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I upgraded from 14.04 to 14.10. The process was not exactly smooth. I had space errors on /boot so some of the updates failed. I was finally able to get everything update.

Now though nothing in Unity prompts for privilege escalation. Mounting files, editing users, creating folders, etc. I'll get get access denied, and no password prompt. I spent quite a bit of time googling this and only thing that seemed to make sense is maybe an issue with polkit. So I did the answer from this question:

sudo apt-get install --reinstall policykit-1 policykit-1-gnome

This did not fix the problem.

Community
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EHM
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1 Answers1

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I had exactly the same problem after the same upgrade. Re-installation of policykit neither worked for me. I was able to solve mine after checked the logs under /var/log/lightdm with:

sudo apt-get install --reinstall gnome-session

The root privilege prompt appeared again after reboot. Please be prepared some other packages might be broken with that, e.g. virt-manager. Fortunately, reinstalling the broken packages worked this time.

rodney
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