rbenv
rbenv
TLDR
Install a Ruby version
$ rbenv install [version]
Display a list of the latest stable versions for each Ruby
$ rbenv install --list
Display a list of installed Ruby versions
$ rbenv versions
Use a specific Ruby version across the whole system
$ rbenv global [version]
Use a specific Ruby version for an application/project directory
$ rbenv local [version]
Display the currently selected Ruby version
$ rbenv version
Uninstall a Ruby version
$ rbenv uninstall [version]
Display all Ruby versions that contain the specified executable
$ rbenv whence [executable]
USAGE
Initialize rbenv for your acccount:
$ rbenv init $ echo eval "$(rbenv init -)" >> ~/.bashrc # restart your shell after this
Install different Ruby interpreters (requires the ruby-build package):
$ rbenv install 2.4.0
Switch between different Ruby interpreters:
$ rbenv global 2.4.0 $ ruby -v ruby 2.4.0p0 (2016-12-24 revision 57164) [x86_64-linux] $ rbenv global system $ ruby -v ruby [whatever version of Ruby Debian provides by default]
The original rbenv README with a more comprehensive documentation, including all of the available commands, is available at /usr/share/doc/rbenv/README.md.gz
ABOUT
This manual page was written for the Debian system by Antonio Terceiro <terceiro@debian.org> and may be used by others.
