Mac Setup

The commands and processes I run to setup a new Mac computer

Homebrew Setup

First, install Homebrew:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

Install the following as needed:

brew install git

brew install yarn

brew install prettier

brew install python

brew install awscli

brew install gnupg

brew install elixir

brew install --cask phoenix

brew install --cask google-chrome

brew install --cask visual-studio-code

brew install --cask pycharm

brew install --cask docker

brew install --cask dotnet

brew install --cask lastpass

brew install --cask slack

brew install --cask postman

brew install --cask notion

brew install --cask zoom

brew install --cask microsoft-outlook

brew install --cask adobe-acrobat-pro

brew install --cask raycast

brew install --cask fig

brew install --cask figma

brew install --cask miro

brew install --cask canva

brew install --cask robo-3t

brew install --cask rocket

Node

Download Node Version Manager (NVM) to download and manage Node versions.

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash

Once that installs, run the following command:

nvm install stable

Bash

Create and open bash profile

touch ~/.bash_profile

open -a TextEdit.app ~/.bash_profile

Head over to wherever you save your custom config and copy it into TextEdit and save.

Git

git config --global user.name "Matt Sichterman"

git config --global user.email msichterman1@gmail.com

Configure GPG Commit Signing

1. Log into GitHub
2. Click on your setting under your profile in the top right corner.
3. Find your GitHub email address in your Account Settings under the Emails menu option.
   • If it is private this will be someone@user.noreply.github.com.
   • If your email is verified, it will have a green Primary next to your email address and skip to step 5.
4. If your email it is not verified follow THESE steps from Github, then return to these instructions when complete.
5. Open Terminal
6. In Terminal, run:

brew install gnupg

This and the following step may take a little while, e.g. 15 minutes. Go grab yourself a coffee.

7. In Terminal, run:

gpg --version

to validate your installation. Your validation should look like (or newer):

8. In Terminal, run the following to generate a GPG key pair:

gpg --full-generate-key

• At the prompt, specify option 4, "RSA (sign only), and press Enter.
• At the prompt, specify 4096 as the key size, press Enter.
• At the prompt, specify 1y as the the length of time the key should be valid, press Enter.
• At the prompt, press Enter to leave the comment blank.

9. Verify that your selections are correct.

10. Enter your user ID information, which should be your real name (ie FirstName LastName).

11. Enter your email address that is verified in Github.

12. Enter a new passphrase. Keep your secret key secret.

• Keep both the key and your password in a secure location (e.g. a password manager like LastPass), and don't lose it.

13. Open Finder and navigate to {location} and check to see if you have a gpg.conf file

• If the file does not exist, create it using a text editor and renaming the file with a .conf

14. Add the following two lines to your ~/.gnupg/gpg.conf file.

no-tty
use-agent

15. Add the public GPG key to your GitHub account

• Note: Go through steps 11-14 in "generated your GPG key" (noted in step 4 of the guide above) to generate the actual key

16. Follow the steps in this guide

17. In Terminal, run git config --global commit.gpgsign true to instruct git to sign all of your commits automatically.

18. Run the following command to do some cleanup:

brew uninstall pinentry-mac

19. Now install the GPG Suite versions

brew install --cask gpg-suite

20. Once installed, open Spotlight and search for "GPGPreferences", or open system preferences and select "GPGPreferences"

21. Select the Default Key if it is not already selected, and ensure "Store in OS X Keychain" is checked:

22. Update your environment (Terminal):

nano ~/.bash_profile

• And then Add the following line

GPG_TTY=$(tty)
export GPG_TTY

• And then exit out of the editor (^X) and save the document (Y)

• And run this command:

source ~/.bash_profile

23. Run:

gpgconf --kill gpg-agent

Setup SSH

Create ssh key by following the steps:

1. Run: ssh-keygen -t ed25519 -C "<your email>"
2. Press Return when asked "Enter file in which to save the key"
3. Press Return when asked "Enter passphrase" and "Enter same passphrase again"
4. Run: ls ~/.ssh and confirm id_ed25519.pub is present
5. Run: pbcopy < ls ~/.ssh/id_ed25519.pub which copies the file into your clipboard
6. Add the SSH key into Github:
   • Navigate to SSH and GPG tab in Github
   • Select "New SSH key"
   • Paste the SSH key (pressing Command + V should work as you copied the key into clipboard in previous step)
   • Configure SSO → Authorize