apt install x11xrdp
dpkg-reconfigure xserver-xorg-legacy
(anybody)
mcedit /etc/xrdp/startwm.sh
at end
#test -x /etc/X11/Xsession && exec /etc/X11/Xsession
#exec /bin/sh /etc/X11/Xsession
unset DBUS_SESSION_BUS_ADDRESS.
exec mate-session
si no anda cambiar SUID a Xorg