install packages

sudo apt install xrdp tigervnc-standalone-server

update /etc/xrdp/startwm.sh

add these three lines in /etc/xrdp/startwm.sh

unset DBUS_SESSION_BUS_ADDRESS
unset XDG_RUNTIME_DIR
. $HOME/.profile

restart xrdp service

sudo service xrdp restart

connect with remmina

connect with remmina , choose RDP protocol , and change session to Xvnc , input ID/password