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Today I Learned: collection of notes, tips and tricks and stuff I learn from day to day working with computers and technology as an open source contributor and product manager

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Set hostname Permanently

Decide on a good hostname and then follow this guide:

  1. Open a terminal.

  2. 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 

scutil --set HostName hal9000
  1. 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 

scutil --set LocalHostName hal9000
  1. If you also want to change the computer name, type the following command: This is the user-friendly computer name you see in Finder, for example myMac.

sudo scutil –set ComputerName 

scutil --set ComputerName hal9000
  1. Flush the DNS cache by typing:

dscacheutil -flushcache

  1. Restart your Mac.

Done

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