X11 Forwarding over SSH
Dropbear server implements X11 forwarding, and
authentication-agent forwarding for OpenSSH clients
https://matt.ucc.asn.au/dropbear/dropbear.html
tux@slitaz:~$ ssh -V
OpenSSH_7.6p1, OpenSSL 1.1.0g 2 Nov 2017
tux@slitaz:~$ grep -B 1 XAuth /etc/ssh_config
Host *
XAuthLocation /usr/bin/xauth
tux@slitaz:~$ ssh -Y root@192.168.0.192
Secure login on SliTaz GNU/Linux powered by Dropbear SSH server.
root@192.168.0.192's password:
Welcome to the Open Source World!
SliTaz GNU/Linux is distributed in the hope that it will be useful,
but with ABSOLUTELY NO WARRANTY.
root@slitaz:~# echo $DISPLAY
localhost:10.0
root@slitaz:~# leafpad test.txt
https://forum.slitaz.org/topic/slitaz-x86_64-asus-m3400qa/page/2#post-50270