Question
What is Enable User Data?
What does the Enable User Data option provide? I don’t understand the meaning.
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Selecting Enable User Data allows you to input a Bash script to customize your server during provisioning. In theory, this could do anything you want, but most might use it to run a repo update/upgrade or install some software automatically. The real power comes when interacting via the API, as you could bring servers up and down passing scripts each time to setup the server as needed.
More info here: https://www.digitalocean.com/community/tutorials/an-introduction-to-droplet-metadata