I'm not a fans of display manager (GDM, Lightdm, SDDM, etc), though
for some people they could be usefull. When I'm using debian, slackware,
alpine, I can launch GNOME desktop without display manager (I use tbsm /
terminal based session manager
). Strangely when I move to Ubuntu, I'm
kind of forced to use display manager (GDM, in this case). So I tried
several commands to launch ubuntu GNOME directly from tty and gladly I
found it. I just need to use this command :