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Rails 1.2.3
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$ which rails
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/usr/local/bin/rails
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Now that Rails is installed, it s time to take it for a spin! Unless you feel like reading the installation instructions for Windows and Linux, you re free to skip ahead to the Creating Your First Rails Application section.
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Automating Installation
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Here s a script you can use to automate all the steps we just covered for installing on Mac OS X. To use it, save it with an extension of .sh (we recommend install_rails.sh), and make sure you run it as a superuser using sudo. Remember that you need Apple s Developer Tools package, Xcode Tools, to run this script.
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#!/bin/sh PREFIX="/usr/local" READLINE_VERSION="5.2" RUBY_VERSION="1.8.5-p12" GEM_VERSION="0.9.1"
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CHAPTER 2 GETTING STARTED
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curl -O ftp://ftp.gnu.org/gnu/readline/readline-${READLINE_VERSION}.tar.gz tar xzvf readline-${READLINE_VERSION}.tar.gz pushd readline-${READLINE_VERSION} ./configure --prefix=${PREFIX} make make install popd curl -O ftp://ftp.ruby-lang.org/pub/ruby/1.8/ruby-${RUBY_VERSION}.tar.gz tar xzvf ruby-${RUBY_VERSION}.tar.gz pushd ruby-${RUBY_VERSION} ./configure --prefix=${PREFIX} --enable-pthread --with-readline-dir=${PREFIX} make make install popd curl -OL http://rubyforge.org/frs/download.php/16452/rubygems-${GEM_VERSION}.tgz tar xzvf rubygems-${RUBYGEMS_VERSION}.tgz pushd rubygems-${RUBYGEMS_VERSION} ruby setup.rb popd gem install rails include-dependencies
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Assuming you named this script install_rails.sh, you would run it using the following command.
$ sudo install_rails.sh
Installing on Windows XP
Installation on Windows is easy thanks to installer packages. While this is the norm for Windows, few installation procedures are without their gotchas, so be sure to check out the latest information on the Rails wiki (http://wiki.rubyonrails.org/) for help with specific problems. We ll start by installing MySQL.
CHAPTER 2 GETTING STARTED
Installing MySQL
MySQL is easy to install on Windows thanks to a one-click installer provided by MySQL AB. You can find a link to download the latest package here:
http://dev.mysql.com/downloads/mysql/5.0.html
Make sure you download the latest stable Standard release. When it s finished downloading, double-click the installer to start the installation. You ll be presented with a list of options to fill in. The defaults will suffice, so click Next to proceed through the install wizard until you reach the option to configure your server. Make sure the option to Configure Your Server Now is checked, and then click Next. The configuration step of the wizard is important. As shown in Figure 2-4, here you set up MySQL as a Windows service, which lets you use the Microsoft Management Console (MMC) to configure startup options and other useful commands. Make sure the Launch the MySQL Server Automatically check box is selected. Also make sure the Include BIN Directory in Windows PATH check box is selected, so the installer will add the MySQL utilities directory to the command-line PATH variable. This allows you to call the MySQL utilities from the command line.
Figure 2-4. MySQL Server Instance Configuration
CHAPTER 2 GETTING STARTED
You can set a root password for your installation if you wish, but since you ll likely only be using this database for development, it s not really necessary. You might even find it s easier just to leave it at the default (blank) when working with Rails, since you ll have even less configuration to do when creating a new application. (Rails assumes you ll be accessing your database in development with the username root and a blank password.) If all has gone according to plan, you ll be able to test your MySQL installation and the configuration of your Windows environment by opening the command prompt (click Start Run, type cmd, and click OK) and typing the following command.
> mysql --version
> mysql Ver 14.12 Distrib 5.0.27
With MySQL installed, it s time to tackle the next step: installing Ruby. Fortunately, it s even easier than installing MySQL.
Installing Ruby
Installing Ruby on Windows is marvelously easy thanks largely to Curt Hibb s one-click installer for Ruby. You can read more and download the installer from its RubyForge project page:
http://rubyforge.org/projects/rubyinstaller/
The current version of the installer at the time of this writing is 1.8.5-21, for Ruby 1.8.5, which you can download using this URL:
http://rubyforge.org/frs/download.php/12751/ruby185-21.exe
After you ve downloaded the installer, start the installation by double-clicking its icon. What follows is standard installer fare, and the defaults are all sufficient for our purposes. All you need to do is select the location where you would like to put Ruby (usually c:\ruby), as shown in Figure 2-5, and the installer will take care of the rest. You ll have a fully functioning Ruby installation in minutes.
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