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Ubuntu's new policy dictates that updates to already installed applications don't require password when doing it from Update Manager (Synaptic and apt-get still require password). Also, I would like to prevent the Update Manager to pop-up, it should only run when I invoke it. Thanks.

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You can get the update manager to ask you for updates by going to Software Sources. Under the Updates tab, change the Automatically Check for Updates value to "Never". – Kris Harper Nov 1 '11 at 16:05
@KrisHarper I am running 12.04. Where do I have to make change? "Software Sources", where are they? – kamyogi Dec 13 '13 at 11:36
@kamyogi I can't check right now, but Software Sources should either be available in the Dash, or in one of the menus in the Software Center. – Kris Harper Dec 13 '13 at 13:53
up vote 3 down vote accepted

To remove the 'update packages without admin auth'

gksudo gedit /var/lib/polkit-1/localauthority/10-vendor.d/com.ubuntu.desktop.pkla

The section in question is this

[Update already installed software]

Probably the easiest & maybe best solution is to just remove the whole section.

If desired you could leave & try setting the ResultActive=yes to this


If I wanted this I'd just remove the section, then the action should fallback to the default in /usr/share/polkit-1/actions/org.debian.apt.policy which is to require auth per use.

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