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Thread: GDM and Unity

  1. #1
    Join Date
    Oct 2011
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    Somewhere
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    34
    Distro
    Ubuntu 12.04 Precise Pangolin

    GDM and Unity

    Hey there so a while ago I decided to change to gnome and ditch unity but now I've gotten rid of gnome and gone back to unity, I can't seem to switch from gdm to lightdm. it wouldn't boot to the login screen and I had to press ctrl-alt-f1 to get into the command line to change the default dm back to gdm so that I can login to the desktop.
    So my question is, Is it ok to use gdm with unity or should I find another way to switch to lightdm? Currently I'm having no trouble with it though it does look a bit ugly.
    Last edited by OmgItsPixelated; May 13th, 2013 at 05:30 AM.

  2. #2
    Join Date
    Jun 2010
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    London, England
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    6,976
    Distro
    Ubuntu Development Release

    Re: GDM and Unity

    They both manage the login. If it works, then it works. But there is a way to switch over that must be followed. Do you have Lighdm installed? Or did you remove it? We need to stop one display manager and then start the other display manager but both have to be installed, that is on the system if not in use. This may still work.

    Code:
    sudo service gdm stop
    Code:
    sudo service lightdm start
    Regards.
    It is a machine. It is more stupid than we are. It will not stop us from doing stupid things.
    Ubuntu user #33,200. Linux user #530,530


  3. #3
    Join Date
    Apr 2005
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    Finland/UK
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    Ubuntu 14.04 Trusty Tahr

    Re: GDM and Unity

    How did you try to change to lightdm? This command should do the job:
    Code:
    sudo update-alternatives --config x-session-manager

  4. #4
    Join Date
    Apr 2007
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    NH USA
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    Ubuntu Development Release

    Re: GDM and Unity

    Another thing to try is

    Code:
    sudo dpkg-reconfigure gdm
    and you will get a dialog asking which one you want to be the operational DM.

  5. #5
    Join Date
    Oct 2011
    Location
    Somewhere
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    34
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: GDM and Unity

    Quote Originally Posted by sgage View Post
    Another thing to try is

    Code:
    sudo dpkg-reconfigure gdm
    and you will get a dialog asking which one you want to be the operational DM.
    This was command I used to switch from gdm to lightdm but it didn't work.
    Now that I'm sure that gdm won't cause any conflicts with unity I won't have any need to change back to lightdm. thanks for the answers guys.

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