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Apple Silicon Macs

You should be here because you got the following message -

Terminal Messgage

Congratulations! You have a brand new Apple Silicon based Mac. You're at the bleeding-edge of Mac developments. But it means we have to configure your Terminal to make sure things still work on the course. Please follow these steps -

  • Please switch to Terminal (you should see "Terminal" in the top left of the screen)

  • Quit Terminal by holding command (⌘) and pressing Q. Or choose Terminal > Quit Terminal from the menu at the top of the screen.

  • Click on Finder in the Dock

    Finder

  • Navigate to Applications > Utilities...

  • And click once on Terminal

Finder - Terminal

  • Hold command (⌘) and press I (for Info) or choose File > Get Info from the menu at the top of the screen. Put a tick in the "Open using Rosetta" checkbox.

Get Info

  • Close the Terminal Info window with the red dot in the top left corner.

  • Open Terminal again

  • Type arch and hit Enter. You should see - i386 or x86_64

  • (If you don't - check the tick is in "Open using Rosetta" when you Get Info on the Terminal)

  • IMPORTANT: You must now run the script again and can refer back to the original Page

sh mac 2>&1 | tee ~/laptop.log

FAQs

Wait, what did I just do?

Because your Mac is so new not all the software we use is designed to run on it out of the box. We need to run it using Rosetta, a tool that translates older software to run on your Mac. When you first ran the script Rosetta was installed. Checking the box forced it to be used for the Terminal.

Are there any downsides?

Over time software will be updated to fully support your Mac. This software should run faster. And so there may be a time when you will no longer want to run your Terminal using Rosetta.

Most of the software we install uses a tool called brew. The status of its support for Apple Silicon Macs can be found here -

Homebrew/brew#7857

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