Mac Hostname Configuration

Internal

• Mac
• https://home.feodorov.com:9443/wiki/Wiki.jsp?page=MacNetworking

Procedure

Become root in a terminal.

Then:

1. Change the Primary Hostname

The primary hostname is the fully qualified hostname (example NOMBP2.novaordis.com)

scutil --set HostName NOMBP2.novaordis.com

2. Change the Bonjour Hostname

This is the name usable on the local network (example NOMBP2 or NOMBP2.local, though in some cases the ".local" prefix causes an "Invalid argument" failure, so don't use it):

scutil --set LocalHostName NOMBP2

The local name can also be changed as follows:

System Preferences → Sharing → Computer Name → Edit: NOMBP2 (.local will be added by default).

Query:

scutil --get LocalHostName

3. Change the Computer Name

This is the user-friendly computer name you see in Finder

scutil --set ComputerName NOMBP2

It seems the user-friendly name can also be changed as follows:

System Preferences -> Sharing -> Computer Name -> Edit in place (do not click Edit, that changes the local name, see [MacConfiguration#2.ChangeTheBonjourHostname])

Query:

scutil --get ComputerName

4. Flush the DNS Cache

dnscacheutil -flushcache

Restart the computer.