Public bug reported:

Hi,

I'm just testing oneiric alpha-3. It comes with guest accounts.

a) You shouldn't install guest accounts without ascing the installing
person whether to do so. Automatically installing guest accounts can
leave a system in an insecure state.

b) The guest account uses a tmpfs, which wastes RAM (and swap). It would
be much better to use aufs and to have two homedirectores, one as the
underlying pattern (to allow root to put files into the guest home
directory permanently) and one that is emptied at every login and logout
as the writeable cover. That would be much better.

regards

** Affects: ubuntu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/822467

Title:
  oneiric guest account uses tmpfs

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