guides/devel/devel_ruby_gem.md

Searching

$ gem search mysql --remote gems.rubyforge.org

Installing a particular gem is very simple:

sudo gem install [gem]

Don't ask if you want the dependencies to be installed:

sudo gem install [gem] --include-dependencies

Outdated

$ gem outdated

Update

$ gem update

Update specific gem:

gem update [gem]

Clean

This will remove outdated versions of gems that are installed, leaving the new updated version installed:

gem clean

Remove

$ sudo gem uninstall [gem]

Listing installed gems

$ gem list