1. docker installation
All major websites have installation tutorials
CentOS 7 is installed using yum as follows:
# yum -y install docker-io
2. Enable remote access
Add the configuration content to the /etc/default/docker file on the Docker environment machine:
DOCKER_OPTS=”-H unix:///var/run/docker.sock -H tcp://0.0.0.0:2375”
3. Restart docker
service docker restart
4. Local machine configuration environment variables
DOCKER_HOST=tcp://ip:2375
ip: the ip of your own machine