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How do I change the default session for LightDM when using auto-logins?

When I auto-login it gives me unity 3D. How do I change the default to the 2D counterpart?

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closed as exact duplicate by fossfreedom, Jorge Castro, Marco Ceppi Oct 16 '11 at 15:25

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2 Answers

up vote 4 down vote accepted

in the file /etc/lightdm/lightdm.conf you have to change

user-session=ubuntu

to

user-session=ubuntu-2d

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At the login screen click the cog next to the password entry box and select Unity 2D, you will then have a Unity 2D desktop environment.

Once selected it will become your default session each time you login until you change it.

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I tried this but it didn't work. – Michael Oct 16 '11 at 13:27
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