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Thread: how to force log in and desktop switch upon reboot

  1. #1
    Join Date
    Jul 2012
    Location
    Elmira, NY
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    162
    Distro
    Ubuntu 14.04 Trusty Tahr

    how to force log in and desktop switch upon reboot

    I have a laptop with ubuntu 12.04 on it, with numerous desktops. The main one i use on it is gnome 3, which works fine. The computer was slow lately so i tried uses a lighter desktop. So i switched over to xfce to see how it would run in there. But when the desktop loaded xfce, xfcxe freezes. However when using Cntrl + Alt + F2 and logging in to reboot. However on reboot it now auto logs into the desktop xfce which is apparently messed up. The GUI isnt working at all. The only thing i can access is Cntrl + Alt + F2 on the computer.

    I cant figure out how to force the computer to stop auto log in and auto log into xfce. I want to switch it back to gnome 3 desktop.

    How can i do this via command?

    EDIT:
    I also seem to not be able to log in as root
    Last edited by micahpage; August 27th, 2013 at 07:32 PM.
    Ubuntu 13.04, x86_64, 3.8.0-19-generic, gnome3 desktop, multi-boot
    Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz, 8GB RAM, dual monitors, AMD Radeon HD 6770
    Python 3.2.3 and 2.7.3, tkinter 8.5, pyqt 4.8.1, pygame 1.9.2 pre
    https://github.com/metulburr

  2. #2
    Join Date
    Jul 2012
    Location
    Elmira, NY
    Beans
    162
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: how to force log in and desktop switch upon reboot

    i resolved the problem by installing a new desktop to the laptop
    kde-workspace
    which it set that as default, and allowed me to login, allowing me to change it back to gnome 3/ gnome-session
    But now i get the KDE log in screen each time logging in. Not a biggie,

    But how would i resolve this via terminal without installing a new desktop?
    Ubuntu 13.04, x86_64, 3.8.0-19-generic, gnome3 desktop, multi-boot
    Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz, 8GB RAM, dual monitors, AMD Radeon HD 6770
    Python 3.2.3 and 2.7.3, tkinter 8.5, pyqt 4.8.1, pygame 1.9.2 pre
    https://github.com/metulburr

  3. #3
    Join Date
    Jul 2013
    Beans
    190

    Re: how to force log in and desktop switch upon reboot

    Normaly ubuntu use the lightdm display manager (unity greeter). It's config file is in /etc/lightdm/lightdm.conf.
    One option is

    user-session=ubuntu

    which starts ubuntu on login. I use kubuntu and

    user-session=kde

    starts this mode. Hope it brings you further.

    https://wiki.ubuntu.com/LightDM
    Last edited by GwL3eNC; August 27th, 2013 at 07:57 PM.

  4. #4
    Join Date
    Jul 2012
    Location
    Elmira, NY
    Beans
    162
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: how to force log in and desktop switch upon reboot

    ah yeah ok.
    I see an auto login in value in there

    thank you
    Ubuntu 13.04, x86_64, 3.8.0-19-generic, gnome3 desktop, multi-boot
    Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz, 8GB RAM, dual monitors, AMD Radeon HD 6770
    Python 3.2.3 and 2.7.3, tkinter 8.5, pyqt 4.8.1, pygame 1.9.2 pre
    https://github.com/metulburr

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