how to install gui on ubuntu server 20.04 code example

Example 1: install vpn client for ubuntu 20.04 gui

$ sudo apt install network-manager-openvpn network-manager-openvpn-gnome openvpn openvpn-systemd-resolved -y

Example 2: start Gui on your Ubuntu 20.04 system from cli

$ sudo systemctl isolate graphical

Example 3: start Gui on your Ubuntu 20.04 system from cli

$ sudo systemctl set-default graphical.target