Preparing the master node
During bootup, select the US or (whatever country you reside in) keyboard option located at the middle-bottom of the screen. After bootup completes, start with the following screenshot. Click on Menu, and then Preferences. Select Raspberry Pi configuration (see the following screenshot):
Menu options
The System tab appears (see the following screenshot). Type in a suitable Hostname for your master Pi. Auto login is already checked:
System tab
Go ahead and Change Password to your preference (see the following screenshot): ...
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