rbenv


# yum install -y \
which \
tar \
curl \
openssl-devel \
git \
gcc


# git config --global color.ui true


1) Создал пользователя developer.

# useradd \
-d /home/developer \
-m developer

# passwd developer


# mkdir /rails_projects
# chown -R developer /rails_projects/


# su - developer

=======================



$ git clone git://github.com/sstephenson/rbenv.git .rbenv
$ echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
$ echo 'eval "$(rbenv init -)"' >> ~/.bashrc
$ exec $SHELL

$ git clone git://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
$ echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.bashrc
$ exec $SHELL


$ rbenv install --list

$ rbenv install 2.1.4


$ rbenv versions
* 2.1.3 (set by /home/developer/.rbenv/version)
  2.1.4



$ rbenv global 2.1.4
$ ruby -v


https://gorails.com/setup/ubuntu/14.10

============================================================
============================================================

RubyGems

$ gem -v
2.2.2

$ gem list

$ gem update --system


============================================================

Rails

$ echo "gem: --no-ri --no-rdoc" > ~/.gemrc

$ gem install bundler
$ rbenv rehash
$ bundle -v
Bundler version 1.7.4

$ gem install rails --no-ri --no-rdoc
$ rbenv rehash
$ rails -v


==========================================================

MySQL

# yum install -y mysql-devel mysql mysql-server

$ gem install mysql2

-----

Sqlite


-- В Centos 6.5
# yum install -y sqlite-devel

-- В Ubuntu 14.04
# apt-get install libsqlite3-dev

==========================================================

CREATING a PROJECT

$ cd /rails_projects

// mysql
$ rails new myApp1 -d mysql


// sqlite
$ rails new myApp1 -d sqlite3

$ cd myApp1/

$ vi Gemfile

Оставили только rails и mysql2 / sqlite3


==========================================================


rails console

# yum install readline-devel

в GemFIle добавляю

gem 'rb-readline'

$ bundle install
==========================================================

$ vi ./config/database.yml

Указываем логин и пароль для подключения к базе.
Комментируем название базы если имеется.
database: #myApp1_development

============================================================

WebServer (WEBrick)

$ rails server

http://192.168.1.21:3000/
============================================================
============================================================


Generatin a Controller and View


$ rails generate controller demo index


$ vi app/controllers/demo_controller.rb 


class DemoController < ApplicationController
  
    layout false

  def index
  end
end




http://192.168.1.21:3000/demo/index