install lxc virtual machine with gui
sudo pacman -S lxc
sudo lxc-create --template download --name u1
list containers
sudo lxc-ls --fancy
start
lxc-start -n u1 -d
login
lxc-attach -n <container_name>
(if you need gui, continue, otherwise you are all set up)
setup x server
apt update
apt upgrade -y
apt install -y xfce4 x2goserver x2goserver-xsession
adduser rescue
reboot
set password
passwd ubuntu
test connection with ssh
ssh ubuntu@container_id
install x2goclient
yay x2goclient
connect with same ssh settings
you should see a graphical desktop now
debugging
if you get error about network/bridge, you may need to delete anbox from ip addr:
ip addr | grep 192.168.250.1
sudo ip addr del 192.168.250.1/24 dev anbox0
you may need to install bridge:
https://wiki.debian.org/LXC/SimpleBridge
see: "Using lxc-net"