Ubuntu: Change login screen to gnome-shell login



Question:

I was just goofing around in a vm to test what would happen if I purgen unity:

sudo apt-get remove --purge unity*  

I found that I get an startup error, but when I proceed, I got this awesome login screen: all sexy It has an sexy effect and is just the gnome style my whole pc has got.

So can any one please tell me how I change the default login screen program without having to bother clicking "fix this error" on every boot?

Thanks in advance.

[EDIT]:

I have been able to change it(my own answer), but now I see the old purple background for a second when I logged in, and that background is only used in the old greeter screen. How do I change it(or where are those backgrounds located)?


Solution:1

sudo dpkg-reconfigure lightdm  

I selected gdm, and now I have the login screen I desire.(This replaces lightdm with gdm)

Thanks for the other suggestions, I found that this was the only one to work, since gnome has it's own desktop manager(gdm).


Solution:2

Boot in recovery mode, select root shell and issue: dpkg-reconfigure -phigh xserver-xorg. The error is related to misconfigured xorg. Have you installed the virtualbox extension pack? If not, do it!


Solution:3

If you are using lightdm as display manager, you can change the greeter in /etc/lightdm/lightdm.conf.

For example to use lightdm-gtk-greeter (=xfce greater):

#greeter-session=unity-greeter  greeter-session=lightdm-gtk-greeter    # Other options:    # to change unity to xfce session on default:  #user-session=ubuntu  user-session=xfce  # or to xubuntu:  #user-session=xubuntu    # hide users  greeter-hide-users=true    # disable guest login  allow-guest=false  

As you can see there are more customization options to hide users or to select the default session for example. I don't know the name of the login screen on your picture so I used the one I use on my machine but I guess you can find it out on your virtual machine and use it on your main if that is what you want to do.


Note:If u also have question or solution just comment us below or mail us on toontricks1994@gmail.com
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