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--- projects:zibaldone:linux:docker [2023/03/31 19:06] – [rename volume] sscipioni
+++ projects:zibaldone:linux:docker [2023/04/19 08:08] (current) – [docker registry (public)] sscipioni
@@ Line 222: / Line 222: @@
 docker push scipioit/trac:1.4.3
 </code>
+===== remote display via ssh =====
+scenario: connect to remote docker host via ssh and run X11 GUI on client ssh
+on docker host sshd edit /etc/ssh/sshd_config
+<code>
+X11Forwarding yes
+X11DisplayOffset 10
+X11UseLocalhost no
+</code>
+on docker host create this helper script
+<code bash | set-display.sh>
+XAUTH=/tmp/Xauthority
+HOSTIP=$(ip -o route get to 8.8.8.8 | sed -n 's/.*src \([0-9.]\+\).*/\1/p')
+AUTH_COOKIE=$(xauth list ${DISPLAY} | awk '{print $3}')
+DISPLAY_NUMBER=$(echo $DISPLAY | cut -d. -f1 | cut -d: -f2)
+export DISPLAY=${HOSTIP}:${DISPLAY_NUMBER}
+touch $XAUTH
+xauth -f $XAUTH add ${DISPLAY} MIT-MAGIC-COOKIE-1 ${AUTH_COOKIE}
+</code>
+session from client
+<code bash>
+ssh -X <hostip>
+source set-display.sh
+docker run --rm -e DISPLAY=$DISPLAY -v $XAUTH:/root/.Xauthority  -t beezu/xeyes
+</code>
 ===== docker swarm =====