Ubuntu 安装配置 ROR3

1. 准备安装时使用的库
$ sudo apt-get install gcc g++ build-essential libssl-dev libreadline5-dev zlib1g-dev linux-headers-generic

2. 下载Ruby1.9.2源码编译安装
$ wget ftp://ftp.ruby-lang.org//pub/ruby/1.9/ruby-1.9.2-p0.tar.gz
$ tar -xvzf ruby-1.9.2-p0.tar.gz
$ cd ruby-1.9.2-p0/
$ ./configure –prefix=/usr/local/ruby
$ make && sudo make install

3. 准备环境变量
$ sudo gedit /etc/environment
添加环境变量
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/ruby/bin"
修环境变量生效
$ source /etc/environment

4. 检查Ruby安装情况
$ruby -v

5. 创建关联
$ sudo ln -s /usr/local/ruby/bin/ruby /usr/local/bin/ruby
$ sudo ln -s /usr/local/ruby/bin/gem /usr/bin/gem

6. 安装Rails
$ sudo gem install tzinfo builder memcache-client rack rack-test erubis mail text-format bundler thor i18n sqlite3-ruby
$ sudo gem install rack-mount –version=0.4.0
$ sudo gem install rails –version 3.0.0

7. 检查Rails安装情况
$ source /etc/environment
$ rails –v

8. 创建应用测试
$ rails new myproject
$cd myproject
$rails server