sudo apt-get update sudo apt-get upgrade -y sudo apt-get install docker.io -y sudo usermod -aG docker $USER docker pull nginx docker run --name NGINX -p 80:80 nginx docker run --name NGINX -p 8080:80 nginx docker run --name NGINX -p 8080:80 -d nginx docker ps -a docker stop f9756e10a9d1 docker rm f9756e10a9d1 docker swarm init --advertise-addr 192.168.1.71 docker info docker swarm join --token TOKEN 192.168.1.71:2377 docker info docker node ls docker service create -p 80:80 --name webserver nginx ocker service ls docker service scale webserver=3 docker service ps webserver docker node promote dockernode1 docker node demote dockernode1 docker node promote dockernode1 dockernode2 docker node demote dockernode1 dockernode2 docker swarm leave docker node rm dockernode2 docker swarm join --token TOKEN 192.168.1.71:2377 docker swarm leave --force docker node ls