I have installed gnome-session-flashback
and I love my new Gnome desktop, and I am sure that I do not want to go back to Unity, and as unity stuff takes up a lot of space on my machine, is there a safe way of fully removing it? So that perhaps there isn't even an option at login to go back to it?
Do I just run?:
sudo apt-get purge unity*
Or is there something else that I need to do? I also understand that as @Seth said, it is very well baked into the system. So it may be problematic to remove. Is there any danger of this? Are there any measures I can take to prevent anything going wrong? And what sort of impact could this have on my system if it went wrong?
OS Information:
Description: Ubuntu 15.04
Release: 15.04
Best Answer
With the
gnome-session-flashback
, there are parts of it that use parts ofUnity
. So, not every part ofUnity
should be removed.LightDM
is the Display Manger for Unity, whereGDM
is the Display Manager for theGNOME Desktop Environment
.To install
GDM
it is:Note: If you already have GDM installed, run the following command to bring up the following setup:
During the install, you should see some screens like below:
Press Enter for OK and on the next screen, select the Display Manager you want:
Press Enter to select the Display Manager.
After it is selected, reboot your system for changes to take effect:
After the host is rebooted, you should be in a
gnome-session
orgnome-shell
from the terminal window, you should be able to start removing parts of Unity. I do not recommend removing all of Unity as there are still applications that rely on parts of Unity to work. One example I can think of in applications that rely other parts of desktops isk3b
.k3b
is a very good disc burning application that relies on parts of theKDesktop Environment
, so parts ofKDE
would be installed fork3b
to work.It is safe to remove Unity itself:
it is also safe to remove LightDM:
it is also safe to remove the Ubuntu Desktop, which is the Unity Desktop itself.
If you are removing any of the above and you see an application that it wants to remove that you are unsure of, do not remove it until you find out more information about the application.