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I think I'm never notified of updates (with a systray icon) unless I manually do apt-get update. Is that normal? How can I make it check automatically?

In software-properties-kde I have "Check for updates: Daily"; "Install security updates without confirmation". So maybe it has been installing security updates all along, ones that don't require a restart, and I haven't know about it. But the several times (over a few months) that I've manually "refreshed", the "Install security updates without confirmation" thing didn't apply, probably because it applies only when the auto-updater finds updates. So, considering my settings, am I safe (i.e. can I trust that my settings will install security updates automatically)?

Related question: "How can I check if automatic updates are enabled?" (but that question is about automatic update installing while I just want automatic update checking.

Stefan Monov
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  • What are the setting in the lower part of of System Settings > Software & Updates (a. k. a. software-properties-gtk) > Updates? – David Foerster May 24 '17 at 12:45
  • It's hard to tell without further info. You'd have to wait for a security update to be published and then until the next day (give the system enough time to actually trigger a package upgrade; daily Anacron tasks are executed with some delay after boot/resume) and check whether it was installed or considered for installation. The output of apt-cache show <PACKAGE> | grep ^Priority: will reveal security updates and /var/log/apt/history.log shows past Apt operations. – David Foerster May 24 '17 at 14:25
  • Alternatively you can run the relevant Anacron task in /etc/cron.daily manually when you know there's a security update available and thus investigate the matter. – David Foerster May 24 '17 at 14:27
  • Or you can even revert a package to an earlier version that was superseded by a security update and then run relevant Anacron tasks. – David Foerster May 24 '17 at 14:31

1 Answers1

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According to Kubuntu 16.04 release notes there is an option of two download managers:

  • Our new software center: Plasma Discover brim-full of software to choose from.

  • Keen developer types and friends of Muon Package Manager will be delighted to know that the project has got a new team of maintainers, and a new release just in time for this Kubuntu LTS.

You should try to configure the download manager to update daily

Yaron
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  • @StefanMonov - sorry, My original answer was for Ubuntu, I've updated my answer for Kubuntu. – Yaron May 24 '17 at 14:30