put that into your startup shell file ( ~/.profile / ~/.zshrc / ~/.bash+profile )
Code:
# start X11 after login on /dev/ttyv0 terminal
if [ $( tty ) = "/dev/ttyv0" ]; then
nohup xinit -- -nolisten tcp -br -tst dpms nologo -xinerama -dpi 75 > /dev/null 2>&1 &
fi
With
startxfce in
~/.xinitrc after you login on 1st virtual console XFCE will start automatically.