If you go this route, you can skip the following sections on installing Ruby version managers. This protects you from the problems that can arise when you misuse root privileges.Ĭloud9 is the path of least resistance for people who aren't comfortable managing system tools and libraries we recommend it if you have never installed or configured system tools. With RVM, you can install and manage Ruby components without root privileges. For instance, you don't have to install RVM yourself. The pre-installed RVM removes several potential stumbling blocks from your path to Ruby enlightenment. Most notably, it automatically installs the RVM Ruby version manager, and sets things up so that RVM controls which Ruby you use, not the system. Specifically, the workspace for Ruby projects includes several items seldom found in a default system Ruby. They take things a bit further, though, and install additional software that almost every Rubyist needs. Ruby on Cloud9Ĭloud9 uses pre-built workspaces based on standard Linux distributions.
In this chapter, we'll discuss how Ruby gets on your system, and how to determine which Ruby version you are using. There may also be some usage restrictions that make it hard to use. However, this will likely be an older version of Ruby lacking the most recent features. For instance, on a Mac, you can use the Ruby version supplied by Apple as part of OS X or macOS.
You should understand how Ruby got on your system (this means either the physical computer you're using, or if you're using a cloud-based development environment, like Cloud9, their development environment), and how to determine the version of Ruby your system uses. If not, the package manager supplied by your system can install it in just a few minutes.
Fortunately, your system probably came with Ruby pre-installed. Before you can begin using Ruby to develop software, your development environment must have Ruby installed.
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