Ubuntu – Revert from Gnome 3 to Unity

gnomeunity

Ok, so Ubuntu 14.04 came with Gnome 3 in it's repo and I tried to give it a go, and I didn't like it at all.
So I wanted to continue to use Unity desktop, but it kept freezing and I couldn't change background. Right click also isn't working on desktop.

Is there a way to delete all of Gnome 3 and reinstall Unity like it would be after fresh install?

Best Answer

Open Terminal or CTRL+ALT+T

To install Unity sudo apt-get install ubuntu-desktop unity

To Remove Gnome sudo apt-get remove gnome-shell ubuntu-gnome-desktop

and reboot the system sudo reboot

If followed above 3 commands, you should be greeted with Unity session after reboot. In case it still doesn't comes up, open terminal and execute unity --replace

PS: by chance anything from gnome is left, follow https://askubuntu.com/a/244658/86467

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Ubuntu – Unity problems after installing GNOME desktop (ubuntu-gnome-desktop)

Fixes for my ubuntu-gnome-desktop post-installation problems...

Desktop problems: Use the Gnome Tweak Tool, and set "Icons on Desktop" to ON
Font problem: Use the Unity Tweak Tool, and set the fonts back to Ubuntu default fonts
Touchpad problems: Fix taken from How to invert touchpad scrolling on Ubuntu 16.04

If you use libinput, then add a config file to /etc/X11/xorg.conf.d/ such as 20-touchpad.conf with this content:

Section "InputClass"
    Identifier "libinput touchpad catchall"
        MatchIsTouchpad "on"
        MatchDevicePath "/dev/input/event*"
        Driver "libinput"
        Option "NaturalScrolling" "off"
        Option "MiddleEmulation" "on"
        Option "Tapping" "on"
        Option "DisableWhileTyping" "on"
        Option "PalmDetection" "True"
EndSection

Login screen problem: User desktop must be set to display a desktop picture, not a solid color
Default DE problem:

In terminal...

gksudo gedit /etc/lightdm/lightdm.conf

add in this text snippet under [SeatDefaults]...

[SeatDefaults]
user-session=ubuntu

don't duplicate [SeatDefaults] if it's already there.

Boot/shutdown screens problem: Partially taken from How do I revert the Plymouth theme back to default after purging Kubuntu?

In terminal...

ls -al /etc/alternatives/*plymouth*
sudo update-alternatives --config default.plymouth
sudo update-alternatives --config text.plymouth

Best Answer

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Ubuntu – Unity problems after installing GNOME desktop (ubuntu-gnome-desktop)

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