For a more detailed version of the steps below visit: https://developers.google.com/admin-sdk/directory/v1/guides/delegation

• Enable the necessary APIs (calendar, drive, gmail, etc.) in Cloud Console
• Create a service account, download the json key file, and enable domain wide delegation (DwD)
• Determine the required scopes (calendar readonly, drive read/write, etc.)
• In the G Suite console, an admin authorizes the service account (client ID) with the specified scopes
• The admin also identifies an account — with proper admin privileges — that the service account will impersonate (when you want to access user's data without manual authorization from the user)

jq is useful to slice, filter, map and transform structured json data.

brew install jq

When hosting our web applications, we often have one public IP address (i.e., an IP address visible to the outside world) using which we want to host multiple web apps. For example, one may wants to host three different web apps respectively for example1.com, example2.com, and example1.com/images on the same machine using a single IP address.

How can we do that? Well, the good news is Internet browsers