get actual host ip

mx-linux/mx-21-docker.sh

@@ -13,6 +13,7 @@ sudo usermod -aG docker $USER
 # newgrp $USER
 sudo apt install -y docker-compose
 # portainer in swarm mode
-sudo docker swarm init --advertise-addr eth0
+ip=$(hostname -I | awk '{print $1}')
+sudo docker swarm init --advertise-addr $ip
 sudo docker network create --scope swarm --attachable  -d 'overlay'  web
 sudo docker stack deploy --compose-file=portainer-agent-stack-swarm.yml portainer