README_Install_DE_16.04.md

Ubuntu Desktop Install [ Reinstall | Recovery ]

• Reinstall:

    sudo apt-get update
    sudo apt-get install --reinstall ubuntu-desktop
    sudo apt-get install --reinstall unity
  

• Change the display manager (greeter):

    sudo dpkg-reconfigure lightdm 		
    sudo dpkg-reconfigure gdm3
    sudo dpkg-reconfigure sddm
  

• Restore Unity Greeter:

    sudo apt remove --purge lightdm-gtk-greeter
    sudo apt remove --purge gdm
    sudo apt remove --purge sddm
  

• Show the desktop icons and the background image, and eatable the right click on the desktop after XFCE (etc.) installation (without sudo important):

    gsettings set org.gnome.desktop.background show-desktop-icons true
  

• References:

  • Restore Unity Greeter
  • How do I change the wallpaper of the login screen?
  • How do I set the LightDM wallpaper in Ubuntu 14.04?
  • How can I make LightDM the default display manager?
  • How to purge SDDM/Plasma completely
  • How do I reinstall Unity?
  • How to Choose & Switch Linux Display Managers
  • How Changing the Splash Screen Has Changed
  • Ubuntu Wiki: LightDM | How to change the LightDM theme/greeter?
  • Customize the Ubuntu 16.04 Login Screen

Desktop Environments installation

Gnome Shell | Ubuntu Gnome Desktop

• Install:

    sudo apt update
    sudo apt install ubuntu-gnome-desktop
  

• Only Gnome Shell:

    sudo apt install gnome-shell
  

• Uninstall:

    sudo apt remove --purge ubuntu-gnome-desktop
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • Install gnome-shell on ubuntu 16.04
  • Using GNOME in ubuntu 16.04 LTS
  • What kinds of desktop environments and shells are available? | GNOME Shell

XFCE4 | XUbuntu Desktop

• Install:

    sudo apt update
    sudo apt-get install xubuntu-desktop
    # sudo apt-get install xfce4
  

• Uninstall:

    sudo apt remove --purge xubuntu-desktop
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • How can I install XFCE along side Unity?
  • How to I change from Ubuntu to Xubuntu?
  • Desktop Icons Recovery 1 | Desktop Icons Recovery 2

LXDE | Lubuntu Desktop (Lubuntu Netbook)

• Install:

    sudo apt update
    sudo apt-get install lubuntu-desktop
  

• Alternatively install only LXDE:

    sudo apt update
    sudo apt-get install lxde
  

• Uninstall:

    sudo apt remove --purge lubuntu-desktop
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • How to Install the Lightweight LXDE Desktop on Ubuntu

LXQt

• Install:

    sudo apt update
    sudo apt install lxqt lxqt-session* openbox
  

  It is possible, when you log into LXQt, to be asked to set default session manager - choose open (/usr/bin/openbox). Recovery from wrong session manager: establish ssh -X connection, run lxqt-config-session and change the session manager.

• Uninstall:

    sudo apt remove --purge lxqt lxqt-session*
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • Ubuntu LXQt / Lubuntu | LXQt.org
  • How to Install Latest LXQt Desktop in Ubuntu 16.04/16.10 and Fedora 22-24
  • LXQt-Session at GitHub

Mate | Ubuntu Mate

• Install Mate from PPA:

    sudo add-apt-repository ppa:jonathonf/mate-1.18
    sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 8CF63AD3F06FC659
    sudo apt update && sudo apt full-upgrade
    sudo apt update && sudo apt install mate-core mate-desktop-environment
    sudo apt install --install-suggests mate-desktop
  

• Uninstall:

    sudo apt install ppa-purge 
    sudo ppa-purge ppa:jonathonf/mate-1.18
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• Alternatively Install Ubuntu Mate Desktop:

    sudo apt install ubuntu-mate-desktop
    sudo apt install ubuntu-mate-core ubuntu-mate-desktop
  

• References:

  • How to Install MATE Desktop 1.18 in Ubuntu 16.04
  • How to Install MATE Desktop 1.16 in Ubuntu 16.04
  • MATE Desktop 1.16 for Ubuntu MATE 16.04
  • How do I install MATE (the desktop environment)?

Cinnamon Desktop (Mint) | Cinnamon2d | Cinnamon (Software Rendering)

• Install:

    sudo add-apt-repository ppa:embrosyn/cinnamon
    sudo apt update && sudo apt upgrade
    sudo apt-get install cinnamon
  

• Uninstall:

    sudo apt install ppa-purge 
    sudo ppa-purge ppa:embrosyn/cinnamon
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • How to Install Latest Cinnamon Desktop in Ubuntu and Fedora

KDE Plasma | Kubuntu

• Install:

    sudo apt-get install kubuntu-desktop
    # Recovery
    sudo dpkg -i --force-overwrite  /var/cache/apt/archives/kde-config-telepathy-accounts_4%3a15.12.3-0ubuntu1_amd64.deb
    sudo apt-get install -f
  

• Uninstall:

    sudo apt remove --purge kubuntu-desktop
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • Help installing kubuntu-desktop on Ubuntu 16.04
  • Unable to install kubuntu-Desktop in ubuntu 16.04 Lts

Pantheon - doesn't work at all!

