ruby on rails: installation

to setup ruby on rails, follow the procedure below:

1. install ruby
tar -zxvf ruby-x.x-stable.tar.gz
cd ruby-x.x.x-xxxx
./configure
make
make install

2. install ruby gems (ruby's package manager)
tar -zxvf rubygems-x.x.x.tgz
cd rubygems-x.x.x
ruby setup.rb

3. install rake (ruby's make)
tar -zxvf rake-x.x.x.tgz
cd rake-x.x.x
ruby rake.rb

* i got this error: no such file to load -- ftools

rake --trace
* shows: no such file to load -- flexmock/test_unit

* try rake.gem
gem install rake --local --no-rdoc

4. install rails
* if you have net connection, do
gem install rails
* else do this (requires activesupport
gem install rails --local --no-doc

requirements:
actionmailer
actionpack
activerecord
activeresource
activesupport
rack
rails
rake


gem install activerecord --local --no-rdoc
gem install activesupport --local --no-rdoc
gem install rack-x.x.x.gem --local --no-rdoc
gem install rails-x.x.x.gem

5. setup your rails server
rails path/to/your/new/application
cd path/to/your/new/application
ruby script/server

You're running Ruby on Rails! Follow the instructions on http://localhost:3000

6. setup mysql on ruby
tar -zxvf mysql-ruby-x.x.x.tar.gz
cd mysql-ruby-x.x.x
ruby extconf.rb
make
make install

in config/database.yml
adapter: mysql
database: test
host:
username:
password: 

check if it works by going to http://localhost:3000 and clicking 'about..'

7. setup RoR server
install eventsmachine, daemons and thin
gem install eventmachine-x.x.x.gem --local --no-rdoc
gem install daemons-x.x.x.gem --local --no-rdoc
gem install thin-x.x.x.gem --local --no-rdoc


cd /usr/local/rails/Rails2/
thin start
or for background: thin start -d
or for environment: thin start -d -e production
or for cluster of 3: thin start --servers 3

to stop
thin stop
or thin stop --servers 3

add runlevels
thin install
chkconfig --level 345 thin on
chkconfig --list | grep thin

create config file
thin config -C /etc/thin/testapp.yml -c /usr/local/rails/Rails2/ --servers 3 --e development
cat /etc/thin/testapp.yml


8. setup RoR on apache
create your rails app directory in your public folder
cd /usr/local/apache2/htdocs
rails railstest


edit your httpd.conf and place
ServerName domain.com
ServerAlias www.domain.com

DocumentRoot /usr/local/apache2/htdocs/railstest/public

RewriteEngine On

BalancerMember http://127.0.0.1:3000
BalancerMember http://127.0.0.1:3001
BalancerMember http://127.0.0.1:3002

# Redirect all non-static requests to thin
RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_FILENAME} !-f
RewriteRule ^/(.*)$ balancer://thinservers%{REQUEST_URI} [P,QSA,L]

ProxyPass / balancer://thinservers/
ProxyPassReverse / balancer://thinservers/
ProxyPreserveHost on

Order deny,allow
Allow from all

# Custom log file locations
ErrorLog /usr/local/apache2/htdocs/railsapp/log/error.log
CustomLog /usr/local/apache2/htdocs/railsapp/log/access.log combined