#BUILD IMAGE

#docker build .

#START DOCKER: $ docker run --name -d tail -f /dev/null

#STOP DOCKER: $ docker stop <docker_id>

#USING COMPOSE: #START: $ docker-compose up -d

#STOP $ docker-compose down

#Check

docker ps

=========================== #CONFIG ANSIBLE (control host):

touch /etc/ansible/ansible.cfg

============================ NETWORK:

#Install SSH server for each host:

apt-get update; apt-get install -y openssh-server;service ssh start

#Generate SSH key for each host:

ssh-keygen -t rsa

#Copy public key into authorized_Key file for all hosts: