[Ruby] Installing Ruby

Overview

How to install Ruby using rbenv on macOS.

Steps

1. Install rbenv

brew install rbenv

2. Check available version list

rbenv install -l

3. Install a specific version

rbenv install 3.0.0
rbenv rehash

4. Add the following lines to ~/.zshrc

[[ -d ~/.rbenv  ]] && \
  export PATH=${HOME}/.rbenv/bin:${PATH} && \
  eval "$(rbenv init -)"

5. Change the global version

rbenv global 3.0.0

6. Check the current version

rbenv version

7. Check all installed versions

rbenv versions

8. Uninstall a specific version

rbenv uninstall 3.0.0

References

• https://www.ruby-lang.org/ko/documentation/installation/
• https://devhints.io/rbenv
• Install Oh My Zsh
• Setting Up Opening VSCode by Command Line