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Cheat Sheet
  • Cheat Sheet
  • Git
    • Initialize a new project
    • Make a new commit
    • Revert the most recent commit
    • Create a new branch
    • Setup terminal prompt to show the current git branch
    • Merge a branch into the current branch
    • Push a new branch up to GitHub (if it doesn’t exist there yet)
    • Pull a new branch from to GitHub to a second computer (if it doesn’t exist there yet)
    • Go back to an older commit and re-work from there
    • Delete a git branch
  • Rails
    • Setup Rails 8 w/ SQLite & Solid Cable, Cache & Queue
    • Stripe Pay Gem
      • Running Stripe Test Mode Locally
    • Setup new Rails app
      • Start a new Rails App (v8)
      • Start a new Rails App (v7)
      • Clone Instrumental Template to a new app
    • Rails 7 Turbo/Hotwire Cheatsheet
    • ActiveStorage with AWS S3
    • Live reloading with webpack-dev-server
    • Sidekiq & Redis
      • Setup Sidekiq in a Rails 8 app
      • Clear sidekiq queue
      • Start jobs worker
    • Setup Solid Queue/Cable/Cache in Rails 8 to share a single database
    • Run rspec tests
      • ZipMessage Tests Commands
      • Can't run rspec tests: ActiveRecord::StatementInvalid: PG::DuplicateTable: ERROR: relation "thing"
    • Acts As Tenant (using Rails console)
    • Reset database & re-run migrations
    • Ultrahook for testing email to app
    • Troubleshooting
      • Manage node versions using NVM
      • Webpacker bugs
      • Tailwind updates not showing
      • Fix orphaned migrations
      • rspec error: session not created: This version of ChromeDriver only supports Chrome version
      • “PG::ConnectionBad” error when running local rails server
        • Postgres not started (PG:ConnectionBad error)
    • OLD
      • Start a new Rails app (v6)
        • Install Tailwind CSS on a Rails Project
        • Install Stimulus.js on Rails
        • Install RSpec, Capybara, FactoryBot
        • Install Devise Masqerade
    • Hosting
      • Hatchbox.io + Digital Ocean
      • Fly.io rails app hosting
      • Render rails app hosting
      • Set up a Rails site on Heroku
        • Fix Sidekiq on Heroku
        • Setup app on Heroku for a Client
    • Edit Rails Credentials
    • Run subdomains on local
  • Misc
    • Terminal shortcuts
    • ngrok for tunneling
    • Set up a new Mac
    • Mailcatcher
  • Statamic
  • Forge / Statamic
    • Run Statamic (for Clarityflow) locally
    • Set up to SSH into Forge server
    • Production deploy failed. Resolve by SSH & resolve git conflicts.
  • Old (not using anymore)
    • Heroku
      • Push to Heroku
        • Can't push to heroku. Updates were rejected because the remote contains work you dont have locally
      • Create a Heroku App from command line
      • Set up remotes for staging and production apps
      • Run the Rails Console on Heroku
      • Migrate database on Heroku
      • Make database backups
      • Restart Heroku Dynos
      • Point a root domain (non-subdomain) to heroku
    • Middleman
      • Start a new middleman site from my template
    • Jekyll
      • Start a new Jekyll site from my template
      • Run and work on my Jekyll site
    • Netlify
      • Setup a Jekyll site on Netlify
      • Push to Staging & Production on Netlify
    • Laravel
      • Start a new Laravel app
      • Setup a Mac for running Laravel
    • Design
      • Icomoon Fonts in Rails
    • Sync Sublime Text settings across macs
    • Run a rails project on a new mac for the first time
    • Customize terminal prompt for bash
  • Cursor
    • .cursorrules for Rails + Linear issue writing
  • Mac Environment
    • Install Homebrew for both arm64 and x86
    • Installing Ruby
    • Customize terminal prompt for zsh to show git branch
    • Open terminal in arm64 or Rosetta mode
    • Install Homebrew
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On this page
  • Install Homebrew on arch64
  • Install Homebrew on x86
  1. Mac Environment

Install Homebrew

PreviousOpen terminal in arm64 or Rosetta mode

Last updated 6 months ago

You'll want Homebrew installed for both arm64 and x86 (rosetta) architectures, so that you can run ruby and other things in both environments, when needed.

Install Homebrew on arch64

  1. Before opening terminal, get info on the Terminal app (finder > applications > utilities > terminal > get info) and uncheck Rosetta mode.

  2. Open terminal

  3. See instructions from 

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

  1. Now run brew -v and you should see the current version number.

  2. You can also confirm that homebrew is now installed at this location:

Macitosh HD > opt > homebrew

Install Homebrew on x86

  1. Before opening terminal, get info on the Terminal app (finder > applications > utilities > terminal > get info) and CHECK Rosetta mode.

  2. Open terminal

  3. See instructions from 

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

  1. Now run brew -v and you should see the current version number.

  2. You can also confirm that homebrew is now installed at this location:

Macitosh HD > usr > local> bin > brew

homebrew's site
homebrew's site