Very nice! I'm sorry you hit this problem, and your analysis and
solution look good. I will work on integrating it.
** Changed in: systemd (Ubuntu)
Status: New => Confirmed
** Changed in: systemd (Ubuntu)
Assignee: (unassigned) => Dimitri John Ledkov (xnox)
** Changed in: systemd (Ubuntu)
Status: Confirmed => Triaged
** Changed in: systemd (Ubuntu)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1770557
Title:
systemd-resolved should be restarted only on actual DHCP/DNS updates
Status in systemd package in Ubuntu:
Triaged
Bug description:
My ISP gives me a DHCP IP with lease time about 2 minutes
in the script /etc/dhcp/dhclient-enter-hooks.d/resolved , a function
make_resolv_conf is defined which creates config fragments in resolved.conf.d/
, then unconditionally restarts systemd-resolved service
so, about every 2 minutes, this service is restarted on my system, despite
the fact that DNS configuration is not changed.
I would propose an update to the script, which first creates config fragments
in temporary files, and then it restarts the service only when config is
changed (or created/removed).
now going to attach my patch below
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