rbenv Quick Reference
with tags DokuWiki field-notes ruby rbenv -This page collectively describes rbenv and ruby-build and quick hints on how to use them together.
Quick Reference
| Command | Purpose |
|---|---|
rbenv install --list |
Show available rubies to install |
~/.rbenv/versions |
Path rubies intall into |
rbenv install 1.9.3-p392 |
Install ruby version |
rm -rf $(rbenv prefix 1.9.3-p392) |
Remove specified ruby version |
rbenv uninstall 1.9.3-p392 |
Same as above, using ruby-build plugin |
$RBENV_VERSION |
Special env var that overrides the ruby version |
.ruby-version |
Normal way to specify ruby version to be used more details. |
rbenv rehash |
Manually rebuild your shim files. Run this command after you install a new version of Ruby, or install a gem that provides commands. |
rbenv shell 1.9.3-p392 |
Use specific ruby version in this shell instance, overrides any app-specific settings |
rbenv shell |
Reports current shell specific override setting |
rbenv shell --unset |
Removes shell specific override setting |
rbenv local 1.9.3-p392 |
Sets a local application-specific Ruby version by writing the version name to a .ruby-version file in the current directory. |
rbenv global 1.9.3-p392 |
Sets the default version of Ruby to be used in all shells by writing the version name to the ~/.rbenv/version file. |
rbenv which irb |
Displays the full path to the executable that rbenv will invoke when you run the given command (irb). |
rbenv whence rackup |
Lists all Ruby versions with the given command installed (rackup). |
gem install ruby-debug19 -- --with-ruby-include=$(rbenv prefix 1.9.3-p392) |
Install ruby-debug19 gem bound to the specified ruby. |
Custom Build Options
You can customize the way ruby builds using special env vars