In this section, we will review the most important concepts for the Docker Certified Associate exam. For these labs, we will be using a CentOS Linux host with a Docker engine installed, which we covered in the previous chapter.
Deploy environments/standalone-environment from this book's GitHub repository (https://github.com/PacktPublishing/Docker-Certified-Associate-DCA-Exam-Guide.git) if you have not done so yet. You can use your own CentOS 7 server. Use vagrant up from the environments/standalone-environment folder to start your virtual environment.
If you are using standalone-environment, wait until it is running. We can check the status of our nodes using vagrant status. Connect to your lab node using vagrant ssh standalone. standalone as the name of your node. You will be using the vagrant user with root privileges using sudo. You should get the following output:
Docker-Certified-Associate-DCA-Exam-Guide/environments/standalone$ vagrant up
Bringing machine &apos...
