Privileged access to your Linux system as root or via the sudo command.
# - requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command
$ - requires given linux commands to be executed as a regular non-privileged user
How to install minimal Gnome on Ubuntu 20.04 step by step instructions
Install Vanilla GNOME
The vanilla GNOME desktop is a pure Gnome shell with minimal installed packages and functionality. It is ideal for servers with minimal GUI applications requirement.
To install Vanilla GNOME shell desktop execute the following command from your terminal:
$ sudo apt install gnome-session gnome-terminal
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Reboot your system:
$ sudo reboot
Vanilla GNOME installation
Install Gnome Minimal Desktop
The second option is to install Ubuntu Gnome Minimal Desktop which is not as slim as the minimal gnome-shell installation, however, contains slightly less software packages then a regular full Ubuntu desktop.
To install minimal Gnome desktop first ensure that tasksel is installed on your system:
$ sudo apt install tasksel
Use tasksel to install the following package group: