How to install rails on CentOS 5.4 x64

1. Download ruby source

wget http://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.7.tar.gz
tar -zxvf ruby-1.8.7.tar.gz


2. Install dependencies

sudo yum install gcc
sudo yum install gcc-c++
sudo yum install zlib-devel
sudo yum install openssl-devel
sudo yum install readline-devel
sudo yum install sqlite3-devel


3. Build ruby from source

cd ruby-1.8.7
./configure --with-openssl-dir=/usr/lib64/openssl
make
sudo make install


4. Download rubygems source

wget http://rubyforge.org/frs/download.php/69365/rubygems-1.3.6.tgz
tar -zxvf rubygems-1.3.6.tgz
cd rubygems-1.3.6
sudo ruby setup.rb


5. Install gems

sudo gem install rake
sudo gem install rails
sudo gem install sqlite3-ruby (optional)