See also

Here's a list of useful links that might help you to go through with this recipe:

• If you do not know how to add a user group, check this link: https://www.techonthenet.com/linux/sysadmin/ubuntu/create_group_14_04.php
• To add a sudo user, check this link: https://www.digitalocean.com/community/tutorials/how-to-add-and-delete-users-on-ubuntu-16-04
• Here are step-by-step manual instructions on how to install Spark: https://data-flair.training/blogs/install-apache-spark-multi-node-cluster/.
• Here is how to set a passwordless SSH communication between machines: https://www.tecmint.com/ssh-passwordless-login-using-ssh-keygen-in-5-easy-steps/