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I'm using Lucid, and I have this in (System/Administration/Update Manager):


... that is, apparently I have turned off automatic updates.

However, occasionally, when I listen to music, I can hear it interrupt and I can see intense hard disk activity; usually when it stops, I get a new icon in the toolbar, with an exclamation mark:

enter image description here

If I right-click this icon, and click Preferences, I'm taken again to Update Manager, just on the first tab.


Thus, even if I have disabled automatic updates, automatic updates still run?

How do I get automatic updates to be disabled completely??

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Have you tried to use the Check button in Update manager to actually check if you have the latest versions of your programs? – Alvar Feb 7 '13 at 13:52

I usually edit the /etc/apt/apt.conf.d/10periodic file to do this.

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