Public bug reported:
I never experienced problems with corporate servers on 14.04 and 16.04,
but with 18.04 I have to restart systemd-resolved a few times per day.
What I see: Internet addresses are resolved, but corporate ones aren't.
What I do to fix: sudo service systemd-resolved restart. After that corporate
servers are resolved.
It looks like some issue with DNS cache.
$ lsb_release -rd
Description: Ubuntu 18.04.1 LTS
Release: 18.04
$ apt-cache policy systemd
systemd:
Installed: 237-3ubuntu10.3
Candidate: 237-3ubuntu10.3
Version table:
*** 237-3ubuntu10.3 500
500 http://ru.archive.ubuntu.com/ubuntu bionic-updates/main amd64
Packages
100 /var/lib/dpkg/status
237-3ubuntu10 500
500 http://ru.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Package changed: plymouth (Ubuntu) => systemd (Ubuntu)
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https://bugs.launchpad.net/bugs/1792118
Title:
systemd-resolved periodically fails to resolve names from corporate
network
Status in systemd package in Ubuntu:
New
Bug description:
I never experienced problems with corporate servers on 14.04 and
16.04, but with 18.04 I have to restart systemd-resolved a few times
per day.
What I see: Internet addresses are resolved, but corporate ones aren't.
What I do to fix: sudo service systemd-resolved restart. After that corporate
servers are resolved.
It looks like some issue with DNS cache.
$ lsb_release -rd
Description: Ubuntu 18.04.1 LTS
Release: 18.04
$ apt-cache policy systemd
systemd:
Installed: 237-3ubuntu10.3
Candidate: 237-3ubuntu10.3
Version table:
*** 237-3ubuntu10.3 500
500 http://ru.archive.ubuntu.com/ubuntu bionic-updates/main amd64
Packages
100 /var/lib/dpkg/status
237-3ubuntu10 500
500 http://ru.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1792118/+subscriptions
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