• macOS - OS X computer name not matching what shows on terminal - Ask Different (opens in a new tab)

This is the only thing that worked when I saw that my old work computer name was showing in the prompt of my new work computer! Crazy.

sudo -i
Password:
 
for n in HostName ComputerName LocalHostName; do
    scutil --set $n <MYNEWHOSTNAMEHERE>
done
 
exit