Ruby on Rails' installation and setting

ruby_on_rails_installation

#安装所需包
sudo apt-get install -y build-essential openssl curl libcurl3-dev libreadline6 libreadline6-dev git zlib1g zlib1g-dev libssl-dev libyaml-dev libxml2-dev libxslt-dev autoconf automake libtool imagemagick libmagickwand-dev libpcre3-dev libsqlite3-dev libmysql-ruby libmysqlclient-dev

#下载安装RVM
curl -L get.rvm.io | bash -s stable

#当前环境载入RVM配置
source ~/.bashrc
source ~/.bash_profile

#更改gem源到淘宝
sed -i -e 's/ftp\.ruby-lang\.org\/pub\/ruby/ruby\.taobao\.org\/mirrors\/ruby/g' ~/.rvm/config/db

#列出支持的Ruby版本
rvm list known

#安装Ruby1.9.3
rvm install 1.9.3

#列出所有安装的Ruby版本
rvm list

#设置使用1.9.3版Ruby并将其设置为默认
rvm use 1.9.3 --default

#在当前版本下创建gemset
rvm gemset create gitlabset

#列出所有gemset
rvm gemset list

#设置当前gemset使用gitlabset
rvm use 1.9.3@gitlabset

#安装bundler和rails
gem install bundler rails

#检测bundler和rails版本
bundle -v
rails -v