DNSSEC setting: no
DNSSEC supported: no
Link 4 (virbr0)
Current Scopes: none
LLMNR setting: yes
MulticastDNS setting: no
DNSSEC setting: no
DNSSEC supported: no
Link 3 (wlp2s0)
Current Scopes: none
LLMNR setting: yes
MulticastDNS setting: no
DNSSEC setting: no
DNSSEC supported: no
Link 2 (eno1)
Current Scopes: DNS
LLMNR setting: yes
MulticastDNS setting: no
DNSSEC setting: no
DNSSEC supported: no
DNS Servers: 195.34.133.21
212.186.211.21
DNS Domain: home
$ grep . /run/resolvconf/interface/*
nameserver 127.0.0.53
options edns0
search home
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to resolvconf in Ubuntu.
https://bugs.launchpad.net/bugs/1816530
Title:
DNS servers are not being set in the system correctly when you upgrade
from 16.04 to 18.04
Status in resolvconf package in Ubuntu:
New
Bug description:
I upgraded my 16.04 to 18.04 before the official release. After the
upgrade I noticed that I don't have internet access. The wired network
and the wifi settings looked good, but the internet didn't work. After
the login the system always switched itself into airplane mode. I
tethered the network via USB and Bluetooth by my mobile but they also
didn't work.
I found a useful answer from @andrew-woodhead666:
https://answers.launchpad.net/ubuntu/+question/665374
it seems this bug is still not fixed for the upgraded dists in the main
release and affects a few dozens of ubuntu users.
https://askubuntu.com/questions/1021884/no-internet-after-upgrade-from-16-04-to-18-04
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/resolvconf/+bug/1816530/+subscriptions
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