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Apple changed something in the Terminal for macOS 15. Instead of showing username and localhost name at the prompt, it now shows username@Mac instead. I have tried various commands using sudo scutil to reset the hostname, but nothing seems to work. Anyone have a solution?
Set your three host names, the traditional full name with domain and dots DNS name, the Bonjour mDNS name (less the .local part), and the so-called friendly name Finder and some other displays use.
sudo scutil --set HostName HostName.example.com
sudo scutil --set LocalHostName HostName
sudo scutil --set ComputerName FriendlyHostName
Restart Terminal.app. Test again.
I did actually reboot the router to get rid of the old DNS record, but now it only has "MacBookPro" and not the name I tried to change my laptop to.
Terminal doesn't show hostname anymore
