Updating rubygems on leopard

updating rubygems on leopard-26
Don’t underestimate the importance of the work you’ve already done, though.Plus, you’ll now have an easy upgrade path the next time a new version of Ruby or Rails is released (which I’ll explain later).

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As such, there’s not much more to it than the actual download and compilation steps.

You don’t need to mess with startup scripts or configuration files. Lastly, we need to install a tiny little module which will allow Ruby to talk to SQLite databases.

You’ll need to enter your account password before you’ll be allowed to execute this command. Think of it as prepackaged functionality that you can install on your machine so you don’t have to reinvent the wheel over and over again while you’re working on your own projects.

Ruby Gems is constantly being developed and improved, and new versions are released frequently.

The only prerequisite for this process is Xcode, the Apple Developer Tools that come on a separate CD with Mac OS X.

If you haven’t installed the tools yet, and don’t have your installation CD handy, you can download the Xcode package for free (although at more than 900MB, it’s a hefty download! To install Xcode, run the packaged installer by clicking on the For the next few steps, we’re going to leave the comfort and security of our pretty graphical user interface and tackle the much geekier UNIX command line.For this reason, I don’t recommend that you use Locomotive to work through this book.If your Mac is a relatively recent purchase, you may be running OS X version 10.5 (Leopard) or later.Of course, it wouldn’t do you any harm to read through all of the steps below anyway, just to make sure that you’re familiar with the software components and concepts that are introduced; for example, the Mac OS X Terminal, the command line interface, and Ruby Gems. While there are packages out there that make the installation of Ruby easier, such as Mac Ports, for the sake of completeness, I’ll show you how to build Ruby on your machine from scratch.The first step in the process is to make sure we have everything we need for the installation to go smoothly.While you’re waiting for Rails to install, I’ll let you in on a little secret: the command we just entered is the very same one that you can use to stay up to date with future Rails releases.Whenever you want to upgrade Rails, just enter that command again, and your system will be updated. In fact, if you’re running the above command on Mac OS X 10.5, that’s exactly what you’ll be doing: upgrading your existing Rails installation.It’s wise to run some checks at this point, to determine whether our installation is on track so far.The simplest and safest way to ascertain whether our Ruby installation is working is to type the following command into the Terminal window: is a way for “regular” computer users to perform system-wide installations that are normally reserved for system administrators. Ruby Gems is a utility for managing the additions to the Ruby programming language that other people have developed and made available as free downloads.If this is the first time you’ve used the command line on your Mac, don’t worry—we’ll be using it often as we work through this book, so you’ll have plenty of practice! First, open up a UNIX session in OS X using the Terminal utility. (On UNIX-based systems such as Mac OS X, files that start with a period are usually hidden files.) If you type out the following command exactly, your PATH environment variable will be set correctly every time you open a new Terminal window: The process of extracting, configuring, and compiling the source code for all the packages that we’ll be downloading will take up a reasonable amount of space on your hard drive.Let’s keep things organized and operate within a single folder rather than making a mess of the desktop.


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