Switch Display Manager in Ubuntu 20.04
cat /etc/X11/default-display-manager for GDM3 –/usr/sbin/gdm3for LightDM –
/usr/sbin/lightdmand SDDM –
/usr/sbin/sddmsystemctl status display-managersudo dpkg-reconfigure <Default_Display_Manager>sudo dpkg-reconfigure gdm3 sudo dpkg-reconfigure lightdm sudo dpkg-reconfigure sddmsource: https://techpiezo.com/linux/switch-display-manager-in-ubuntu-20-04/ssh -L 5900:localhost:5900 username@10.17.17.49vncviewer localhost