Bundler. Package Manager for Ruby Gems. You have a Gemfile with gems and versions that you want to install for your project. Bundler coordinates between all the dependencies for all the gems and versions specified in the gemfile. After running
bundle install you have gem libraries installed for your project. http://bundler.io/docs.html
bundle install– bring in new gems from the Gemfile
bundle update– upgrade all the gems in a project. You probably don’t want that
bundle update gemname– update a gem and all it’s dependencies
bundleis the same as
N. Manages versions of Node. You can install it with NPM. https://github.com/tj/n
RVM. Manages versions of Ruby. https://rvm.io
rvm install 2.1.1followed by
rvm use 2.1.1– use ruby 2.1.1 in your project.
which rubyis also helpful.
HomeBrew. Package manager for Mac. Can be used to install many programs and libraries. Built with ruby and git under the hood. http://docs.brew.sh
brew install somepackage– installs the package!
brew update– updates Homebrew and its package installing recipes
brew upgrade– upgrades all the packages that you’ve installed with HomeBrew.