Public bug reported:
This bug has been present since I have updated to Ubuntu 17.10 and it is
still present in Ubuntu 18.04. It seems pretty simple to understand and
a solution should be straightforward, but I lack understanding for what
application is failing to update the right configuration file.
When I go to work and I start my laptop, my
/run/resolvconf/interface/systemd-resolved is filled with this:
nameserver 127.0.0.53
search broadinstitute.org plc.hootoo.com
When I come back home, DNS resolution does not work or works very
slowly, most likely because my work DNS server broadinstitute.org is not
reachable anymore, or maybe it is reachable but it is excruciatingly
slow at responding.
The solution is for me to edit /run/resolvconf/interface/systemd-resolved and
remove the work DNS server:
nameserver 127.0.0.53
search plc.hootoo.com
And then update /etc/resolv.conf with the following command:
$ sudo /etc/init.d/resolvconf restart
Alternatively, another solution is to reboot the laptop. Then everything
works fine. This is clearly a bug, but I am not sure whether it is a
NetworkManager's bug, a resolvconf's bug, or a systemd bug. Please help!
:-)
** Affects: resolvconf (Ubuntu)
Importance: Undecided
Status: New
** Package changed: systemd (Ubuntu) => resolvconf (Ubuntu)
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https://bugs.launchpad.net/bugs/1787374
Title:
resolvconf fails to update DNS server after resuming laptop from
suspend
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