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I am using Ubuntu 12.04.3 LTS and I am currently trying to get unattended-upgrades to work. So far I followed this documentation: 12.04-serverguide-automatic-updates

  1. I installed the package: apt-get install unattended-upgrades
  2. I edited /etc/apt/apt.conf.d/50unattended-upgrade
  3. After that I tried to edit /etc/apt/apt.conf.d/10periodic, but that file was missing.

    • Does one have to create it manually?

Finally, I wondered how starts triggering unattended-upgrades and in which intervals? The file /etc/cron.daily/apt is missing on my system as well.

  • Should it be there?

Seems to be a common problem: unattended-upgrades not running, /etc/cron.daily/apt missing

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2 Answers 2

I finally found a way to get around this issue.
Maybe this solution will help others as well.

Regarding the missing file /etc/cron.daily/apt:
The file is part of the apt package.
Thus, I downloaded the package via apt-get download apt, extracted it and manually copied the file named apt to the said location.

I do not know why this file has not been copied during a "normal" apt-get install apt; I even tried an apt-get install --reinstall apt without success. If anyone knows what might be causing this... let us know...

Regarding the second missing file /etc/apt/apt.conf.d/10periodic:
This one I created manually (which seems to be "works as designed") and edited it according to the documentation part of the /etc/cron.daily/apt file.

Hope this helps!

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I have a file called 10periodic, which I haven't created myself; it is identical to the on in the linked question. I also have a file /etc/cron.daily/apt which is much longer, but looks much the same as the one in the link. Either copy that one over to your installation, or try installing cron-apt.

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I have tried installing cron-apt. The installation runs through, but I am still missing the files mentioned. Any idea why they are missing? When googling around it turns out that there are some other users with the same issue - many of their posts are even from 2013, but there are no real good answers. Hasn't this been reported as issue to the package maintainers? I am new to Ubuntu and such issues don't let me feel very confident... –  AnNaSF Apr 12 at 17:07

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