• References:

  • How do you install Pantheon on Ubuntu 16.04?
  • How To Install Pantheon Desktop In Ubuntu

The Lumina® Desktop Environment

• Install:

    sudo add-apt-repository ppa:samoilov-lex/lumina-desktop
    sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys FA1A38EB
    sudo apt update
    sudo apt install lumina-desktop qterminal
  

• Uninstall:

    sudo apt install ppa-purge 
    sudo ppa-purge ppa:samoilov-lex/lumina-desktop
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • What kinds of desktop environments and shells are available? | The Lumina® Desktop Environment

Fluxbox

• Install:

    sudo apt install fluxbox
  

• Uninstall:

    sudo apt remove --purge fluxbox
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

Xmonad

• Install:

    sudo apt-get install xmonad xmobar trayer
    sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys FA1A38EB
    sudo apt update && sudo apt upgrade
  

• Uninstall:

    sudo apt remove --purge xmonad xmobar trayer 
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • What kinds of desktop environments and shells are available? | Xmonad

Subtle

• Install:

    sudo apt install subtle
    sudo apt update && sudo apt upgrade
  

• Uninstall:

    sudo apt remove --purge subtle 
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • What kinds of desktop environments and shells are available? | Xmonad

Awesome

• Install:

    sudo apt install awesome
  

• Uninstall:

    sudo apt remove --purge awesome 
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • What kinds of desktop environments and shells are available? | Awesome

Enlightenment

• Install:

    sudo apt install e17
  

• Uninstall:

    sudo apt remove --purge e17
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • What kinds of desktop environments and shells are available? | Enlightenment
  • How do I install Enlightenment (E17)?

i3wm

• Install:

    sudo apt install i3
  

• Uninstall:

    sudo apt-get remove --auto-remove --purge i3-wm
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • What kinds of desktop environments and shells are available? | i3wm
  • How To Uninstall i3-wm On Ubuntu 15.04

Qtile

Available for 16.10+ - here.

Deepin DE

The PPA's from the following links don't work 1 and 2.

Openbox

• Install:

    sudo apt install openbox openbox-menu 
    #sudo apt install openbox-gnome-session openbox-kde-session
  

• Uninstall:

    sudo apt-get remove --purge openbox openbox-menu 
    #sudo apt-get remove --purge openbox openbox-gnome-session openbox-kde-session
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • What kinds of desktop environments and shells are available? | Openbox

Trinity

• Install:

    echo | sudo tee -a /etc/apt/sources.list
    echo "# Trinity - https://askubuntu.com/a/286547/566421" | sudo tee -a /etc/apt/sources.list
    echo "deb http://mirror.ppa.trinitydesktop.org/trinity/trinity-r14.0.0/ubuntu xenial main" | sudo tee -a /etc/apt/sources.list
    echo "deb-src http://mirror.ppa.trinitydesktop.org/trinity/trinity-r14.0.0/ubuntu xenial main" | sudo tee -a /etc/apt/sources.list
    echo "deb http://mirror.ppa.trinitydesktop.org/trinity/trinity-builddeps-r14.0.0/ubuntu xenial main" | sudo tee -a /etc/apt/sources.list
    echo "deb-src http://mirror.ppa.trinitydesktop.org/trinity/trinity-builddeps-r14.0.0/ubuntu xenial main" | sudo tee -a /etc/apt/sources.list
    
    sudo apt update && sudo apt upgrade
    sudo apt install kubuntu-default-settings-trinity kubuntu-desktop-trinity
    
    #sudo apt-get install kubuntu-default-settings-trinity kubuntu-desktop-trinity --fix-missing
  

• Uninstall:

    sudo apt-get remove --purge kubuntu-default-settings-trinity kubuntu-desktop-trinity 
    # Remove PPA from /etc/apt/sources.list
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • What kinds of desktop environments and shells are available? | Trinity
  • Trinity Desktop Project Wiki : Ubuntu Trinity Repository Installation Instructions

Budgie

• Install 17.04+:

    sudo apt install ubuntu-budgie-desktop
  

• Install 16.04:

    sudo add-apt-repository ppa:budgie-remix/ppa
    sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F422D205
    sudo apt update
    sudo apt install budgie-desktop
  

• Uninstall:

    sudo apt-get remove --purge ubuntu-budgie-desktop 
    sudo apt install ppa-purge 
    sudo ppa-purge ppa:budgie-remix/ppa
    sudo apt update && sudo apt autoremove && sudo apt autoclean
  

• References:

  • What kinds of desktop environments and shells are available? | Budgie
  • Solus Budgie