centos_to_vps.sh

# update and install basic tools
sudo yum -y update
sudo yum -y install curl git-core 

# install nginx
sudo yum -y install epel-release
sudo yum -y install nginx
service nginx start
curl localhost

# install mysql
sudo yum -y install mysql-server
service mysqld start
mysql -uroot

# install nodejs
sudo yum -y install nodejs

# install rbenv for mutiple ruby versions
curl https://raw.githubusercontent.com/fesplugas/rbenv-installer/master/bin/rbenv-installer | bash
vim .bashrc # add rbenv to the bottom
. .bashrc
rbenv bootstrap-ubuntu-12-04 # need password
rbenv install --list # list all versions of ruby
rbenv install 2.0.0-p481
rbenv global 2.0.0-p481
  rbenv versions               # 列出安装的版本
  rbenv version                # 列出正在使用的版本
  rbenv global 1.9.3-p392      # 默认使用 1.9.3-p392
  rbenv shell 1.9.3-p392       # 当前的 shell 使用 1.9.3-p392, 会设置一个 `RBENV_VERSION` 环境变量
  rbenv local jruby-1.7.3      # 当前目录使用 jruby-1.7.3, 会生成一个 `.rbenv-version` 文件
  rbenv rehash                 # 每当切换 ruby 版本和执行 bundle install 之后必须执行这个命令
  rbenv which irb              # 列出 irb 这个命令的完整路径
  rbenv whence irb             # 列出包含 irb 这个命令的版本
  
  
# change the source of gem and install rails 
gem sources --remove https://rubygems.org/
gem sources -a https://ruby.taobao.org/
#gem install rails -v 4.1.6 # bundler will be installed as deps
gem install bundler --no-ri --no-rdoc
rbenv rehash