Mac OS, How to rename computer via scutil
Perform the following tasks to change the workstation hostname using the scutil command.
Open a terminal.
Type the following command to change the primary hostname of your Mac:
This is your fully qualified hostname, for example myMac.domain.com
sudo scutil --set HostName <new host name>
so for example:
sudo scutil --set HostName flame01.domain.com
Type the following command to change the Bonjour hostname of your Mac:
This is the name usable on the local network, for example myMac.local.
sudo scutil --set LocalHostName <new host name>
so for example:
sudo scutil --set LocalHostName flame01.local
Type the following command to change the computer name:
This is the user-friendly computer name you see in Finder, for example myMac.
sudo scutil --set ComputerName <new name>
so for example:
sudo scutil --set ComputerName flame01
Flush the DNS cache by typing:
dscacheutil -flushcache
Restart Mac.