rbenv

Manage your app's Ruby environment.

• github.com/rbenv/rbenv

Installation

The rbenv-installer script idempotently installs or updates rbenv on your system. If Homebrew is detected, installation will proceed using brew install/upgrade

curl -fsSL https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-installer | bash

Configuration

Add ~/.rbenv/bin to your $PATH for access to the rbenv command-line utility.

$ vim ~/.bashrc
export PATH="$HOME/.rbenv/bin:$PATH"
eval "$(rbenv init -)"

Restart your shell so the path changes take effect.

exec $SHELL

Commands

Lists all Ruby versions known to rbenv, and shows an asterisk next to the currently active version.

rbenv versions

list latest stable versions.

rbenv install -l

list all local versions.

rbenv install -L

install a Ruby version.

rbenv install 3.1.2

Sets the global version of Ruby to be used in all shells by writing the version name to the ~/.rbenv/version file.

rbenv global 3.1.2
exec $SHELL
ruby -v

Sets a local application-specific Ruby version by writing the version name to a .ruby-version file in the current directory.

rbenv local 3.1.2

Uninstalling rbenv.

rm -rf `rbenv root`

Uninstalling rbenv on MacOS.

brew uninstall rbenv

Uninstalling rbenv on Debian, Ubuntu, and their derivatives.

sudo apt purge rbenv