Public bug reported:
I'm trying to script a change to the automatic updating of servers, and
tried the following:
echo "debconf unattended-upgrades/enable_auto_updates boolean false" |
debconf-set-selections -
dpkg-reconfigure -fnoninteractive unattended-upgrades
The result, however, is a warning message:
update-rc.d: warning: start and stop actions are no longer supported;
falling back to defaults
At this point, the change I tried to make seems to be lost. To show this
in an expanded sequence:
root@brennan:/home/ubuntu# debconf-show unattended-upgrades
* unattended-upgrades/origins_pattern:
"origin=Debian,codename=${distro_codename},label=Debian-Security";
* unattended-upgrades/enable_auto_updates: true
root@brennan:/home/ubuntu# echo "debconf
unattended-upgrades/enable_auto_updates boolean false" | debconf-set-selections
-
root@brennan:/home/ubuntu# debconf-show unattended-upgrades
* unattended-upgrades/origins_pattern:
"origin=Debian,codename=${distro_codename},label=Debian-Security";
* unattended-upgrades/enable_auto_updates: false
root@brennan:/home/ubuntu# dpkg-reconfigure -fnoninteractive unattended-upgrades
update-rc.d: warning: start and stop actions are no longer supported; falling
back to defaults
root@brennan:/home/ubuntu# debconf-show unattended-upgrades
* unattended-upgrades/enable_auto_updates: true
* unattended-upgrades/origins_pattern:
"origin=Debian,codename=${distro_codename},label=Debian-Security";
If I omit the "-fnoninteractive" option to dpkg-reconfigure, I still get
the warning message, but the change IS accepted and takes effect. Of
course, this isn't useful in a script that should be run non-
interactively. I've tried the equivalent commands to reconfigure other
packages, and they work without error message, so I believe the problem
is with unattended-upgrades, not with debconf/dpkg-reconfigure.
This problem affects Ubuntu 16.04.1 (and probably 16.04 GA, but I've not
tested it). It works as expected with Ubuntu 14.04. (That version, of
course, defeaults to "false" for the unattended-
upgrades/enable_auto_updates value. I've tested both with the default
"false" value and after changing it to "true," with successful runs both
times.)
Version information, as requested:
$ lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04
$ apt-cache policy unattended-upgrades
unattended-upgrades:
Installed: 0.90
Candidate: 0.90
Version table:
*** 0.90 500
500 http://192.168.1.2//ubuntu xenial/main amd64 Packages
500 http://192.168.1.2//ubuntu xenial/main i386 Packages
100 /var/lib/dpkg/status
$ apt-cache policy debconf
debconf:
Installed: 1.5.58ubuntu1
Candidate: 1.5.58ubuntu1
Version table:
*** 1.5.58ubuntu1 500
500 http://192.168.1.2//ubuntu xenial/main amd64 Packages
500 http://192.168.1.2//ubuntu xenial/main i386 Packages
100 /var/lib/dpkg/status
** Affects: unattended-upgrades (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1606600
Title:
"dpkg-reconfigure unattended-upgrades" results in error message, no
change to configuration in Ubuntu 16.04
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