June 2025
Intermediate to advanced
488 pages
12h 27m
English
Since macOS Sequoia ships with Ruby 2.6.10, you’ll need to download a newer version of Ruby that works with Rails 8. The easiest way to do this is to use Homebrew.[20]
Before you start, go to your Utilities folder and drag the Terminal application onto your dock. You’ll be using this during the installation and then frequently as a Rails developer. Open the terminal and run the following command:
| | $ /bin/bash -c "$(curl -fsSL \ |
| | https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" |
You’ll be asked for your password and then to press Enter. Once the installation completes, it will output some next steps for you to take. At the present time, those steps are as follows:
| | $ echo >> ... |
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