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--- install_desktop_gui_ubuntu_server [2020/06/07 18:06] – [Install KDE Plasma] wikiadmin
+++ install_desktop_gui_ubuntu_server [2020/06/07 18:42] (current) – [Switching Among Graphical Interfaces] wikiadmin
@@ Line 1: / Line 1: @@
 ====== How to Install a Desktop (GUI) on a Linux Ubuntu Server ======
-Ubuntu Server 20.04 LTS (or previous versions) does not include a Graphical User Interface (GUI) upon installation.  However, a desktop environment (a GUI) can be added after Ubuntu Server is installed.  Installation is done from the command line interface (CLI) either with or without the necessity of installing or employing the task select manager utility (tasksel), which necessity will depend on the Display Manager and/or the GUI that you choose.
+Ubuntu Server 20.04 LTS (or previous version) does not include a Graphical User Interface (GUI) upon installation.  However, a desktop environment (a GUI) can be added after Ubuntu Server is installed.  Installation is done from the command line interface (CLI) either with or without the necessity of installing or employing the task select manager utility (tasksel), which necessity will depend on the Display Manager and/or the GUI that you choose.
 ===== Update the Repositories and Packages =====
@@ Line 81: / Line 81: @@
 </code>
-If you are concerned about the substantial resource usage of these above Ubuntu Server GUI applications, then you may want to consider one of the lighter GUI applications, less resource-intensive GUI apps, listed below.
+If you are concerned about the substantial resource usage of these above Ubuntu Server GUI applications, then you may want to consider one of the lighter GUI applications, less resource-intensive GUI apps, listed below.  This can conserve server resources.
+===== Some Lighter Graphical Interfaces =====
+==== Mate Core Server Desktop ====
+Mate is a popular and lightweigtht GUI which can be installed as following:
+<code>sudo tasksel install ubuntu-mate-core</code>
+Mate can be launched after installation with one of the 3 following choices of your installed //display manager//:
+<code>
+sudo service slim start
+sudo service lightdm start
+sudo service sddm start
+</code>
+You will be prompted to enter your login credentials / password.
+To exit the GUI, open the command line or console and enter one of the following commands, depending on you installed //display manager// -- sudo service //display_manager// stop:
+<code>
+sudo service slim stop
+sudo service lightdm stop
+sudo service sddm stop
+</code>
+==== Install Lubuntu Core Server Desktop ====
+Use **Lubuntu** if you want to minimize the impact on your system memory and processors (GPU and/or CPU).
+To install **Lubuntu** enter:
+<code>sudo tasksel install lubuntu-core</code>
+Or you can alternatively install **Lubuntu** from the tasksel graphical menu list by invoking tasksel as follows:
+<code>tasksel</code>
+Use the arrow keys and space bar to select the Lubuntu GUI, than Tab down to the OK button and press Enter to proceed with installing Lubuntu.
+Launch The Lubuntu GUI with one of the applicable //display manager// that you have installed, as follows:
+<code>
+sudo service slim start
+sudo service lightdm start
+sudo service sddm start
+</code>
+==== Install Xubuntu Server Core Desktop ====
+Xubuntu uses the Xfce desktop environment.
+Install Xubuntu with:
+<code>sudo tasksel install xubuntu-core</code>
+Launch Xubuntu with:
+<code>sudo service slim start
+sudo service lightdm start
+sudo service sddm start</code>
+Login.
+==== Install Xfce Desktop ====
+Install Xfce with:
+<code>sudo apt-get install xfce4 slim</code>
+Launch Xfce with:
+<code>sudo service slim start</code>
+Login.
+Xfce GUI is only compatible with the SLiM display manager.
+===== Switching Among Graphical Interfaces =====
+If you have more than one GUI installed you can select which one GUI that you wish to use when you launch your display manager and are prompted to login. **PRESS the F1 key at the login screen** and you will be offered a selection from the multiple GUIs that are installed. Make your GUI choice and log-in with your credentials.