[Bug 1317518] Re: UI Permission Problems After Upgrade from 12.04 to 14.04

[Scott Talbert]

As you will probably not be surprised to know, I couldn't reproduce this
on a clean install of 12.04.1 upgrading to 14.04.  Must have been some
non-standard package that I added or removed over the years when running
12.04.  If I can ever figure out what caused this, I'll report back.
Thanks.

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https://bugs.launchpad.net/bugs/1317518

Title:
  UI Permission Problems After Upgrade from 12.04 to 14.04

Status in “pam” package in Ubuntu:
  Invalid

Bug description:
  I upgraded a machine from Ubuntu 12.04 to 14.04 using "update-manager
  -d".  After upgrading, rebooting, and logging back in, I had various
  user permission problems: I could not change anything in Network
  Manager, update-manager told me "Not authorized to perform operation"
  when I launched it, sound did not work, Synaptic would not launch from
  Dash, etc.  Looking for existing bug reports, I found bug 1240336
  which suggested to me that this might be a PAM-related problem.  I
  then compared the contents of /etc/pam.d to a machine that was freshly
  installed with 14.04.  Running "pam-auth-update --force" eliminated
  most of the differences.  Additionally, I removed the libpam-ck-
  connector package (which seems to not be needed?).  After this, this
  /etc/pam.d matched the freshly installed system.  After logging out
  and back in, the problems were resolved.

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