Having a guest account might be useful on a home computer, but it’s generally not what I want enabled on a notebook.

To disable the default Guest account you need to edit lightdm.conf and add a line (allow-guest=false).

sudo vim /etc/lightdm/lightdm.conf


Tested in Ubuntu 12.04 LTS Precise Pangolin & Ubuntu 11.10 Oneiric Ocelot

Leo Gaggl

ict business owner specialising in mobile learning systems. interests: sustainability, internet of things, ict for development, open innovation, agriculture

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