Ruby installation on centos 6

Sometime the system will loses some packages for installing the ruby, here is the CentOS, the following denpendenices is nesscary .

Donwloading ruby package from http://www.ruby-lang.org/en/downloads/

[b]Step 1 install the dependenicy packages of system and ruby[/b]

#su
#yum install openssl* gcc-c++ zlib* readline* sqlite*
#cd /home/path/to/download/
#tar zxvf ruby-X.X.X.tar
#cd ruby-X.X.X
#./configure --prefix=/home/app/ruby
#make && make install

you could choose your path of installation like this "--prefix=/usr/local/ruby"

[b]Step 2 add the path of ruby running[/b]

# echo 'pathmunge /home/app/ruby/bin' > /etc/profile.d/ruby.sh

and then, type the command below or restart your system.

#source /etc/profile 

[b]Step 3 update other application of ruby[/b]

#gem update --system

#gem install rdoc-data
#gem install rails
#gem install thin
#gem install camping ramaze sinatra

A cms based on ramaze it calls zen, we install it.
Here we compile again about the rest of the ruby extension for other applications that we need to add after installation at first time.

#yum install libxml* libxslt*
#cd /ruby_installed_package_to_path/ext/etc/
#ruby extconf.rb
#make && make install
#gem install zen