Your message dated Sat, 20 Jun 2026 07:24:29 +0200
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has caused the Debian Bug report #1138686,
regarding mosquitto: systemd service does not restart on upgrade / systemd
triggers missing in postinst
to be marked as done.
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1138686: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1138686
Debian Bug Tracking System
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--- Begin Message ---
Package: mosquitto
Version: 2.0.21-1
Severity: normal
Dear Maintainer,
after a package upgrade, the mosquitto systemd service is not restarted
automatically.
Looking at the debian/rules this does not seem like specifically intented
behavior.
I suspect this is because the service file is not in the debian directory and
dh_installsystemd does not place default triggers.
After tinkering a bit by copying the service to debian/ and setting an override
for dh_installsystemd, the systemd postinst triggers
get inserted as expected. So I'm guessing that's the reason.
Just fyi this report is sent from a container so the kernel version does not
match Deb13.
I noticed this problem when I upgraded from mosquitto 2.0 to 2.1 while testing
configs.
Thank you for your time and effort
-- System Information:
Debian Release: 13.5
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 7.0.10 (SMP w/24 CPU threads; PREEMPT)
Kernel taint flags: TAINT_OOT_MODULE
Locale: LANG=C, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: unable to detect
Versions of packages mosquitto depends on:
ii adduser 3.152
ii init-system-helpers 1.69~deb13u1
ii libc6 2.41-12+deb13u3
ii libcjson1 1.7.18-3.1+deb13u1
ii libdlt2 2.18.10-10+b1
ii libmosquitto1 2.0.21-1
ii libssl3t64 3.5.6-1~deb13u1
ii libsystemd0 257.13-1~deb13u1
ii libwebsockets19t64 4.3.5-1+deb13u1
ii libwrap0 7.6.q-36
ii sysvinit-utils 3.14-4
mosquitto recommends no packages.
Versions of packages mosquitto suggests:
pn apparmor <none>
-- no debconf information
--- End Message ---
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