Ruby on Rails 4

Ruby on Rails 4 2015/07/05

	Install Ruby on Rails 4 to build Ruby Framework environment.
[1]	Install and start MariaDB Server, refer to here.
[2]	Install Ruby 2.2, refer to here.
[3]	Install some other required packages.

# install from EPEL [root@dlp ~]#  yum --enablerepo=epel -y install nodejs mariadb-devel

[4]	Install Rails 4.

[root@dlp ~]#  gem install bundler  [root@dlp ~]#  gem install rails --no-ri --no-rdoc  [root@dlp ~]#  gem install mysql2 --no-ri --no-rdoc -- --with-mysql-config=/usr/bin/mysql_config  [root@dlp ~]#  rails -v  Rails 4.2.3

[5]	Create a sample application and make sure it works normally.

[root@dlp ~]#  rails new SampleApp -d mysql  [root@dlp ~]#  cd SampleApp  [root@dlp SampleApp]#  vi config/database.yml default: &default   adapter: mysql2   encoding: utf8   pool: 5   username: root   password:  password     # MariaDB password   socket: /var/lib/mysql/mysql.sock # create a sample app [root@dlp SampleApp]#  rake db:create:all  [root@dlp SampleApp]#  rails generate scaffold testapp name:string title:string body:text  [root@dlp SampleApp]#  rake db:migrate  [root@dlp SampleApp]#  rails server --binding=10.0.0.30  => Booting WEBrick => Rails 4.2.3 application starting in development on http://10.0.0.30:3000 => Run `rails server -h` for more startup options => Ctrl-C to shutdown server [2015-07-06 11:30:02] INFO WEBrick 1.3.1 [2015-07-06 11:30:02] INFO ruby 2.2.2 (2015-04-13) [x86_64-linux] [2015-07-06 11:30:02] INFO WEBrick::HTTPServer#start: pid=13735 port=3000

[6]	Access to the "http://(server's hostname or IP address):3000/" from a client computer. It's OK if following site is displayed normally.

Access to "http://(server's hostname or IP address):3000/testapps/", then it's possbile to use sample app like follows.