If you received an error that said Access denied for user (using password: NO) then you need to update your config/database.yml file to match the database username and password. Shift-Option-Command-R: When you press and hold. Option-Command-R: When you press and hold these three keys at startup, macOS Recovery might offer the latest macOS that is compatible with your Mac. Now that you've got your machine setup, it's time to start building some Rails applications. Command-R: When you press and hold these two keys at startup, macOS Recovery will offer the current version of the most recently installed macOS. You can now visit to view your new website! # config/database.yml file to contain the username/password that you specified # If you setup MySQL or Postgres with a username/password, modify the If you want to share a printer that's connected directly to your Mac (with others on your local area wired or wireless network). # Note you will need to change config/database.yml's username to be Let's create your first Rails application: rails new myapp You might need to run the following command to install pg, nokogiri, or other gems that require C extensions: sudo installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target /Īnd now for the moment of truth. Mojave changed the location of header files necessary for compiling C extensions. For example, my macOS user is named chris so I can login to postgresql with that username. Follow the instructions and run them: # To have launchd start postgresql at login:īy default the postgresql user is your current macOS username with no password. Once this command is finished, it gives you a couple commands to run. You can install PostgreSQL server and client from Homebrew: brew install postgresql When you're finished, you can skip to the Final Steps. Follow the instructions and run them: # To have launchd start mysql at login:īy default the mysql user is root with no password. Download macOS Big Sur 11 / 11.0.1 from Mac App Store. Once this command is finished, it gives you a couple commands to run. Simply click on the link below and it will launch the Mac App Store instantly. You can install MySQL server and client from Homebrew: brew install mysql If you're coming from PHP, you may already be familiar with MySQL. If you're new to Ruby on Rails or databases in general, I strongly recommend setting up PostgreSQL. There is a lot of documentation on both, so you can just pick one that seems like you'll be more comfortable with. macOS Big Sur (version 11) is Apple Inc.s operating system for Macintosh computers. You'll probably want something more robust like MySQL or PostgreSQL. Chances are you won't want to use it because it's stored as a simple file on disk. To get the installer for macOS Ventura, Monterey or Big Sur follow these steps: Click these links to get the version of macOS you want from the Mac App Store. Rails ships with sqlite3 as the default database. We're going to install sqlite3 from homebrew because we can't use the built-in version with macOS Sierra without running into some troubles.
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